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Potassium Sulfate

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Potassium Sulfate Material Safety Data Sheet

 


1. Identification of the substance/mixture


Product identifier
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


Personal precautions
Avoid substance contact. Avoid inhalation of dusts. Ensure adequate ventilation

 

Environmental precautions
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

 

Handling
No further requirement

 

Storage
Tightly closed. Dry

        


8. Exposure controls/personal protection

 

Respiratory protection
Required when dusts are generated.
          
Eye protection    
Safety glasses    

 

Hygiene measures
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
Octanol/water                   
Evaporation rate : no data available
       


       

10. Stability and reactivity


Conditions to avoid
Strong heating

 

Materials to avoid
 

Increased reactivity with :
Aluminium, in powder form, heat.
Magnesium, heat

 

Risks of explosion with :
Sodium, acetylidene

Hazardous decomposition products
In the event of fire, see chapter 5.

 

 

11. Toxicological information

 

Acute oral toxicity
LD50 rat
Dose: 6.600 mg/kg
(RTECS)

Further information
After uptake of large quantities:
Symptoms in:
Gastrointestinal tract

Handle in accordance with good industrial hygiene and safety practice.

 

 

12. Ecological information

 

Ecotoxicity
Toxicity to fish
LC50
Species: Pimephales promelas (fathead minnow)
Dose: 680 mg/l
Exposure time: 96 h
(ECOTOX database)

Toxicity to daphnia and other aquatic invertebrates.
EC50
Species : Daphnia Magna (Water flea)
Dose: 890 mg/l
Exposure time: 48 h
(IUCLID)

Toxicity to algae
IC50
Species. Desmodesmus subspicatus (green algae)
Dose: 2,900 mg/l
Exposure time: 72 h
(IUCLID)

Partition coefficient: n-octanol/water
Not applicable

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

 

GHS-Labelling
Not dangerous substance according to GHS

CAS-No.7778-80-5

Labelling according to EC Directives
The product does not need to be labeled in accordance with EC directives or respective national laws.
EC-No.231-915-5
       

 

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.