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483044

Sigma-Aldrich

Potassium dichromate

99.98% trace metals basis

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Synonym(s):
Potassium bichromate
Linear Formula:
K2Cr2O7
CAS Number:
Molecular Weight:
294.18
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

99.98% trace metals basis

form

crystalline

reaction suitability

reagent type: oxidant

technique(s)

cell culture | mammalian: suitable

impurities

≤150.0 ppm Trace Metal Analysis

mp

398 °C (lit.)

SMILES string

[K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O

InChI

1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1

InChI key

KMUONIBRACKNSN-UHFFFAOYSA-N

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This Item
P527120780231255
Potassium dichromate 99.98% trace metals basis

Sigma-Aldrich

483044

Potassium dichromate

-
Potassium dichromate ReagentPlus®, ≥99.5%

Sigma-Aldrich

P5271

Potassium dichromate

-
Potassium dichromate ACS reagent, ≥99.0%

Sigma-Aldrich

207802

Potassium dichromate

Essential Grade
Potassium dichromate puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.8%

Sigma-Aldrich

31255

Potassium dichromate

Essential Grade
form

crystalline

form

powder

form

crystals

form

solid

impurities

≤150.0 ppm Trace Metal Analysis

impurities

-

impurities

≤0.005% insolubles

impurities

≤0.005% water insolubles

mp

398 °C (lit.)

mp

398 °C (lit.)

mp

398 °C (lit.)

mp

398 °C (lit.)

reaction suitability

reagent type: oxidant

reaction suitability

reagent type: oxidant

reaction suitability

reagent type: oxidant

reaction suitability

-

technique(s)

cell culture | mammalian: suitable

technique(s)

-

technique(s)

-

technique(s)

-

Application

Potassium dichromate can be used as an oxidizing agent for the synthesis of polymers such as poly-O-phenylenediamine and polyanilines via oxidative polymerization.

Signal Word

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 - STOT RE 1 Inhalation - STOT SE 3

Target Organs

Cardio-vascular system, Respiratory system

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品
易制爆化学品

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Synthesis and characterization of fluorine-substituted polyanilines
A Cihaner and A.M Onal
European Polymer Journal, 37, 1767-1772 (2001)
Chemical polymerization kinetics of poly-o-phenylenediamine and characterization of the obtained polymer in aqueous hydrochloric acid solution using K2Cr2O7 as oxidizing agent
SM Sayyah, et al.
International Journal of Polymer Science, 2014 (2014)
Peter A Siver et al.
American journal of botany, 102(6), 921-941 (2015-06-24)
Heterokont algae of the class Synurophyceae, characterized by distinctive siliceous scales that cover the surface of the cell, are ecologically important in inland waters, yet their evolutionary history remains enigmatic. We explore phylogenetic relationships within this group of algae relative
Fu-Jun Liu et al.
Toxicological sciences : an official journal of the Society of Toxicology, 110(2), 307-318 (2009-06-03)
Werner syndrome is a premature aging disorder characterized by cancer predisposition that is caused by loss of the Werner syndrome protein (WRN) helicase/exonuclease DNA repair protein. Hexavalent chromium is an environmental carcinogen and genotoxicant that is associated with respiratory cancers
Eduardo Molina-Jijón et al.
Toxicology, 291(1-3), 93-101 (2011-11-26)
Deferoxamine (DFO) is a recognized iron chelator which has been shown to exert nephroprotection in models of toxic nephropathies. In the present work the potential protective effects of DFO against Cr(VI)-induced nephrotoxicity and oxidant stress were evaluated. Rats were injected

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