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563218

Sigma-Aldrich

Sodium nitrite

99.999% trace metals basis

Synonym(s):

Anti-Rust, Sodium nitrite (NaNO2 )

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About This Item

Linear Formula:
NaNO2
CAS Number:
7632-00-0
Molecular Weight:
69.00
EC Number:
231-555-9
MDL number:
MFCD00011118
UNSPSC Code:
12352302
PubChem Substance ID:
24880084
NACRES:
NA.23

assay

99.999% trace metals basis

form

solid

autoignition temp.

914 °F

impurities

≤15.0 ppm Trace Metal Analysis

mp

271 °C (lit.)

SMILES string

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

InChI

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

InChI key

LPXPTNMVRIOKMN-UHFFFAOYSA-M

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Application

Sodium nitrite (NaNO2) can be used for a variety of applications, such as:
  • corrosion inhibition
  • as an effective drug on cyanide poisoning
  • inhibiting the growth of micro-organisms

signalword

Danger

Hazard Classifications

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

Storage Class

5.1B - Oxidizing hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Factors affecting the bacteriostatic action of sodium nitrite
Castellani AG and Niven Jr CF
Applied Microbiology, 3(3), 154-154 (1955)
Inhibition of copper corrosion in sodium nitrate solutions with nontoxic inhibitors
Scendo M
Corrosion Science, 50(6), 1584-1592 (2008)
Thiourea and substituted thioureas as corrosion inhibitors for aluminium in sodium nitrite solution
Subramanyam NC, et al.
Corrosion Science, 34(4), 563-571 (1993)
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