Cobalt Chloride Hexahydrate with Analytical Reagent and Factory Supply CAS No.: 7791-13-1
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Product Highlights
- Customizable Specifications: Concentration, purity, and impurity content can be tailored to specific needs.
- Flexible Packaging: Supports vials, bags, drums, and IBC containers with custom labels and designs.
- Comprehensive Certifications: Complies with SEMI, GB, FDA, EU 1935/2004, ISO 9001, ISO 14001, and UN standards.
- Third-Party Testing: Provides SGS, Intertek reports, TDS, and SDS for every batch to ensure quality.
- Fast Delivery: In-stock standard products ship within 3-5 days; custom orders in 7-15 days.
- Global Export Capability: Legally exports to over 30 countries including Europe, Americas, and Southeast Asia.
- Free Sample Availability: Standard specification samples available free of charge with negotiable shipping.
Product Attributes
- Customization
- Available
- CAS No.
- 7791-13-1
- Formula
- Cl2coh2o
- Model NO.
- 7791-13-1
- EINECS
- 616-574-6
- Classification
- Organic Analytical Reagents
- Grade
- AR
- Specific Usage
- Pro Analysis, For Synthesis
- Content
- Standard
- Usage
- Laboratory Reagents, Analytical Reagents, Diagnostic Reagents
- Application
- Scientific Research
- Property
- Organic Reagent
- Transport Package
- Un 3260 8/Pg 2
- Specification
- 100g/bottle
- Trademark
- YUHAN
- Origin
- China
- HS Code
- 28273400
- Production Capacity
- 500 Mt/Year
Product Images of Cobalt Chloride Hexahydrate with Analytical Reagent and Factory Supply CAS No.: 7791-13-1
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Cobalt Chloride Hexahydrate with Analytical Reagent and Factory Supply CAS No.: 7791-13-1 -
Cobalt Chloride Hexahydrate with Analytical Reagent and Factory Supply CAS No.: 7791-13-1 -
Cobalt Chloride Hexahydrate with Analytical Reagent and Factory Supply CAS No.: 7791-13-1 -
Cobalt Chloride Hexahydrate with Analytical Reagent and Factory Supply CAS No.: 7791-13-1 -
Cobalt Chloride Hexahydrate with Analytical Reagent and Factory Supply CAS No.: 7791-13-1 -
Cobalt Chloride Hexahydrate with Analytical Reagent and Factory Supply CAS No.: 7791-13-1 -
Cobalt Chloride Hexahydrate with Analytical Reagent and Factory Supply CAS No.: 7791-13-1
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Product Description
Product Description
Specification
Properties
Safety Information
Melting point 86 °C
Boiling point 1049 °C
Bulk density 1250 kg/m³
Density 3.35
Vapor pressure 40 mm Hg (0 °C)
Storage conditions Store at +5 °C to +30 °C.
Solubility 191 g/l
Form Solid
Color Red-purple
Specific gravity 1.924
Odor: Odorless at 100.00%
pH: 4.9 (50 g/L, H2O, 25 °C)
Water solubility: Soluble in water, ether, acetone, and alcohol.
Sensitivity: Hygroscopic
Merck: 14,2437
Exposure limits: ACGIH: TWA 0.02 mg/m³
Stability: Hygroscopic
InChI: 1S/2ClH.Co.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2
InChI Key: GFHNAMRJFCEERV-UHFFFAOYSA-L
SMILES: O.O.O.O.O.O.Cl[Co]Cl
LogP -1.380 (est)
CAS Database 7791-13-1 (CAS DataBase Reference)
EPA Chemical Information Cobalt chloride (CoCl2), hexahydrate (7791-13-1)
Boiling point 1049 °C
Bulk density 1250 kg/m³
Density 3.35
Vapor pressure 40 mm Hg (0 °C)
Storage conditions Store at +5 °C to +30 °C.
Solubility 191 g/l
Form Solid
Color Red-purple
Specific gravity 1.924
Odor: Odorless at 100.00%
pH: 4.9 (50 g/L, H2O, 25 °C)
Water solubility: Soluble in water, ether, acetone, and alcohol.
