Cobalt(II) sulfate heptahydrate

ANALYTYKA Fine Chemicals and Pharmaceutical Raw Materials

  Cobalt(II) sulfate heptahydrate

1. Product Identification

Synonyms: Cobalt sulfate heptahydrate; Cobalt(II) sulfate (1:1) heptahydrate
CAS No.: 10026-24-1
Molecular Weight: 281.0846
Chemical Formula: CoSO4.7H2O
Product Codes: C0230, C0231

2. Composition/Information on Ingredients

CAS# Chemical Name Percent EINECS/ELINCS
10026-24-1 Cobalt sulfate heptahydrate 100 unlisted


3. Hazards Identification


Appearance: red-pink solid.
Warning! Causes respiratory tract irritation. Causes eye and skin irritation. May be harmful if swallowed. May cause cancer based on animal studies. Potential cancer hazard.
Target Organs: No data found.

Potential Health Effects
Eye: Causes eye irritation.
Skin: Prolonged and/or repeated contact may cause irritation and/or dermatitis. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.
Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed.
Inhalation: Causes respiratory tract irritation.
Chronic: Cobalt compounds may cause cancer based upon animal studies.

4. First Aid Measures

Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion: Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Do NOT use mouth-to-mouth resuscitation.
Notes to Physician: Treat symptomatically and supportively.

5. Fire Fighting Measures

General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Extinguishing Media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire.
Flash Point: Not applicable.
Autoignition Temperature: Not applicable.
Explosion Limits, Lower:Not available.
Upper: Not available.
NFPA Rating: (estimated) Health: 2; Flammability: 0; Instability: 0

6. Accidental Release Measures

General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation.

7. Handling and Storage

Handling: Wash thoroughly after handling. Use only in a well-ventilated area. Minimize dust generation and accumulation. Avoid contact with skin and eyes. Keep container tightly closed. Avoid ingestion and inhalation.
Storage: Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.

8. Exposure Controls, Personal Protection

Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits
Chemical Name ACGIH NIOSH OSHA - Final PELs
Cobalt sulfate heptahydrate

0.02 mg/m3 TWA (as Co) (listed under Cobalt, inorganic compounds).

none listed none listed
Cobalt sulfate anhydrous none listed none listed none listed

OSHA Vacated PELs: Cobalt sulfate heptahydrate: No OSHA Vacated PELs are listed for this chemical. Cobalt sulfate anhydrous: No OSHA Vacated PELs are listed for this chemical.
Personal Protective Equipment
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin: Wear appropriate protective gloves to prevent skin exposure.
Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

9. Physical and Chemical Properties

Physical State: Solid
Appearance: red-pink
Odor: none reported
pH: Not available.
Vapor Pressure: Not available.
Vapor Density: Not available.
Evaporation Rate:Not available.
Viscosity: Not available.
Boiling Point: 420 deg C
Freezing/Melting Point:96.7 deg C
Decomposition Temperature:420 deg C
Solubility: 60.4% (3 C)
Specific Gravity/Density: 1.948 @ 25C
Molecular Formula:CoSO4.7H2O
Molecular Weight:281.0846

10. Stability and Reactivity

Chemical Stability: Stable.
Conditions to Avoid: Dust generation, moisture.
Incompatibilities with Other Materials: None reported. .
Hazardous Decomposition Products: Oxides of sulfur.
Hazardous Polymerization: Has not been reported.

11. Toxicological Information

CAS# 10026-24-1: GG3200000      
CAS# 10124-43-3: GG3100000
CAS# 10026-24-1:
     Oral, rat: LD50 = 582 mg/kg;

CAS# 10124-43-3:
     Oral, mouse: LD50 = 584 mg/kg;
     Oral, rat: LD50 = 424 mg/kg;
     Oral, rat: LD50 = 424 mg/kg;

CAS# 10026-24-1: CAS# 10124-43-3:
Epidemiology: IARC Group 2B: Proven animal carcinogenic substance of potential relevance to humans.IARC Group 2B: No data available on human carcinogenicity, however sufficient evidence of carcinogenicity in animals.
Teratogenicity: No information found
Reproductive Effects: No information found
Mutagenicity: No information found
Neurotoxicity: No information found
Other Studies:

12. Ecological Information

Ecotoxicity: No data available. No information available.
Environmental: No information found.
Physical: No information found.
Other: No information available.

13. Disposal Considerations

Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.

