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  7. Sodium dichromate dihydrate, Reagent Grade

Sodium dichromate dihydrate, Reagent Grade

Product Code. 11397457
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Regulatory: This product contains a substance listed in Annex XIV to REACH Regulation (EC) No 1907/2006, all customers must complete a declaration before delivery.
Product Code. 11397457 Supplier Thermo Scientific Alfa Aesar Supplier No. 012611.36
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This item is not returnable. View return policy
Regulatory: This product contains a substance listed in Annex XIV to REACH Regulation (EC) No 1907/2006, all customers must complete a declaration before delivery.

Description

CAS: 7789-12-0 | Cr2H4Na2O9 | 297.995 g/mol

Sodium dichromate is used as a strong oxidizing agent in organic synthesis. It is used in metal finishing as an aid of corrosion resistance, manufacture of inorganic chromate pigments and in the preparation of colored glass and ceramic glazes. It is used as a mordant for acidic dyes to improve their color-fast properties and as a corrosion inhibitors in undercoats and primers.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 7789-12-0
Molecular Formula Cr2H4Na2O9
Molecular Weight (g/mol) 297.995
MDL Number MFCD00149166
InChI Key JYDRNIYTFCBIFC-UHFFFAOYSA-N
Synonym sodium dichromate dihydrate, unii-52125xyy2a, ccris 6344, disodium chromate dihydrate, sodium dichromate vi dihydrate, sodium dichromate dihydrate vi, chromic acid h2cr2o7 , disodium salt, dihydrate, dichromic acid h2cr2o7 , disodium salt, dihydrate, dsstox_cid_12061, dsstox_rid_78903
PubChem CID 108005
IUPAC Name disodium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium;dihydrate
SMILES O.O.[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[Na+].[Na+]

Specifications

Melting Point 100°C-2H2O
Color Red
Physical Form Crystalline
Quantity 500 g
Solubility Information Soluble in waterSoluble in water. Insoluble in alcohol.
Formula Weight 298.00 (261.97 Anhydrous)
Grade Reagent
Sensitivity Hygroscopic
Appearance Red crystals
Density 2.348
Chemical Name or Material Sodium dichromate dihydrate
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