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A6619712

Potassium nitrite , ACS , 7758-09-0

Synonym(s):
Potassium nitrite

CAS NO.:7758-09-0

Empirical Formula: KNO2

Molecular Weight: 85.1038

MDL number: MFCD00011408

EINECS: 231-832-4

Update time: 2022-07-08

PRODUCT Properties

Melting point: 350 °C (dec.)(lit.)
Boiling point: explodes at 537℃ [HAW93]
Density  1,92 g/cm3
vapor density  2.9 (vs air)
storage temp.  Store at +5°C to +30°C.
solubility  water: soluble0.35 part
form  Solid
Specific Gravity 1.915
color  White to slightly yellow
PH 7-10 (50g/l, H2O, 20℃)
Odor Odorless
PH Range 7 - 10
Water Solubility  Soluble in water, hot alcohol, liquid NH{3}Soluble in water, alcohol and ammonia.
Sensitive  Hygroscopic
Merck  14,7649
Stability: Stability Stable, but strong oxidizer - contact with combustible material may lead to fire. Incompatible with strong reducing agents, strong acids, combustible materials, cyanides, ammonium salts.

Description and Uses

Used as a reagent (diazotizing) in organic chemistry.

Safety

Symbol(GHS) 
GHS03,GHS06,GHS09
Signal word  Danger
Hazard statements  H272-H301-H319-H400
Precautionary statements  P210-P220-P264-P273-P301+P310-P305+P351+P338
Hazard Codes  O,T,N
Risk Statements  8-25-50
Safety Statements  45-61
RIDADR  UN 1488 5.1/PG 2
WGK Germany  2
RTECS  TT3750000
TSCA  Yes
HS Code  2834 10 00
HazardClass  5.1
PackingGroup  II
Toxicity LD50 orally in rabbits: 108 mg anion/kg, Dollahite, Rowe, Southwest. Vet. 27, 246 (1974)

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