Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

239291

Sigma-Aldrich

Sodium dichromate dihydrate

ReagentPlus®, 99%

Synonym(s):

Sodium bichromate

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
Na2Cr2O7 · 2H2O
CAS Number:
7789-12-0
Molecular Weight:
298.00
EC Number:
234-190-3
MDL number:
MFCD00149166
UNSPSC Code:
12352300
Pricing and availability is not currently available.

product line

ReagentPlus®

Assay

99%

reaction suitability

reagent type: oxidant

mp

91 °C (lit.)

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

Looking for similar products? Visit Product Comparison Guide

Other Notes

This product has been replaced by 12266-Sigma-Aldrich | Sodium dichromate dihydrate, purum, ≥99% | Na2Cr2O7

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Muta. 1B - Ox. Sol. 2 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 1 Inhalation

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

EU REACH Annex XIV (Authorisation List)

CAS No.

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
62297KJ
S47136
S47135
S32702
S32701

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 2

1 of 2

Sodium sulfide

Sigma-Aldrich

407410

Sodium sulfide

Dichloromethane anhydrous, ≥99.8%, contains 40-150 ppm amylene as stabilizer

Sigma-Aldrich

270997

Dichloromethane

Huoy-Rou Chang et al.
Toxicology in vitro : an international journal published in association with BIBRA, 25(1), 1-6 (2010-07-06)
Chromium (Cr) is considered to be a risk factor to the cardiovascular effects of fine particulate matter components to PM2.5 from traffic in highway patrol officers. RKIP (raf kinase inhibitor protein) is a physiological inhibitor of GRK-2 (G-protein-coupled receptor kinase
M Rajasimman et al.
Journal of hazardous materials, 168(1), 291-297 (2009-03-17)
The emulsion liquid membrane technique was used for the extraction of hexavalent chromium ions from aqueous solution of waste sodium dichromate recovered from the pharmaceutical industry wastewater. The liquid membrane used was composed of kerosene oil as the solvent, Span-80
N J Hodges et al.
Toxicology, 197(2), 101-112 (2004-03-09)
Changes in the components of the Jun N-terminal kinase (JNK) signalling pathway were investigated in human A549 lung carcinoma cells treated with sodium dichromate. Sodium dichromate (100 microM, 0-6h) failed to activate nuclear factor kappa B (NF-kappaB) as determined by
Pulane E Molokwane et al.
Water research, 42(17), 4538-4548 (2008-09-02)
A mixed-culture of bacteria collected from a wastewater treatment plant in Brits, North-West Province (South Africa) biocatalytically reduced Cr(VI) at much higher concentrations than previously observed in cultures isolated in North America. Cr(VI) reduction rate up to 8 times higher
Amanda J Lee et al.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology, 14(2), 497-505 (2005-03-01)
Although the genotoxic mechanism(s) of hexavalent chromium (CrVI) carcinogenicity remain to be fully elucidated, intracellular reduction of CrVI and concomitant generation of reactive intermediates including reactive oxygen species and subsequent oxidative damage to DNA is believed to contribute to the
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service