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Merck
CN

V800374

Sigma-Aldrich

Sodium dichromate dihydrate

AR, ≥99.5%

Synonym(s):

Sodium bichromate

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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:
12352302
PubChem Substance ID:
329829356
Assay:
≥99.5%
Grade:
AR
Form:
crystalline powder

Key Documents

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grade

AR

product line

Vetec™

Assay

≥99.5%

form

crystalline powder

pH

3.5 (20 °C, 100 g/L)

mp

91 °C (lit.)

anion traces

chloride (Cl-): ≤0.002%

cation traces

Fe: ≤0.002%
heavy metals (as Pb): ≤0.002%

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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Legal Information

Vetec is a 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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BGBC2169V
BGBC0326

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M O Elshazly et al.
PloS one, 10(6), e0126780-e0126780 (2015-06-02)
This study was conducted to investigate the possible protective effect of Spirulina platensis against chromium-induced nephrotoxicity. A total of 36 adult male Sprague-Dawley rats were divided into 4 equal groups (Gps). Gp1 served as control, rats of Gps 2, 3
D J Smart et al.
DNA repair, 5(11), 1337-1345 (2006-07-25)
Cells are continuously exposed to damaging reactive oxygen species (ROS), which are produced from both endogenous and exogenous sources. 8-Oxodeoxyguanosine (8-oxodG) is an abundant base lesion formed during oxidative stress which, if not repaired, can give rise to G:C-->T:A transversions
Silvio De Flora et al.
Mutation research, 610(1-2), 38-47 (2006-07-29)
Chromium(VI) compounds are genotoxic in a variety of cellular systems. Their potential carcinogenicity is affected by toxicokinetic patterns restricting bioavailability to certain targets, and by metabolic pathways affecting interaction of chromate-derived reactive species with DNA. Epidemiological data indicate that chromium(VI)
Amanda J Lee et al.
Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals, 9(2), 103-115 (2004-09-17)
Hexavalent chromium (Cr[VI]) is a genotoxic carcinogen that has been associated with an increased risk of nasal and respiratory tract cancers following occupational exposure. Although the precise mechanism(s) remain to be elucidated, there is evidence for a role of oxidative
Chad M Thompson et al.
Toxicological sciences : an official journal of the Society of Toxicology, 123(1), 58-70 (2011-06-30)
Chronic ingestion of high concentrations of hexavalent chromium [Cr(VI)] in drinking water induces intestinal tumors in mice. To investigate the mode of action (MOA) underlying these tumors, a 90-day drinking water study was conducted using similar exposure conditions as in
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