Sensitivity: Hygroscopic
Merck: 14,2437
Exposure limits: ACGIH: TWA 0.02 mg/m³
Stability: Hygroscopic
InChI: 1S/2ClH.Co.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2
InChI Key: GFHNAMRJFCEERV-UHFFFAOYSA-L
SMILES: O.O.O.O.O.O.Cl[Co]Cl
LogP -1.380 (est)
CAS Database 7791-13-1 (CAS DataBase Reference)
EPA Chemical Information Cobalt chloride (CoCl2), hexahydrate (7791-13-1)
Hazard Symbols (GHS)
GHS07, GHS08, GHS09
Signal Word: Danger
Hazard Statements: H302–H317–H334–H341–H350i–H360FD–H410
Precautionary Statements P202-P273-P280-P301+P312-P302+P352-P308+P313
Hazard Symbols T, N
Hazard Class Codes 49-22-42/43-50/53-68-60
Safety Notes 53-22-45-60-61
UN Number 3260 8/PG 2
WGK Germany 2
RTECS Number GG0200000
TSCA Yes
Hazard Level 9
Packaging Group III
HS Code 28273400
Storage Class 6.1C - Combustible, Acute Toxic, Cat. 3
Toxic compounds or compounds causing chronic effects
Hazard Categories: Acute Tox. 4 (Oral)
Aquatic Acute 1
Aquatic Chronic 1
Carc. 1B (Inhalation)
Eye Dam. 1
Muta. 2
Repr. 1B
Resp. Sens. 1
Skin Sens. 1
Toxicity LD50 orally in rats: 766 mg/kg (Speijers)
Limited Quantities 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
Excepted Quantities Max Inner Pack (30 g or 30 ml) and Max Outer Pack (1 kg or 1 L)
GHS07, GHS08, GHS09
Signal Word: Danger
Hazard Statements: H302–H317–H334–H341–H350i–H360FD–H410
Precautionary Statements P202-P273-P280-P301+P312-P302+P352-P308+P313
Hazard Symbols T, N
Hazard Class Codes 49-22-42/43-50/53-68-60
Safety Notes 53-22-45-60-61
UN Number 3260 8/PG 2
WGK Germany 2
RTECS Number GG0200000
TSCA Yes
Hazard Level 9
Packaging Group III
HS Code 28273400
Storage Class 6.1C - Combustible, Acute Toxic, Cat. 3
Toxic compounds or compounds causing chronic effects
Hazard Categories: Acute Tox. 4 (Oral)
Aquatic Acute 1
Aquatic Chronic 1
Carc. 1B (Inhalation)
Eye Dam. 1
Muta. 2
Repr. 1B
Resp. Sens. 1
Skin Sens. 1
Toxicity LD50 orally in rats: 766 mg/kg (Speijers)
Limited Quantities 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
Excepted Quantities Max Inner Pack (30 g or 30 ml) and Max Outer Pack (1 kg or 1 L)
Product Description: Cobalt chloride hexahydrate
Fine Chemical for Laboratory Use
Basic Properties
Cobalt chloride hexahydrate (CAS 7791-13-1) is a classic functional inorganic salt whose core value lies in its unique "humidity-sensitive color-changing" property: it turns blue when heated and loses its crystalline water, and reverts to a purplish-red color upon absorbing moisture. Based on this, its primary applications in the fine chemicals industry focus on the following areas:
Smart Humidity Indication: Acting as the "smart eye" of silica gel desiccants, it utilizes its characteristic of turning blue when dry and red when damp to visually indicate whether the desiccant has lost its effectiveness.
High-End Material Coloring: Used for coloring high-grade ceramics, neutral dyes, and specialty paints, imparting a stable blue-violet hue to products.
Specialty Catalytic Synthesis: It serves as a highly efficient catalyst in the Grignard reaction or as a key catalyst or medical reagent in medical and chemical synthesis, facilitating the synthesis of specialty organic compounds.
Functional Materials: It is used to manufacture barometers and hydrometers for precise measurement of environmental parameters, or to produce "heat-sensitive ink" and temperature indicators that change color when heated.
Smart Humidity Indication: Acting as the "smart eye" of silica gel desiccants, it utilizes its characteristic of turning blue when dry and red when damp to visually indicate whether the desiccant has lost its effectiveness.
High-End Material Coloring: Used for coloring high-grade ceramics, neutral dyes, and specialty paints, imparting a stable blue-violet hue to products.
Specialty Catalytic Synthesis: It serves as a highly efficient catalyst in the Grignard reaction or as a key catalyst or medical reagent in medical and chemical synthesis, facilitating the synthesis of specialty organic compounds.
Functional Materials: It is used to manufacture barometers and hydrometers for precise measurement of environmental parameters, or to produce "heat-sensitive ink" and temperature indicators that change color when heated.
Packaging & Shipping
How We Deliver
We offer flexible payment options including T/T, L/C, Western Union, with global shipping via UPS, TNT, FedEx, or EMS. Complimentary samples are available upon request to support your evaluation. Prior to shipment, we coordinate closely with our partner factories to ensure proper packaging and labeling.
