S9791

Sigma-Aldrich

Sodium dichromate dihydrate

ACS reagent, 99.5-100.5%

Synonym(s):
Sodium bichromate
Linear Formula:
Na2Cr2O7 · 2H2O
CAS Number:
Molecular Weight:
298.00
EC Number:
MDL number:
Pricing and availability is not currently available.

grade

ACS reagent

assay

99.5-100.5%

impurities

≤0.005% Insoluble matter and ammonium hydroxide precipitate

mp

91 °C (lit.)

anion traces

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

cation traces

Al: ≤0.002%
Ca: ≤0.003%

SMILES string

O.O.[Na+].[Na+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O

InChI

1S/2Cr.2Na.2H2O.7O/h;;;;2*1H2;;;;;;;/q;;2*+1;;;;;;;;2*-1

InChI key

JYDRNIYTFCBIFC-UHFFFAOYSA-N

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Signal Word

Danger

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 3086PIH 5.1(6.1) / PGI

WGK Germany

3

Certificate of Analysis
Certificate of Origin

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