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Date of Issue : Sep 1998 1. IDENTIFICATION
General Product Name : POTASSIUM SULPHATE Other Names : POTASSIUM SULPHATE SULPHURIC ACID, DIPOTASSIUM SALT; SULPHATE OF POTASH 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 : Reagent in analytical chemistry, medicine (cathartic), gypsum cements, fertilizer for chloride sensitive crops such as citrus and tobacco, alum manufacture, glass manufacture, food additive.
1.1 Physical Description / Properties
Appearance : Colourless to white Odourless Crystals or Powder Bitter Taste Formula : K2SO4 Boiling Point : 1689 deg C Melting Point : 1074 deg C Vapour Pressure : N/A Specific Gravity : 2.66 (water = 1) Flash Point : N/A pH : N/A () Solubility in water : 120 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
Solubility : insoluble in alcohol Molecular weight : 174.26 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
Ingestion of large amounts may cause gastrointestinal irritation. Eye
May cause eye irritation. Skin
May cause skin irritation. Inhaled
May cause respiratory tract irritation. 2.2 Health Effects - Chronic
No significant health effects could be found
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. Get medical aid.
Eye
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical attention.
Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Inhaled
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
First Aid Facilities
Ensure an eye bath & safety shower are available and ready for use.
2.5 Advice to Doctor
Treat symtomatically based on judgement of a doctor and individual reations of patient.
2.6 Toxicity Data
Acute oral toxicity : LD50 6600 mg/kg (rat)
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
An exposure standards has not been allocated for this product. However, we recommend the following for nuisance particulate: TLV:TWA:10 mg/m3: total dust or 5mg/m3: respirable dust.
3.2 Engineering Controls
Use adequate ventillation to keep airborne concentrations low.
3.3 Personal Protection
All personnel should wear full protective clothing, safety glasses and approved breathing apparatus.
3.4 Flammability
Material is non-flammable SAFE HANDLING INFORMATION
4.1 Storage / Transport
Store in a cool, dry place. Store in a tightly closed container. Wash thoroughly after handling. Use with adequate ventilation. Avoid breathing dust, vapour, mist, or gas. Avoid contact with skin and eyes.
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 POTASSIUM SULPHATE Hazard
Risk Phrases
Safety Phrases 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. Vacuum or sweep up material and place into a suitable disposal container.
Disposal
Dispose of in manner consistent with federal, state and local regulations.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Chemical stability : stable under normal temperature and pressures. Conditions to avoid : Incompatible materials Incompatibilities with other materials : strong oxidizing agents, aluminum. Hazardous decomposition products : oxides of sulphur, oxides of potassium. Hazardous polymerization : will not occur.
Extinguishing Media
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. Substance is noncombustible. In case of fire use water, Foam, CO2. 5 OTHER INFORMATION
Other Information
This chemical has no biological oxygen demand, and it will not cause oxygen depletion in aquatic systems. It has a low potential to affected aquatic systems If diluted with water, this chemical released directly or indirectly into the environment is not expected to have a signficant impact.
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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