60152
硫酸铬(III)钾 十二水合物
purum p.a., ≥98.5% (RT)
别名:
硫酸钾铬(III) 十二水合物, 铬明矾
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线性分子式:
CrK(SO4)2 · 12H2O
化学文摘社编号:
分子量:
499.40
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
233-401-6
MDL number:
Assay:
≥98.5% (RT)
Form:
crystals
InChI key
ZFVHBEKVAITXHW-UHFFFAOYSA-J
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
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
grade
purum p.a.
assay
≥98.5% (RT)
form
crystals
mp
89 °C (lit.)
anion traces
chloride (Cl-): ≤200 mg/kg
cation traces
Ca: ≤500 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤200 mg/kg, Na: ≤1000 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg
Quality Level
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Application
Chromium(III) potassium sulfate dodecahydrate (KCr(SO4)2.12H2O) may be used for coating the slides for microscopic studies on Periplaneta americana. It may be used in the preparation of quasi-monodisperse spherical core-shell particles of Cr/α-Cr2O3.
General description
Chromium(III) potassium sulfate dodecahydrate (Potassium chromium(III) sulfate dodecahydrate, Chrome alum) is a violet colored solid. It has been synthesized by reacting sulfur dioxide with potassium dichromate (diisolved in sulfuric acid) at -38°C. It is widely used chemical in dyeing and textile industry.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
存储类别
11 - Combustible Solids
wgk
WGK 3
Black Cr/α-Cr2O3 nanoparticles based solar absorbers.
Khamlich S, et al.
Physica B: Condensed Matter, 407(10), 1509-1512 (2012)
Eagleson M.
Concise Encyclopedia Chemistry, 887-887 (1994)
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
V M Chikov et al.
Izvestiia Akademii nauk SSSR. Seriia biologicheskaia, (2)(2), 294-297 (1989-03-01)
Gallocyanine-chrome alum-stained pig embryonic kidney cells have paramagnetic properties. They move under the influence of gradient magnetic field (magnetophoresis). The velocity of magnetophoresis is proportional to the content of nucleic acids in cells. This allows to estimate the content of
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