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Merck
CN

237086

Sigma-Aldrich

硫酸铝钾 十二水合物

ACS reagent, ≥98%

别名:

明矾, 硫酸钾铝 十二水合物, 钾明矾

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About This Item

线性分子式:
AlK(SO4)2 · 12H2O
CAS号:
分子量:
474.39
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NB.24

等级

ACS reagent

质量水平

检测方案

≥98%
98.0-102.0% (ACS specification)

形式

powder or crystals

反应适用性

reagent type: catalyst
core: aluminum

杂质

≤0.005% insolubles

pH值(酸碱度)

3.3 (94.88 g/L)

mp

92 °C (lit.)

密度

1.757 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl-): ≤5 ppm

痕量阳离子

Fe: ≤0.001%
NH4+: ≤0.005%
Na: ≤0.02%
heavy metals: ≤0.001% (by ICP)

SMILES字符串

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

InChI

1S/Al.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

GNHOJBNSNUXZQA-UHFFFAOYSA-J

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应用

十二水硫酸铝钾已用于:
  • 制备Mayer苏木精染液,用于肺切片和胫骨前肌切片染色
  • 敏化实验室小鼠并建立过敏性鼻炎(AR)小鼠模型
  • 乳腺染色,用于全组织包埋分析

储存分类代码

11 - Combustible Solids

WGK

WGK 1


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