grade

ACS reagent

Quality Level

200

Agency

suitable for EPA 300

Assay

≥97.0%

form

powder or crystals

autoignition temp.

914 °F

impurities

≤0.01% insolubles

mp

271 °C (lit.)

anion traces

chloride (Cl^-): ≤0.005%
sulfate (SO₄^2-): ≤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