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P2588

Potassium dichromate

BioXtra, ≥99.5%

Synonyme(s) :

Potassium bichromate

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A propos de cet article

Formule linéaire :
K2Cr2O7
Numéro CAS:
7778-50-9
Poids moléculaire :
294.18
NACRES:
NA.21
PubChem Substance ID:
329820141
UNSPSC Code:
12352302
EC Number:
231-906-6
MDL number:
MFCD00011367
Assay:
≥99.5%
Form:
powder or crystals
Solubility:
H2O: 0.1 M at 20 °C, clear, orange
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product line

BioXtra

Quality Level

100

assay

≥99.5%

form

powder or crystals

reaction suitability

reagent type: oxidant

impurities

<0.005% Phosphorus (P), <0.1% Insoluble matter

pH

3.6 (100 g/L)

mp

398 °C (lit.)

solubility

H2O: 0.1 M at 20 °C, clear, orange

anion traces

sulfate (SO42-): <0.005%

cation traces

Al: <0.0005%, Ca: <0.0005%, Cu: <0.0005%, Fe: <0.001%, Mg: <0.0005%, Na: <0.05%, Pb: <0.001%, Zn: ≤0.001%

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

General description

Potassium dichromate, a toxic hexavalent chromium compound, is a strong oxidizing agent. Its nephrotoxicity in humans and animals has been studied. Its crystalline structure has been analyzed. Its ability to induce genetic and DNA methylation alteration has been assessed in Brassica napus L. plants.

Application

Potassium dichromate has been used in experiments to determine the ability of MCM-41-supported nanoscale zero-valent iron (nZVI) sample to remove hexavalent chromium.

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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

Classe de stockage

5.1B - Oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Massimo Labra et al.
Chemosphere, 54(8), 1049-1058 (2003-12-11)
This study evaluated genetic and DNA methylation alteration induced by potassium dichromate in Brassica napus L. plants. Amplified fragment length polymorphism (AFLP) and selective amplification of polymorphic loci (SAMPL) tests revealed dose-related increases in sequence alterations in plantlets exposed to
An accurate determination of the crystal structure of triclinic potassium dichromate, K2Cr2O7.
Brandon JK and Brown ID.
Canadian Journal of Chemistry, 46(6), 933-941 (1968)
Eduardo Molina-Jijón et al.
Free radical biology & medicine, 51(8), 1543-1557 (2011-08-16)
We report the role of mitochondria in the protective effects of curcumin, a well-known direct and indirect antioxidant, against the renal oxidant damage induced by the hexavalent chromium [Cr(VI)] compound potassium dichromate (K(2)Cr(2)O(7)) in rats. Curcumin was given daily by
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Numéro d'article de commerce international

RéférenceGTIN
P2588-250G04061834364061