398063
重铬酸钠 二水合物
ACS reagent, ≥99.5%
别名:
红矾钠
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关于此项目
线性分子式:
Na2Cr2O7 · 2H2O
化学文摘社编号:
分子量:
298.00
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
234-190-3
MDL number:
Assay:
≥99.5%
Grade:
ACS reagent
Form:
crystals
产品名称
重铬酸钠 二水合物, ACS reagent, ≥99.5%
InChI key
JYDRNIYTFCBIFC-UHFFFAOYSA-N
InChI
1S/2Cr.2Na.2H2O.7O/h;;;;2*1H2;;;;;;;/q;;2*+1;;;;;;;;2*-1
SMILES string
O.O.[Na+].[Na+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O
grade
ACS reagent
assay
≥99.5%
form
crystals
reaction suitability
reagent type: oxidant
impurities
≤0.005% NH4OH ppt.
≤0.005% insolubles
pH
3.5 (20 °C, 100 g/L)
mp
91 °C (lit.)
anion traces
chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.01%
cation traces
Al: ≤0.002%
Ca: ≤0.003%
Quality Level
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Application
Sodium dichromate dehydrate may be used in preparing Jones reagent which is employed for oxidation reactions. It may be used in the oxidation of arylalkanes.
General description
Sodium dichromate dehydrate (SDD), a hexavalent chromium compound is commonly used as an oxidizing agent. Chromium (VI) compounds are genotoxic and group 1 IARC (International Agency for Research on Cancer) carcinogen. SDD is one of the common contaminants found in drinking water. Its toxic effects and carcinogenicity has been studied.
signalword
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
存储类别
5.1B - Oxidizing hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
危险化学品
易制爆化学品
此项目有
Chromium Oxidations in Organic Chemistry
Cainelli G and Cardillo G.
Chromium Oxidations in Organic Chemistry, 29-32G-29-32G (2012)
Shaken not stirred; oxidation of alcohols with sodium dichromate.
Lou JD, et al.
Tetrahedron Letters, 47(3), 311-313 (2006)
Lack of genotoxic effects in hematopoietic and gastrointestinal cells of mice receiving chromium (VI) with the drinking water.
De Flora S, et al.
Mutation Research, Reviews in Mutation Research, 659(1), 60-67 (2008)
Synthesis of novel types of polyester glycodendrimers as potential inhibitors of urinary tract infections.
Jean-d'Amour KT, et al.
New. J. Chem., 39(5), 4115-4127 (2015)
A chronic oral reference dose for hexavalent chromium-induced intestinal cancer.
Thompson CM, et al.
Journal of Applied Toxicology, 34(5), 525-536 (2014)
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