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521051

Calcium nitrite solution

30 wt. % in H2O

Synonym(s):

Calcium dinitrite, Calcium nitrite, Calcium nitrite (Ca(NO2 )2 )

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About This Item

Linear Formula:
Ca(NO2)2
CAS Number:
13780-06-8
Molecular Weight:
132.09
NACRES:
NA.23
PubChem Substance ID:
24874185
UNSPSC Code:
12352302
MDL number:
MFCD00049399
Form:
liquid
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form

liquid

Quality Segment

100

reaction suitability

core: calcium

concentration

27-33% (titration by KMnO4), 30 wt. % in H2O

refractive index

n20/D 1.3946

density

1.30 g/mL

SMILES string

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

InChI

1S/Ca.2HNO2/c;2*2-1-3/h;2*(H,2,3)/q+2;;/p-2

InChI key

AONJRPXZCVADKF-UHFFFAOYSA-L

General description

Calcium nitrite solution (Ca(NO2)2) is widely utilized as a corrosion inhibitor. It protects the metal surface against chloride attack and increases the threshold level and improves the overall life of the concrete. Ca(NO2)2 does not change the mechanical properties of the cement.

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

230.0 °F - closed cup

flash_point_c

110 °C - closed cup

ppe

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