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Merck

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:
Molecular Weight:
69.00
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

Pricing and availability is not currently available.

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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1 of 4

This Item
237213S2252799416
assay

99.999% trace metals basis

assay

≥97.0%

assay

≥99.0%

assay

≥97%

impurities

≤15.0 ppm Trace Metal Analysis

impurities

≤0.01% insolubles

impurities

-

impurities

≤0.01% insolubles

mp

271 °C (lit.)

mp

271 °C (lit.)

mp

271 °C (lit.)

mp

271 °C (lit.)

autoignition temp.

914 °F

autoignition temp.

914 °F

autoignition temp.

914 °F

autoignition temp.

914 °F

Application

Sodium nitrite (NaNO2) can be used for a variety of applications, such as:
  • corrosion inhibition[1][2]
  • as an effective drug on cyanide poisoning[3]
  • inhibiting the growth of micro-organisms[4]

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Thiourea and substituted thioureas as corrosion inhibitors for aluminium in sodium nitrite solution
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Corrosion Science, 34(4), 563-571 (1993)
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