S2252
Sodium nitrite
ReagentPlus®, ≥99.0%
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About This Item
Formula condensata:
NaNO2
Numero CAS:
Peso molecolare:
69.00
Numero CE:
Numero MDL:
Codice UNSPSC:
12352302
ID PubChem:
NACRES:
NA.21
Prodotti consigliati
Livello qualitativo
Nome Commerciale
ReagentPlus®
Saggio
≥99.0%
Forma fisica
powder or crystals
Temp. autoaccensione
914 °F
pH
9 (20 °C, 100 g/L)
Punto di fusione
271 °C (lit.)
Stringa SMILE
[Na+].[O-]N=O
InChI
1S/HNO2.Na/c2-1-3;/h(H,2,3);/q;+1/p-1
LPXPTNMVRIOKMN-UHFFFAOYSA-M
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Descrizione generale
Sodium nitrite is an air-sensitive and hygroscopic solid with both reducing and oxidizing properties. It is commonly used as a reagent and catalyst in synthetic organic chemistry. It is decomposed by acids (even weak acids) with the evolution of a brown mixture of nitrogen oxides (NOx).
Applicazioni
Sodium nitrite can be used as a reagent in:
It can also be used as a nitrating agent in organic synthesis.
It is used in direct C-H nitration, ipso-nitration, and nitration via transition metal-catalyzed cross-coupling reaction. NaNO2 is also used as a co-catalyst for catalytic oxidation of alcohols under aerobic, solvent-free conditions.
- In the conversion of amines into diazo compounds, which are used as key precursors to many dyes, such as diazo dyes.
- Nef reaction and Abidi transformations.
- The C–C bond cleavage reaction in the presence of TFA under aerobic conditions.
- The oxidative carbonitration of alkenes in the presence of K2S2O8.
It can also be used as a nitrating agent in organic synthesis.
It is used in direct C-H nitration, ipso-nitration, and nitration via transition metal-catalyzed cross-coupling reaction. NaNO2 is also used as a co-catalyst for catalytic oxidation of alcohols under aerobic, solvent-free conditions.
Note legali
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Avvertenze
Danger
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Acute Tox. 3 Oral - Aquatic Acute 1 - Eye Irrit. 2 - Ox. Sol. 3
Codice della classe di stoccaggio
5.1B - Oxidizing hazardous materials
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Certificati d'analisi (COA)
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