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237213

Sigma-Aldrich

Sodium nitrite

ACS reagent, ≥97.0%

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About This Item

Fórmula lineal:
NaNO2
Número de CAS:
7632-00-0
Peso molecular:
69.00
Número CE:
231-555-9
Número MDL:
MFCD00011118
Código UNSPSC:
12352302
ID de la sustancia en PubChem:
329752451
NACRES:
NA.21
Ensayo:
≥97.0%
grado:
ACS reagent
Formulario:
powder or crystals

grado

ACS reagent

Nivel de calidad

200

Agency

suitable for EPA 300

Ensayo

≥97.0%

Formulario

powder or crystals

temp. de autoignición

914 °F

impurezas

≤0.01% insolubles

mp

271 °C (lit.)

trazas de anión

chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.01%

trazas de catión

Ca: ≤0.01%
Fe: ≤0.001%
K: ≤0.005%
heavy metals (as Pb): ≤0.001%

cadena SMILES

[Na+].[O-]N=O

InChI

1S/HNO2.Na/c2-1-3;/h(H,2,3);/q;+1/p-1

Clave InChI

LPXPTNMVRIOKMN-UHFFFAOYSA-M

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Descripción general

Sodium nitrite (NaNO2) is an inorganic compound that is commonly used as a reagent and catalyst in synthetic organic chemistry.

Aplicación

Co-catalyst for catalytic oxidation of alcohols under aerobic, solvent-free conditions.

Solvent free aerobic oxidation of alcohols with 1-methyl-2-azaadamantane N-oxyl as a recyclable catalyst through phase separation
Sodium nitrite can be used as a reagent in:      
  • The Sandmeyer reaction for converting amines into diazo derivatives, and nitration reaction.      
  • The oxidative C-C bond formation reaction in the presence of oxygen as the terminal oxidant.      
  • The oxidative carbonitration of alkenes in the presence of K2S2O8.

It can also be used as a nitrating agent in organic synthesis. For example, NaNO2 is used in direct C-H nitration, ipso-nitration, and nitration via transition metal-catalyzed cross-coupling reaction.

Palabra de señalización

Danger

Frases de peligro

H272,H301,H319,H400

Clasificaciones de peligro

Acute Tox. 3 Oral - Aquatic Acute 1 - Eye Irrit. 2 - Ox. Sol. 3

Código de clase de almacenamiento

5.1B - Oxidizing hazardous materials

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
BCCM8378
BCCM1021
BCCJ6492
BCCM3475
MKCT7654

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Sania Bibi et al.
Mikrochimica acta, 186(9), 595-595 (2019-08-04)
A cyclic voltammetric method is described for the determination of nitrite by using a multiwalled carbon nanotube paste electrode (MWCNT) that was modified with chitosan-functionalized silver nanoparticles (Chit-AgNPs). The AgNPs were prepared by one step procedure using chitosan as stabilizing
P J McClure et al.
International journal of food microbiology, 14(1), 77-91 (1991-10-01)
An automated turbidimetric system using multiwelled plates was used to examine the effects of different combinations of NaCl (0.5-8.0% w/v), NaNO2 (0-400 micrograms/ml) pH (4.6-7.4) and temperature (5-30 degrees C) on the growth of Listeria monocytogenes in tryptone soya broth.
Eagleson M.
Concise Encyclopedia Chemistry, 999-999 (1994)
R Kokkola et al.
Scandinavian journal of immunology, 61(1), 1-9 (2005-01-13)
Abstract High-mobility group box chromosomal protein 1 (HMGB1) is a protein with both intranuclear functions and extracellular cytokine-like effects. In this report, we study possible candidate receptors for HMGB1 on macrophages (Mphi) and define pathways activated by HMGB1 binding. Bone
Saurabh Srivastava et al.
Scientific reports, 8(1), 11326-11326 (2018-07-29)
Neuroinflammation is recognized as one of the obligatory pathogenic features of neurodegenerative diseases including Alzheimer's, Parkinson's or prion diseases. In prion diseases, space and time correlations between deposition of disease-associated, pathogenic form of the prion protein or PrPSc and microglial-mediated
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