Logistics Details
COA (batch-specific) – provided after order confirmation
MSDS – shipped together with goods (reference template available on request)
Packing list, commercial invoice, dangerous goods declaration
UN packaging certificate & classification report (for bulk dangerous goods)
Damage Protection
If the product is damaged during transit, please contact us within 7 days with photos of the outer packaging. We will arrange a free replacement for the damaged items.
Tracking
All shipments include a tracking number. You will receive tracking information by email once the parcel is dispatched.
MSDS – shipped together with goods (reference template available on request)
Packing list, commercial invoice, dangerous goods declaration
UN packaging certificate & classification report (for bulk dangerous goods)
Damage Protection
If the product is damaged during transit, please contact us within 7 days with photos of the outer packaging. We will arrange a free replacement for the damaged items.
Tracking
All shipments include a tracking number. You will receive tracking information by email once the parcel is dispatched.
Company Profile
Chongqing Yuhan Technology Co., Ltd. | YUHAN TECH
Chongqing Yuhan Technology is a professional trader of high-purity chemical reagents, serving industries including scientific research, new energy, medicals, chemicals, and materials. We have established long-term strategic partnerships with multiple qualified manufacturers across China, building a reliable supply system covering high-purity reagents, electronic-grade chemicals, and battery additives.
Supported by a dedicated quality control team and access to third-party testing resources, we rigorously verify each batch from source to delivery, ensuring purity, consistency, and traceability. A detailed Certificate of Analysis (COA) is available upon request. While we do not manufacture, we hold products to even stricter standards than many producers.
Guided by the principle "Purity for Progress, Trust for Partnership," Yuhan Technology is committed to delivering cost-effective products, stable supply, and flexible procurement services — your reliable long-term partner.
Certifications
FAQ
I. Minimum Order Quantity (MOQ)
Q1: What is the MOQ for dangerous goods?
A: For regular hazardous chemicals, the minimum order quantity (MOQ) for a full shipment is 25 kg. For sample purposes, we can supply 500 g/bottle or within 1 kg. Samples are intended only for testing and evaluation, not for commercial bulk supply.
Q2: Will sending a small sample make us lose money? Can I combine it with other products?
A: Hazardous goods require separate documentation, customs clearance, inspection, and transport filing, which makes the cost of a single small sample relatively high. However, you may combine several non0-conflicting chemical products in the same container. By consolidating, you can share the documentation and logistics costs – a more cost-effective solution.
Q3: If I cannot reach a full container load, can I send the goods by courier?
A: Yes. Small quantities of dangerous goods can be shipped via dangerous goods courier / air limited quantity (LTD QTY) service. You do not need to fill a whole container; shipping cost is calculated based on actual weight.
II. Product Classification
Q4: Are your products organic or inorganic?
A: Our main products include lithium hydroxide, lithium carbonate, and anhydrous sodium sulfate – all of which are inorganic chemicals.
Q5: Which products are dangerous goods and which are non-hazardous (general cargo)?
A: Lithium hydroxide is classified as a Class 8 corrosive hazardous substance (UN 2680, PG II). Lithium carbonate and anhydrous sodium sulfate are general chemical cargo – they have no UN number and do not require dangerous goods transport procedures.
III. Packing Specifications
Q6: What are your standard packing sizes?
A: For reagent grade: 500 g/bottle, 20 bottles/outer carton. For industrial grade: 25 kg/bag or 25 kg/drum. Customized packing is available upon request.
Q7: How are hazardous samples packed?
A: Inner bottle sealed and wrapped with stretch film, surrounded by bubble wrap for shock absorption, each bottle isolated. Outer packaging is a reinforced carton – moisture-proof, leak-proof and break-proof, compliant with international limited quantity transport standards.
Q8: Can the outer carton dimensions be customized?
A: Yes. We can customize carton sizes and loading arrangements according to your bottle quantity (e.g., 500 g bottles) and container palletizing requirements.
IV. Shipping & Sample Export
Q9: Can you send dangerous goods samples abroad?
A: Yes. Small samples up to 500 g/bottle or within 1 kg can be shipped via international dangerous goods LTD QTY (Limited Quantity) channel, compliant for the US and many other countries.
Q10: What documents and tests are required for sending a dangerous goods sample?
A: You will need: an English SDS, a hazardous classification report, and an air transport condition certificate. For samples within 1 kg (limited quantity), a dangerous goods packaging certificate is exempted – you do not need the full dangerous goods documentation required for bulk shipments.
