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Documentos

05-4560

Sigma-Aldrich

Chromium(III) potassium sulfate dodecahydrate

SAJ first grade, ≥97.0%

Sinónimos:

Chrome alum, Potassium chromium(III) sulfate dodecahydrate

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About This Item

Fórmula lineal:
CrK(SO4)2 · 12H2O
Número de CAS:
7788-99-0
Peso molecular:
499.40
EC Number:
233-401-6
MDL number:
MFCD00149917
UNSPSC Code:
12352302
PubChem Substance ID:
329748064

grade

SAJ first grade

assay

≥97.0%

form

crystalline

reaction suitability

reagent type: catalyst
core: chromium

availability

available only in Japan

mp

89 °C (lit.)

SMILES string

O.O.O.O.O.O.O.O.O.O.O.O.[K+].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

InChI

1S/Cr.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4

InChI key

ZFVHBEKVAITXHW-UHFFFAOYSA-J

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pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

ppe

Eyeshields, Gloves, type N95 (US)

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R S Liem et al.
Acta morphologica Neerlando-Scandinavica, 22(3), 233-243 (1984-10-01)
The ultrastructure of endochondral bone was studied using an aqueous solution of chromic potassium sulphate as the decalcifying agent. 0.5 mm thick sections of rat tibiae were fixed in buffered glutaraldehyde, immersed in an aqueous solution of 1% chromic potassium
L A Kowalski et al.
Cancer letters, 103(1), 65-69 (1996-05-15)
Tumor promoters such as phorbol esters, teleocidin and okadaic acid increase the numbers of multilayered, transformed foci produced by BPV DNA-transfected C3H/10T1/2 cells. We questioned whether arsenic and chromium, which are known human carcinogens also enhance transformation of BPV DNA-transfected
Rapid demonstration of nucleic acids using "oxidised" gallocyanin and chromic potassium sulphate: methods and applications.
O A Husain et al.
Journal of clinical pathology, 37(1), 99-101 (1984-01-01)
W Sandritter et al.
Journal of microscopy, 121(Pt 3), 253-259 (1981-03-01)
A method has been elaborated for the demonstration of DNA in the electron microscope. The method uses glutaraldehyde fixed tissue pieces from which RNA has been removed by incubation with RNase. DNA is stained by gallocyanin-chrome alum in the tissue
H Murabayashi et al.
The Journal of veterinary medical science, 61(10), 1183-1186 (1999-11-24)
One of the most attractive characteristics of a horse testis is the change of the weight during development. As the testicular weight changes and the number of Leydig cells decreases, pigments appear in interstitial tissues. In the present study, the
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