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239291

Sigma-Aldrich

Sodium dichromate dihydrate

ReagentPlus®, 99%

Sinonimo/i:

Sodium bichromate

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About This Item

Formula condensata:
Na2Cr2O7 · 2H2O
Numero CAS:
7789-12-0
Peso molecolare:
298.00
Numero CE:
234-190-3
Numero MDL:
MFCD00149166
Codice UNSPSC:
12352300

Nome Commerciale

ReagentPlus®

Saggio

99%

Impiego in reazioni chimiche

reagent type: oxidant

Punto di fusione

91 °C (lit.)

Stringa SMILE

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
JYDRNIYTFCBIFC-UHFFFAOYSA-N

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Altre note

This product has been replaced by 12266-Sigma-Aldrich | Sodium dichromate dihydrate, purum, ≥99% | Na2Cr2O7

Note legali

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

Avvertenze

Danger

Classi di pericolo

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

Codice della classe di stoccaggio

5.1B - Oxidizing hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificati d'analisi (COA)

Lot/Batch Number
62297KJ
S47136
S47135
S32701
S32702

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Solfuro di sodio

Sigma-Aldrich

407410

Solfuro di sodio

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

Sigma-Aldrich

270997

Diclorometano

Chad M Thompson et al.
Regulatory toxicology and pharmacology : RTP, 64(1), 68-76 (2012-06-19)
In vitro studies on hexavalent chromium [Cr(VI)] indicate that reduced forms of this metal can interact with DNA and cause mutations. Recently, Cr(VI) was shown to induce intestinal tumors in mice; however, Cr(VI) elicited redox changes, cytotoxicity and hyperplasia -
Isabelle Hininger et al.
Free radical biology & medicine, 42(12), 1759-1765 (2007-05-22)
Several studies have demonstrated beneficial effects of supplemental trivalent Cr in subjects with reduced insulin sensitivity with no documented signs of toxicity. However, recent studies have questioned the safety of supplemental trivalent Cr complexes. The objective of this study was
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
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
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