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Sodium dichromate dihydrate

SIGALD/398063 - ACS reagent, ≥99.5%

Synonym: Sodium bichromate

CAS Number: 7789-12-0
Empirical Formula (Hill Notation): Cr2Na2O7 · 2H2O
Molecular Weight: 298.00
EC Number: 234-190-3
MDL Number: MFCD00149166
Linear Formula: Na2Cr2O7 · 2H2O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-398063-100G 100 g
 $92.70
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45-398063-500G 500 g
 $286.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 398063-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 398063-500G

 

anion traces chloride (Cl-): ≤0.005%
  sulfate (SO42-): ≤0.01%
assay ≥99.5%
cation traces Al: ≤0.002%
  Ca: ≤0.003%
form crystals
grade ACS reagent
impurities ≤0.005% insolubles
  ≤0.005% NH4OH ppt.
InChI 1S/2Cr.2Na.2H2O.7O/h;;;;2*1H2;;;;;;;/q;;2*+1;;;;;;;;2*-1
InChI key JYDRNIYTFCBIFC-UHFFFAOYSA-N
mp 91 °C (lit.)
pH 3.5 (20 °C, 100 g/L)
Quality Level 200 
reaction suitability reagent type: oxidant
SMILES string O.O.[Na+].[Na+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O
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.
Packaging: 100, 500 g in poly bottle
Packaging: 2.5 kg in poly bottle
Symbol GHS03GHS05GHS06GHS08GHS09  GHS03,GHS05,GHS06,GHS08,GHS09
Signal word Danger
Hazard statements H272 - H301 - H312 - H314 - H317 - H330 - H334 - H340 - H350 - H360FD - H372 - H410
Precautionary statements P210 - P260 - P280 - P301 + P310 + P330 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
Hazard Codes O,T+,N
Risk Statements 45-46-60-61-8-21-25-26-34-42/43-48/23-50/53
Safety Statements 53-45-60-61
RIDADR UN 3086PIH 5.1(6.1) / PGI
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥99.5%
mp 91 °C (lit.)
UNSPSC 12352302

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