Potassium Sulfate Material Safety Data Sheet
1. Identification of the substance/mixture
Product name : Potassium Sulfate
Chemical family : Inorganic compound
1.2.Relevant identified uses of the substance or mixture and advised against
Identified uses : Fertilizer for chloride sensitive crops such as : tobacco, tea, pineapple, potato, tomato, grape, guava, orange, apple, watermelon, star fruit, citrus, papaya, other fruits and vegetables, Manufacture of Potash Alum, Manufacture of Gypsum Cement, Manufacture of Glass
2. Hazard Identification
No hazardous product as specified in Directive 67/548/EEC
3. Composition / information on ingredients
Formula : K2SO4, K2O4S (Hill)
CAS No. : 7778-80-5
EC No. : 231-915-5
Molar mass : 174.26 g/mol
4. First aid measures
After inhalation : fresh air.
After skin contact : wash off with plenty of water. Remove contaminated clothing.
After eye contact : rinse out with plenty of water.
After swallowing : make victim drink water. Consult doctor if feeling unwell
5. Fire-fighting measures
Suitable Extinguishing media
use extinguishing measures that are appropriate to local circumstances and the surrounding environment.
Special hazards during fire fighting
No combustible. Ambient fire may liberate hazardous vapours.
Fire may cause evolution of : sulphur oxides.
Special protective equipment for fire fighters
in the event of fire, wear self-contained breathing apparatus.
6. Accidental release measures
Avoid substance contact. Avoid inhalation of dusts. Ensure adequate ventilation
Do not empty into drains
Methods for cleaning up
Take up dry. Forward for disposal. Clean up affected area. Avoid generation of dusts.
7. Handling and storage
No further requirement
Tightly closed. Dry
8. Exposure controls/personal protection
Required when dusts are generated.
Change contamined clothing. Wash hands after working with substance.
9. Physical and chemical properties
9.1. Information on basic physical and chemical properties
Form : solid
Colour : white
Odour : odourless
pH (20 oC) : below 7 at 50 g/l
Viscocity, dynamic : no data available
Melting point : 1,069 °C
Boiling point/boiling range : 1,689 °C at 1,013 hPa
Ignition temperature : not applicable
Flash point : not applicable
Oxidizing properties : no data available
Flammability : no data available
Lower explosion limit : not applicable
Upper explosion limit : not applicable
Vapour pressure : no data available
Relative vapour density : not applicable
Density : 2.66 g/cm3 at 20 °C
Bulk Density : ca. 1,200 kg/m3
Solubility/qualitative : no data available
Water solubility : 110 g/l at 20 °C
Partition coefficient : n- : not applicable
Evaporation rate : no data available
10. Stability and reactivity
Conditions to avoid
Materials to avoid
Increased reactivity with :
Aluminium, in powder form, heat.
Risks of explosion with :
Hazardous decomposition products
In the event of fire, see chapter 5.
11. Toxicological information
Acute oral toxicity
Dose: 6.600 mg/kg
After uptake of large quantities:
Handle in accordance with good industrial hygiene and safety practice.
12. Ecological information
Toxicity to fish
Species: Pimephales promelas (fathead minnow)
Dose: 680 mg/l
Exposure time: 96 h
Toxicity to daphnia and other aquatic invertebrates.
Species : Daphnia Magna (Water flea)
Dose: 890 mg/l
Exposure time: 48 h
Toxicity to algae
Species. Desmodesmus subspicatus (green algae)
Dose: 2,900 mg/l
Exposure time: 72 h
Partition coefficient: n-octanol/water
Additional ecological information
Do not allow to enter waters, waste water, or soil
13. Disposal considerations
Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility.
Processing, use or contamination of this product may change the waste management options.
14. Transport information
No classified as dangerous in the meaning of transport regulations.
15. Regulatory information
Not dangerous substance according to GHS
Labelling according to EC Directives
The product does not need to be labeled in accordance with EC directives or respective national laws.
16. Other information
The information accumulated here in is believed to be accurate but is not warranted to be whether originating with the company or not.
Health and safety data sheet should be used only as a guide to the safe handling of the product, and is not intended as a technical specification.