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7632-00-0 - Sodium nitrite, 98% - A18668 - Alfa Aesar

A18668 Sodium nitrite, 98%

CAS-Nummer
7632-00-0
Synonyme

Größe Preis ($) Menge Verfügbarkeit
1000g 50,25
5000g 146,26
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Sodium nitrite, 98%

MDL
MFCD00011118
EINECS
231-555-9

Chemische Eigenschaften

Formel
NNaO2
Molmasse
69.00
Schmelzpunkt
271° dec.
Dichte
2.17
Sensitivität
Hygroscopic
Löslichkeit
Soluble in water, methanol, ethanol, ammonia, nitric acid. Slightly soluble diethyl ether.

Anwendungen

Sodium nitrite is used in many industrial applications viz. in meat curing, coloring and preserving. It is used as a reagent in analytical chemistry, an antidote in cyanide poisoning, an electrolyte in electrochemical grinding, as a cooling solution in closed loop systems and as an additive in industrial greases. It finds application as a corrosion inhibitor as well as in the rubber industry. In metallurgy, it is used for phosphatizing and detinning. It acts as a precursor to diazo dyes, nitroso compounds and various organic compounds like pharmaceuticals. As a food additive, it is used to prevent botulism.

Bemerkungen

Decomposes above 320°. Hygroscopic. Incompatible with reducing agents, strong oxidizing agents, organics, finely powdered metals.

Literaturverweise

Cheng, D.; Yuan, K.; Xu, X.; Yan, J. The oxidative coupling of benzylic compounds catalyzed by 2, 3-dichloro-5, 6-dicyano-benzoquinone and sodium nitrite using molecular oxygen as a co-oxidant. Tetrahedron Lett. 2015, 56 (13), 1641-1644.

Kroflic?, A.; Grilc, M.; Grgic?, I. Unraveling Pathways of Guaiacol Nitration in Atmospheric Waters: Nitrite, A Source of Reactive Nitronium Ion in the Atmosphere. Environ. Sci. Technol. 2015, 49 (15), 9150-9158.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H301-H272-H400

Toxic if swallowed. May intensify fire; oxidizer. Very toxic to aquatic life.

Sicherheitshinweise: P221-P210-P220-P273-P280-P264-P301+P310-P321-P405-P501a

Take any precaution to avoid mixing with combustibles. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep/Store away from clothing/combustible materials. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. Specific treatment (see label). Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,8648
Gefahrenklasse
5.1
Verpackungsgruppe
III
Harmonized Tariff Code
2834.10
TSCA
Yes
RTECS
RA1225000

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