Merck
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799416

Sigma-Aldrich

Sodium nitrite

anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥97%

Linear Formula:
NaNO2
CAS Number:
Molecular Weight:
69.00
EC Number:
MDL number:
PubChem Substance ID:

grade

ACS reagent
anhydrous

Quality Level

vapor pressure

<0.0001 hPa ( 25 °C)

product line

Redi-Dri

Assay

≥97%

form

powder or crystals

autoignition temp.

914 °F

quality

free-flowing

impurities

≤0.01% insolubles

pH

9

mp

271 °C (lit.)

anion traces

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

cation traces

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

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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Sodium nitrite

grade

ACS reagent, anhydrous

grade

ACS reagent

grade

-

grade

anhydrous

vapor pressure

<0.0001 hPa ( 25 °C)

vapor pressure

-

vapor pressure

-

vapor pressure

<0.0001 hPa ( 25 °C)

assay

≥97%

assay

≥97.0%

assay

≥99.0%

assay

≥99.0%

form

powder or crystals

form

powder or crystals

form

powder or crystals

form

powder

impurities

≤0.01% insolubles

impurities

≤0.01% insolubles

impurities

-

impurities

-

pH

9

pH

-

pH

9 (20 °C, 100 g/L)

pH

9

Application

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

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


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