Technical Information
| Potassium pyrosulfate | Synonym |
|---|---|
|
7778-80-5
|
CAS-No
|
|
231-915-5
|
EC-No
|
|
K2SO4
|
Linear formula
|
|
Colourless to white crystal or crystalline powder
|
Appearance
|
|
111 g/l (20ºC)
|
Solub. in H2O
|
|
5.5-7.5 (50 g/l, H2O, 20ºC)
|
pH value
|
|
174.25 g/mol
|
Molecular Weight
|
|
1069ºC
|
Melting point
|
|
1689ºC
|
Boiling point
|
|
2.66 g/cm3
|
Spec. density
|
|
800 Kg/m3
|
Bulk. Density
|
|
3104-30-00
|
HS-No
|
|
Eye irritation, Danger, H318, H319, P264, P280, P305+P351+P338, P310, P33, P313 LGK 10 - 13
|
GHS
|
|
Keep container tightly closed in a dry and well-ventilated place
|
Storage Conditions
|
|
≥99.0%
|
Assay
|
|
<1 ppm
|
Arsenic (As)
|
|
<0.006%
|
Calcium (Ca)
|
|
<0.001%
|
Iron (Fe)
|
|
<0.001%
|
Lead (Pb)
|
|
<0.003%
|
Chloride (Cl)
|
