Skip to Content
Merck
CN
All Photos(3)

Documents

Safety Information

483044

Sigma-Aldrich

Potassium dichromate

99.98% trace metals basis

Sign Into View Organizational & Contract Pricing
All Photos(3)
Synonym(s):
Potassium bichromate
Linear Formula:
K2Cr2O7
CAS Number:
7778-50-9
Molecular Weight:
294.18
EC Number:
231-906-6
MDL number:
MFCD00011367
UNSPSC Code:
12352302
PubChem Substance ID:
24871862
NACRES:
NA.23

Quality Level

100

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

Looking for similar products? Visit Product Comparison Guide

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 - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3

Target Organs

Cardio-vascular system, Respiratory system

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Synthesis and characterization of fluorine-substituted polyanilines
A Cihaner and A.M Onal
European Polymer Journal, 37, 1767-1772 (2001)
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
Bour-Jr Wang et al.
Journal of the Formosan Medical Association = Taiwan yi zhi, 110(12), 775-779 (2012-01-18)
Occupational dermatitis among cement workers is a major occupational health concern. The two most important occupational hazards for cement workers are irritant and allergic cement contact dermatitis. The objective of this study was to investigate the severity of occupational cement
Shafaqat Ali et al.
Environmental toxicology and chemistry, 32(10), 2234-2239 (2013-06-19)
A hydroponic experiment was carried out to examine the effect of hydrogen sulfide (H2 S) in alleviating chromium (Cr) stress in barley. A 2-factorial design with 6 replications was selected, including 3 levels of NaHS (0 μM, 100 μM, and
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
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service