مشخصات فنی
| 7757-79-1 | CAS-No |
|---|---|
|
231-818-8
|
EC-No
|
|
KNO3
|
Linear formula
|
|
Colourless crystal or white crystalline powder
|
Appearance
|
|
320 g/l (20ºC)
|
Solub. in H2O
|
|
4.5-8.5 (50 g/l, H2O, 20ºC)
|
pH value
|
|
101.11 g/mol
|
Molecular Weight
|
|
334ºC
|
Melting point
|
|
400ºC
|
Boiling point
|
|
|
Vapour pressure
|
|
2.11 g/cm3
|
Spec. density
|
|
800 Kg/m3
|
Bulk. Density
|
|
2834-21-00
|
HS-No
|
|
Eye irritation, Skin irritation, Oxidising solid, Warning, H315, H319, H335, H272, P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 LGK 5.1 B
|
GHS
|
|
Keep container tightly closed in a dry and well-ventilated place
|
Storage Conditions
|
|
≥99.0 – 100.5%
|
Assay (acidimetric, on dried sample)
|
|
<0.0003%
|
Arsenic (As)
|
|
<0.01%
|
Ammonium (NH4)
|
|
<0.01%
|
Calcium (Ca)
|
|
<0.002%
|
Iron (Fe)
|
|
<0.002%
|
Lead (Pb)
|
|
<0.1%
|
Sodium (Na)
|
|
<0.002%
|
Heavy metals (as Pb)
|
|
<0.003%
|
Chloride (Cl)
|
|
<0.0005%
|
Nitrate (NO3)
|
|
<0.015%
|
Sulfate (SO4)
|
|
passes test
|
Reducing substances
|
|
<0.5%
|
Loss on drying (105 ºC)
|
