Potassium nitrite
CAS Number7758-09-0
FormulaKNO2
Mol. Weight85.10 g/mol
Potassium nitrite
What is Potassium nitrite?
Potassium nitrite is a chemical compound with CAS number 7758-09-0 and molecular formula KNO2. It is used in various industrial and research applications.
Specifications
Molecular Weight
85.10 g/mol
Grade
ACS reagent
Assay/Purity
97-100.5%
Impurities
≤0.001% heavy metals (as Pb)
Solubility
water: soluble0.35 part
alcohol: slightly soluble
Safety Information
GHS03
GHS06
GHS09Signal Word
Danger
Hazard Statements
H272-H301-H400
Precautionary Statements
P220-P273-P301 + P310
Required PPE
dust mask type N95 (US), Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges
Melting Point
350 °C (dec.)(lit.)
Anion Traces
chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤200 mg/kg
Cation Traces
As: ≤1 mg/kg
Fe: ≤10 mg/kg
Pb: ≤4 mg/kg
EC Number
231-832-4
WGK Germany
3