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Date of Issue : Mar 1998 1. IDENTIFICATION
General Product Name : COBALT SULPHATE HEPTAHYDRATE Other Names : COBALT SULPHATE ; COBALT (II) SULPHATE COBALTOUS SULPHATE UN No. : N/A Dangerous Goods Class : None Allocated Subsidiary Risk : None Allocated Hazchem Code : N/A Pack Group : 0 EPG : N/A Poisons Schedule : N/A Uses : Ceramics, pigments, glazes, in plating baths for cobalt, additive to soils, catalyst, paint and ink drier, storage batteries.
1.1 Physical Description / Properties
Appearance : Red-brown powder/crystals. Formula : CoSO4.7H2O Boiling Point : N/A deg C Melting Point : 96 deg C Vapour Pressure : N/A Specific Gravity : 1.95 (water = 1) Flash Point : N/A pH : 3-5 (5% soln) Solubility in water : Sol. g/l (25 deg C) Flammability Limits (as percentage volume in air) Lower Explosion Limit : N/A Upper Explosion Limit : N/A 1.2 Other Properties
May not be used in food products (FDA). 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Eye
Causes eye irritation. Skin
Prolonged and/or repeated contact may cause irritation and/or dermatitis. May cause skin sensitisation, an allergic reaction, which becomes evident upon re-exposure to the material. Inhaled
Causes respiratory tract irritation. 2.2 Health Effects - Chronic
No data available
2.3 First Aid
Swallowed
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Seek medical attention.
Eye
Immediately flush eyes with plenty of water for at least 15 minutes occasionally lifting the upper and lower lids. Seek medical attention.
Skin
Seek medical attention. Flush skin thoroughly with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Inhaled
Remove victim from exposure to fresh air immediately. If NOT breathing apply artificial respiration. If breathing is difficult administer oxygen. Seek medical attention if effects persist.
First Aid Facilities
Ensure an eye bath and safety shower are available and ready for use.
2.5 Advice to Doctor
Prolonged inhalation of cobalt dust, fume or mist containing cobalt may cause serious respiratory illness. There are references in literature associating cobalt with interstitial fibrosis, a disease which can be fatal. Allergic or hypersensitive persons may develop a skin reaction or obstructive lung disease.
2.6 Toxicity Data
Oral LD50 = 582 mg/kg (Rat) Dermal LD50 = not available Inhalation LC50 = not available
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
The following exposure limit is recommended by Worksafe : Cobalt, metal dust & fume (as Co) : TWA 0.05 mg/m3 - Sensitiser.
3.2 Engineering Controls
Ensure adequate local or general exhaust ventilation to maintain airborne concentrations of dust, vapour or fumes below the standards.
3.3 Personal Protection
Exclude from exposure allergic or hypersensitive persons. If regularly exposed to dust have periodic medical exams. Avoid prolonged or repeated exposures. Wear appropriate respiratory protection for specific environment. Wear PVC gloves and boots, cotton overalls ro protect skin and clothing, safety goggles and other clothing to minimise exposure. Wash hands and face thoroughly after handling and before work breaks, eating, drinking, smoking or using toilet facilities.
3.4 Flammability
Material is non-flammable. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Transport or store in a cool, dry place away from foodstuffs and incompatible materials. No special transport or storage requirements are necessary. Keep containers tightly closed. Avoid generation and accumulation of dusts.
4.2 Packaging / Labelling UN No. N/A Class None Allocated Sub Risk None Allocated Hazchem Code N/A Pack Group 0 EPG No. N/A Shipping Name COBALT SULPHATE HEPTAHYDRATE Hazard HARMFUL
Risk Phrases R22 Harmful if swallowed. R36 Irritating to eyes. R43 May cause sensitisation by skin contact.
Safety Phrases S22 Do not breathe dust. S24/25 Avoid contact with skin and eyes.
4.3 Spills and Disposal
Spills
Clean-up personnel should wear full protective clothing including breathing apparatus. Avoid raising dust.
Vacuum or sweep up material and place into suitable containers for either reuse or disposal. In case of water contamination precipitate with CaOH lime.
Disposal
Dispose of in accordance with all Local, State and Federal regulations at an approved waste disposal facility.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Material will not burn or explode. Material is stable under normal conditions of temperature and use. Conditions to avoid include dust generation and moisture. Hazardous decomposition products include sulphur oxides. Hazardous polymerisation has not been reported.
Extinguishing Media
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. Use equipment/media appropriate to surrounding fire conditions. 5 OTHER INFORMATION
Other Information
No data available
5.1 Contact Points
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The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use.
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