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398063 Sigma-Aldrich

Sodium dichromate dihydrate

ACS reagent, ≥99.5%

Synonym: Sodium bichromate

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Properties

Related Categories Chemical Synthesis, Chromates, Essential Chemicals, Oxidizing Agents, Research Essentials,
Quality Level   200
grade   ACS reagent
assay   ≥99.5%
impurities   ≤0.005% NH4OH ppt.
  ≤0.005% insolubles
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

Description

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.

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.

Packaging

100, 500 g in poly bottle

Safety & Documentation

Safety Information

Signal word 
Danger
RIDADR 
UN 3086PIH 5.1(6.1) / PGI
WGK Germany 
WGK 3
RTECS 
HX7750000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Single- & multi-channel pipettes from BRAND
Protocols & Articles
Peer-Reviewed Papers
15

References

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