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Date of Issue : Feb 1999 1. IDENTIFICATION
General Product Name : MAGNESIUM SULPHATE HEPTAHYDRATE Other Names : EPSOM SALTS; BITTER SALTS 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 : Weighting cotton and silk; increasing the bleaching action of chlorinated lime; manufacture mother-of-pearl and frosted papers; fire-proofing fabrics; dyeing and printing calicos; in fertilisers; explosives, matches; mineral water; tanning leather.
1.1 Physical Description / Properties
Appearance : Colourless crystals or powder with bitter, saline, cooling taste. Formula : Boiling Point : N/A deg C Melting Point : 150 deg C Vapour Pressure : N/A Specific Gravity : 1.68 (water = 1) Flash Point : N/A pH : N/A () Solubility in water : 1250 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
On exposure to dry air at ordinary temp. it loses about 1H2O; at 70 - 80 deg C loses 4H2O; at 100 deg C loses 5H2O; at 120 deg C loses 6H2O, rapidly reabsorbing water when exposed to moist air; loses the last mol of water at about 250 deg C. 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
Ingestion may cause diarrhoea. Oral LD50 = Not available Eye
Contamination of eyes may result in physical irritation. Skin
Non-irritant Dermal LD50 = Not available Inhaled
Inhalation of dust may result in respiratory irritation. Inhalation LC50 = Not available 2.2 Health Effects - Chronic
Not available
2.3 First Aid
Swallowed
Thoroughly rinse mouth with water. Material is poorly absorbed. Seek medical advice if symptoms persist.
Eye
Irrigate with copious quantities of water for at least 15 minutes. Seek medical assistance if effects persist.
Skin
A small amount of skin contact is not normally harmful.
Inhaled
Remove victim from exposure - avoid becoming a casualty.
First Aid Facilities
Ensure an eye bath & safety shower are available and ready for use.
2.5 Advice to Doctor
Treat symptomatically based on judgement of doctor and individual reactions of patient.
2.6 Toxicity Data
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
No value assigned for this specific material by the National Health & Medical Research Council.
3.2 Engineering Controls
Use with adequate ventilation. Avoid generating and inhaling dusts.
3.3 Personal Protection
Wear standard safety equipment - overalls and safety shoes. Wear safety glasses if eye contamination is possible.
3.4 Flammability
Non-combustible material. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Not defined as a Dangerous Good by the n Code for the Transport of Dangerous Goods by Road and Rail.
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 MAGNESIUM SULPHATE HEPTAHYDRATE Hazard
Risk Phrases
Safety Phrases
4.3 Spills and Disposal
Spills
Clean-up personnel should wear full protective clothing including breathing apparatus.
For SMALL spills - wash area down with water. For LARGE spills - sweep up, collect and seal in drums for disposal.
Disposal
Refer to relevant State Land Waste Management Authority.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Not combustible. When heated above 1100 deg C, emits TOXIC fumes of sulphur oxides. Incompatible with ethoxyethynyl alcohols.
Extinguishing Media
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. In case of fire use media appropriate to surrounding conditions. 5 OTHER INFORMATION
Other Information
Not 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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