A6619612
Potassium nitrite , AR,97% , 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 |
| Odor | Odorless |
| PH Range | 7 - 10 |
| PH | 7-10 (50g/l, H2O, 20℃) |
| 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. |
| CAS DataBase Reference | 7758-09-0(CAS DataBase Reference) |
| EPA Substance Registry System | Potassium nitrite (7758-09-0) |
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 |
| Hazardous Substances Data | 7758-09-0(Hazardous Substances Data) |
| Toxicity | LD50 orally in rabbits: 108 mg anion/kg, Dollahite, Rowe, Southwest. Vet. 27, 246 (1974) |
