243361
Chromium(III) potassium sulfate dodecahydrate
ACS reagent, ≥98%
동의어(들):
Chrome alum, Potassium chromium(III) sulfate dodecahydrate
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모든 사진(4)
About This Item
Linear Formula:
CrK(SO4)2 · 12H2O
CAS Number:
Molecular Weight:
499.40
EC Number:
MDL number:
UNSPSC 코드:
12352300
PubChem Substance ID:
NACRES:
NB.24
추천 제품
Grade
ACS reagent
Quality Level
분석
≥98%
98.0-102.0% (ACS specification)
형태
crystals
반응 적합성
reagent type: catalyst
core: chromium
불순물
≤0.01% insolubles
mp
89 °C (lit.)
음이온 미량물
chloride (Cl-): ≤0.002%
양이온 미량물
Al: ≤0.02%
Fe: ≤0.01%
NH4+: ≤0.01%
heavy metals (as Pb): ≤0.01%
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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일반 설명
Chromium(III) potassium sulfate dodecahydrate (Potassium chromium(III) sulfate dodecahydrate, Chrome alum) is widely used chemical in dyeing and textile industry. It can be synthesized by reacting sulfur dioxide with potassium dichromate (dissolved in sulfuric acid) at -38°C.
애플리케이션
Chromium(III) potassium sulfate dodecahydrate [KCr(SO4)2.12H2O] has been used for the dissolution of gelatin in various studies.
It may be used as a starting material in the synthesis of quasi-monodisperse spherical core-shell particles of Cr/α-Cr2O3 to be used as solar absorbers.
It may be used as a starting material in the synthesis of quasi-monodisperse spherical core-shell particles of Cr/α-Cr2O3 to be used as solar absorbers.
신호어
Warning
유해 및 위험 성명서
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
시험 성적서(COA)
제품의 로트/배치 번호를 입력하여 시험 성적서(COA)을 검색하십시오. 로트 및 배치 번호는 제품 라벨에 있는 ‘로트’ 또는 ‘배치’라는 용어 뒤에서 찾을 수 있습니다.
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