Q11: Can dangerous goods and non-hazardous goods be shipped together in the same carton?
A: Yes, except for incompatible items such as acids with alkalis or strong oxidisers. Regular lithium salts and inorganic salts can be safely mixed in the same container.
Q12: Can ordinary courier services accept dangerous goods?
A: No. Dangerous goods must be shipped via officially certified dangerous goods logistics / courier services. Ordinary couriers cannot accept corrosive dangerous goods.
A: Yes. Small samples up to 500 g/bottle or within 1 kg can be shipped via international dangerous goods LTD QTY (Limited Quantity) channel, compliant for the US and many other countries.
Q10: What documents and tests are required for sending a dangerous goods sample?
A: You will need: an English SDS, a hazardous classification report, and an air transport condition certificate. For samples within 1 kg (limited quantity), a dangerous goods packaging certificate is exempted – you do not need the full dangerous goods documentation required for bulk shipments.
Q11: Can dangerous goods and non-hazardous goods be shipped together in the same carton?
A: Yes, except for incompatible items such as acids with alkalis or strong oxidisers. Regular lithium salts and inorganic salts can be safely mixed in the same container.
Q12: Can ordinary courier services accept dangerous goods?
A: No. Dangerous goods must be shipped via officially certified dangerous goods logistics / courier services. Ordinary couriers cannot accept corrosive dangerous goods.
V. Export Customs & Inspection
Q13: Is a compulsory inspection (Chinese statutory inspection) required for exporting dangerous goods?
A: For formal bulk export, inspection is required according to regulations. For small sample quantities, we can declare them as samples, which simplifies the inspection process.
Q14: Do we provide the HS code, or do we make it up ourselves?
A: HS codes are legally set by customs authorities and cannot be arbitrarily created. We will provide the correct, compliant HS code for each product to be used directly for customs declaration.
VI. Product Related
Q15: Where can I find the product technical specifications?
A: Basic technical parameters such as purity, appearance and pH are clearly listed on our product detail page – please refer to it directly.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI259226". Items marked "
" are certified.
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Company Profile
Chongqing Yuhan Technology Co., Ltd. Was established in 2017, with a mission to connect high-quality chemical raw materials with global markets. Over the years, we have grown from a local supplier into a leading player in the international trade of chemical raw materials and reagents, serving industries such as electric power, metallurgy, agriculture, pharmaceuticals, textiles, plastics, and research institutions, with clients around the world.
Our business scope covers a wide range of chemical products, including but not limited to high-purity acid, perovskite materials, and various hazardous chemicals. We specialize in bulk chemicals and high-performance materials, offering customized solutions to meet the unique needs of our clients.
As a chemical trading company with comprehensive dangerous chemical operation qualifications, we offer:
Diverse product lines: We can supply various dangerous chemicals to meet different customer needs and offer one-stop procurement services.
Strong market competitiveness: We are more competitive in the market, attract more customers, and build long-term stable cooperative relationships.
Good industry reputation: Our comprehensive qualifications reflect the company's professionalism and standardization, earning us a good reputation in the industry.
Strong risk control capability: We have professional management teams and risk control systems to effectively deal with safety, environmental, and other risks in the operation of dangerous chemicals.
High partner trust: We more easily gain the trust of suppliers and partners, securing better procurement prices and cooperation terms.
Looking forward to the future, Chongqing Yuhan Technology plans to keep improving our service to offer clients more professional and efficient solutions. We're committed to strengthening ties with existing clients and seeking new partners for long-term and stable relationships. We hope to expand our international market presence and cooperate with more global partners. Our goal is to become businesses' preferred partner for reliable, high-quality chemical raw materials and reagents in the next decade.
About Our Factory & Business Background
- Address
- B9-2, Liangfeng Community, Changshengqiao Town, Nanan District, Chongqing, China
- Terms of Payment
- PayPal, LC, T/T, D/P
- International Commercial Terms(Incoterms)
- FOB, EXW, CIF
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- chongqing
Our Production Capability & Technical Expertise
- Main Products
- Sulfuric Acid, Sodium Sulfate
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
Our Industry Experience & Global Business Record
- Export Year
- 2018-06-06
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- 1. What are the core specifications of the chemical products your company supplies? Are they customizable?
- All our products comply with international export standards (such as SEMI, GB, FDA, and EU 1935/2004), and we offer a complete range of standard specifications. We can customize key parameters such as product concentration, purity, and impurity content based on customers' specific needs to meet the requirements of various application scenarios.
- 2. How is product quality ensured? Do you provide relevant test reports?