14. Transport Information

  US DOT Canada TDG
Shipping Name: Not regulated as a hazardous material No information available.
Hazard Class:    
UN Number:    
Packing Group:    


15. Regulatory Information


     CAS# 10026-24-1 is not on the TSCA Inventory because it is a hydrate. It is considered to be listed if the CAS number for the anhydrous form is on the inventory (40CFR720.3(u)(2)).
     CAS# 10124-43-3 is listed on the TSCA inventory.
Health & Safety Reporting List
     None of the chemicals are on the Health & Safety Reporting List.
Chemical Test Rules
     None of the chemicals in this product are under a Chemical Test Rule.
Section 12b
     None of the chemicals are listed under TSCA Section 12b.
TSCA Significant New Use Rule
     None of the chemicals in this material have a SNUR under TSCA.
CERCLA Hazardous Substances and corresponding RQs
     None of the chemicals in this material have an RQ.
SARA Section 302 Extremely Hazardous Substances
     None of the chemicals in this product have a TPQ.
SARA Codes
     CAS # 10026-24-1: immediate, delayed.
Section 313
     This material contains Cobalt sulfate heptahydrate (listed as Cobalt, inorganic compounds), 100%, (CAS# 10026-24-1) which is subject to the reporting requirements of Section 313 of SARA Title III and 40 CFR Part 373.
Clean Air Act:
     CAS# 10026-24-1 (listed as Cobalt compounds) is listed as a hazardous      air pollutant (HAP).

     This material does not contain any Class 1 Ozone depletors.
     This material does not contain any Class 2 Ozone depletors.
Clean Water Act:
     None of the chemicals in this product are listed as Hazardous Substances under the CWA.
     None of the chemicals in this product are listed as Priority Pollutants under the CWA.
     None of the chemicals in this product are listed as Toxic Pollutants under the CWA.
     None of the chemicals in this product are considered highly hazardous by OSHA.
     CAS# 10026-24-1 can be found on the following state right to know lists: New Jersey, (listed as Cobalt compounds), Pennsylvania, (listed as Cobalt compounds), Minnesota, (listed as Cobalt, inorganic compounds).
     CAS# 10124-43-3 is not present on state lists from CA, PA, MN, MA, FL, or NJ.

California Prop 65
The following statement(s) is(are) made in order to comply with the California Safe Drinking Water Act:
WARNING: This product contains Cobalt sulfate heptahydrate, a chemical known to the state of California to cause cancer. WARNING: This product contains Cobalt sulfate anhydrous, a chemical known to the state of California to cause cancer.
California No Significant Risk Level: None of the chemicals in this product are listed.

European/International Regulations

European Labeling in Accordance with EC Directives
Hazard Symbols:
     T N
Risk Phrases:

     R 22 Harmful if swallowed.
     R 42/43 May cause sensitization by inhalation and skin contact.
     R 49 May cause cancer by inhalation.
     R 50/53 Very toxic to aquatic organisms, may cause long-term
     adverse effects in the aquatic environment.

Safety Phrases:

     S 22 Do not breathe dust.
     S 45 In case of accident or if you feel unwell, seek medical advice
     immediately (show the label where possible).
     S 53 Avoid exposure - obtain special instructions before use.
     S 60 This material and its container must be disposed of as hazardou
     s waste.
     S 61 Avoid release to the environment. Refer to special instructions
     /safety data sheets.

WGK (Water Danger/Protection)

     CAS# 10026-24-1: No information available.
     CAS# 10124-43-3: 2
Canada - DSL/NDSL
     CAS# 10124-43-3 is listed on Canada's DSL List.
Canada - WHMIS
     This product has a WHMIS classification of D2B.
This product has been classified in accordance with the hazard criteria of the Controlled Products Regulations and the MSDS contains all of the information required by those regulations.
Canadian Ingredient Disclosure List
     CAS# 10026-24-1 is not listed on the Canadian Ingredient Disclosure List.
     CAS# 10124-43-3 is listed on the Canadian Ingredient Disclosure List.

16. Other Information

Product Use:
Laboratory Reagent.
Revision Information:
Jan. 2008.
ANALYTYKA provides the information contained herein in good faith but makes no representation as to its comprehensiveness or accuracy. This document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose. ANALYTYKA MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS. ACCORDINGLY, ANALYTYKA WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE UPON THIS INFORMATION.