Sodium Nitrite CAS#7632-00-0
CAS Number: 7632-00-0
Chemical Formula:NaNO2
Synonyms:
NITRITE CONCENTRATE ION STANDARD
NITRITE ION CHROMATOGRAPHY STANDARD
Sodium nitrite, for analysis ACS, 97+%
Appearance: White power
HS Code: 28341000
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Products Description of Sodium nitrite CAS#7632-00-0
Sodium nitrite shares similarities with sodium nitrate, particularly in their nomenclature and practical uses. In the food industry, both compounds function as preservatives, and they are commonly added to processed meat products like salami, hot dogs, and bacon to extend shelf life. Chemically, sodium nitrite can be produced via various synthetic reactions, with each reaction relying on the reduction process of sodium nitrate. Industrially, the primary production route involves dissolving nitrogen oxides into water-based solutions of either sodium carbonate or sodium hydroxide.
Parameters
Melting point | 271 °C (lit.) |
Boiling point | 320 °C |
bulk density | 1200kg/m3 |
density | 2.17g/cm3 |
vapor pressure | <0.0001 hPa ( 25 °C) |
refractive index | 1.65 |
storage temp. | 2-8°C |
solubility | aqueous acid: 1 - 2μl acetic acid per ml H2Osoluble |
form | |
Specific Gravity | 2.168 |
color | White or colorless |
Odor | Odorless |
PH | 9 (100g/l, H2O, 20℃) |
PH Range | 9 |
Water Solubility | 820 g/L (20 ºC) |
Sensitive | Hygroscopic |
Merck | 14,8648 |
Stability: | Stable. Incompatible with reducing agents, strong oxidizing agents, organics and other flammable materials, finely powdered metals. Contact with combustible material may lead to fire. Hygroscopic. |
InChIKey | LPXPTNMVRIOKMN-UHFFFAOYSA-M |
CAS DataBase Reference | 7632-00-0(CAS DataBase Reference) |
EPA Substance Registry System | Sodium nitrite (7632-00-0) |
Safety Information
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Hazard Codes | O,T,N,Xn |
Risk Statements | 8-25-50-22-36/38 |
Safety Statements | 45-61-36-26 |
RIDADR | UN 3219 5.1/PG 3 |
WGK Germany | 3 |
RTECS | RA1225000 |
F | 10 |
Autoignition Temperature | 914 °F |
TSCA | Yes |
HazardClass | 5.1 |
PackingGroup | III |
HS Code | 28341000 |
Hazardous Substances Data | 7632-00-0(Hazardous Substances Data) |
Toxicity | LD50 orally in rats: 180 mg/kg (Smyth) |
Product Application of Sodium nitrite CAS#7632-00-0
Sodium nitrite, classified as the salt of nitrous acid, serves two key functions: it inhibits microbial growth (as an antimicrobial agent) and extends product shelf life (as a preservative). Its physical forms include slightly yellow granular powder, and nearly white opaque masses or sticks. A notable property is its deliquescence—meaning it absorbs moisture from the surrounding air. In terms of solubility, 1 gram of sodium nitrite dissolves in 1.5 milliliters of water. Within meat processing, it is specifically applied in curing to stabilize the meat’s color and enhance its characteristic flavor. Further information can be found under the "nitrite" section.
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