- We operate standardized production facilities with meticulous control throughout the entire process. Every batch undergoes rigorous testing before shipment. We can provide third-party test reports (e.g., SGS, Intertek), TDS (Technical Data Sheets), and SDS (Safety Data Sheets) to ensure product quality meets standards and complies with export regulations.
- 3. Are product samples available? What are the sample fees and shipping methods?
- Free samples are available (standard specifications, limited quantities). Shipping costs for samples are negotiable. Shipping methods are selected based on product characteristics (standard courier or air freight). Hazardous chemical samples will be packaged strictly in accordance with international transport regulations to ensure safety and compliance, with delivery times adjusted based on the destination.
- 4. What packaging specifications are available for the products? Do they meet export standards?
- We offer a comprehensive range of packaging specifications. For reagent-grade and electronic-grade products, the smallest units are milliliter (mL) or milligram (mg) bottles or pouches. Industrial-grade options include 25kg/50kg paper-plastic composite bags (with PE lining), 1,000L IBC containers, and 20-ton tanks; All packaging complies with international hazardous materials transport standards (UN-certified), featuring moisture-proof, leak-proof, and crush-resistant properties.
- 5. Can packaging specifications and label designs be customized according to customer requirements?
- We can flexibly customize various packaging specifications and labels based on the customer's actual usage volume, application scenarios, and export standards. We support customization of packaging materials, dimensions, and printed content (such as 'Made in China,' product specifications, hazardous chemical symbols, and customer logos), fully meeting the needs of different purchase volumes, storage and transportation, and foreign trade customs clearance requirements.
- 6. How does the packaging of hazardous chemicals ensure transportation safety?
- All hazardous chemical packaging features a double-layer protective structure (e.g., outer paper-plastic composite bag + PE inner liner) and is designed in strict accordance with UN hazardous materials transport requirements. It is labeled with standard GHS pictograms, UN transport symbols, and storage/handling instructions (Handle with Care, Keep Dry, This Side Up, etc.).
- 7. What is the minimum order quantity (MOQ) for products? Are there discounts for bulk purchases?
- The MOQ for standard products is flexible; we accept both small-batch samples and large-volume orders. Bulk purchases (reaching agreed-upon volumes) qualify for tiered discounts, with specific terms determined through negotiation based on product category and purchase volume.
- 8. What are the pricing terms? What payment methods are available?
- Quotations are primarily based on standard international trade terms such as FOB and CIF, with specific prices calculated based on product specifications, purchase volume, and destination. Accepted payment methods include T/T (wire transfer) and L/C (letter of credit), among others. These terms may be adjusted through mutual agreement based on the nature of the partnership to safeguard the interests of both parties.
- 9. What is the delivery lead time?
- For standard-specification products, in-stock orders are shipped within 3-5 business days. For custom-specification products, delivery times are calculated based on the production cycle (7-15 business days) and logistics transit times; specific delivery dates can be negotiated to ensure on-time delivery.
- 10. Does your company possess the necessary qualifications for exporting chemical products? To which countries and regions can you export?
- Our company (Chongqing Yuhan Technology Co., Ltd.) holds a full set of qualifications for exporting hazardous chemicals. We are certified under ISO 9001, ISO 14001, and UN standards, and can legally export to over 30 countries and regions, including Southeast Asia, the Middle East, Europe, and the Americas. We handle all customs clearance and inspection procedures throughout the process.
- 11. How are logistics methods selected? How are freight charges calculated?
- Depending on product characteristics (general chemicals/hazardous chemicals), destination, and customer requirements, we select logistics methods such as sea freight, air freight, or international express. Freight charges are calculated based on cargo weight, volume, destination, and logistics method. We provide end-to-end logistics tracking services to ensure safe delivery of goods.
- 12. Does your company provide the documents required for export customs clearance?
- Yes, we will assist customers throughout the entire export customs clearance process and provide the full set of required documents (such as commercial invoices, packing lists, customs declarations, SDS, TDS, hazardous chemical transport certificates, etc.) to ensure a smooth and compliant clearance process.
- 13. How are quality issues handled after receiving the products?
- If a customer discovers that the product quality does not meet the agreed-upon standards after receiving the goods, they must provide relevant evidence (such as test reports or photos of the goods) within 7 business days of receipt. We will verify the issue immediately and provide solutions such as returns, exchanges, or compensation based on the actual situation to protect the customer's rights and interests.
- 14. How can I inquire about product details and cooperation opportunities?
- You may contact us via our official website, email, or phone. Our professional customer service team will respond promptly to provide one-on-one assistance with product details, quotations, and customized solutions, facilitating efficient collaboration between both parties.
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