硫酸铵铝十二水合物，Ammonium aluminum sulfate dodecahydrate；ACS reagent, ≥98%

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十二水硫酸铵铝；硫酸铝铵十二水合物；铵明矾；十二水合硫酸铝铵；Aluminum ammonium sulfate dodecahydrate, Ammonium alum

CAS号 7784-26-1 线性分子式 AlNH4(SO4)2 · 12H2O 分子量 453.33 EINECS 编号 232-055-3 MDL number MFCD00149958 PubChem Substance ID 329755965 NACRES NB.24

制造商品牌: 西格玛 Sigma-Aldrich

货号（SKU）: 402818

CAS号: 7784-26-1

MDL号: MFCD00149958

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目录价.SKU-Variant

250g

$297.27

数量:

产品描述

General description

Ammonium aluminum sulfate dodecahydrate commonly called as ammonium alum is widely used in water purification, cosmetic formulation, fertilizers and food preservation. Its thermal decomposition has been studied.^[1] It has high latent heat of 251 kJ kg^-1 with a potential use in the heating system.^[4] Its utility as a flame-retardant for cotton fabric has been analyzed.^[2]

Application

Ammonium aluminum sulfate dodecahydratemay be used in the preparation of Alum (Al(OH)₃) gel.^[3]

包装

250 g in poly bottle

性质

Quality Level	200
grade	ACS reagent
assay	≥98%
	98.0-102.0% (ACS specification)
impurities	≤0.005% insolubles
mp	93.5 °C (lit.)
anion traces	chloride (Cl^-): ≤0.001%
cation traces	Ca: ≤0.05%
	Fe: ≤0.001%
	K: ≤0.05%
	Na: ≤0.01%
	heavy metals (as Pb): ≤0.001%
SMILES string	[Al+3].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H][N+]([H])([H])[H].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
InChI	1S/Al.H3N.2H2O4S.12H2O/c;;21-5(2,3)4;;;;;;;;;;;;/h;1H3;2(H2,1,2,3,4);12*1H2/q+3;;;;;;;;;;;;;;;/p-3
InChI key	WZUKKIPWIPZMAS-UHFFFAOYSA-K

安全信息

危害码 (欧洲) Xi

风险声明 (欧洲) 36/37/38

安全声明 (欧洲) 26-36

RIDADR NONH for all modes of transport

WGK德国 WGK 3

RTECS WS5640010

商品规格

属性名称	属性值
储存温度 Storage temp.	常温阴凉避光
全球实时库存 Availability √	美国St. Louis ≥ 99 \| 欧洲Eur. ≥ 10 \| 東京Tokyo ≥ 22 \| 香港与北京 ≥ 32

商品标签

十二水硫酸铵铝 (2)

硫酸铵铝十二水合物，Ammonium aluminum sulfate dodecahydrate；ACS reagent, ≥98%

产品描述

General description

Application

包装

性质

安全信息

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