Merck, A2140-1KG, Ammonium aluminum sulfate dodecahydrate

Name: Ammonium aluminum sulfate dodecahydrate
Brand: Merck
SKU: A2140-1KG

Size:1 kg, Aluminum ammonium sulfate dodecahydrate, Ammonium alum, ReagentPlus®, ≥99% (titration)

Available Catalog Numbers

A2140-1KG A2140-500G

Catalog Number: A2140-1KG

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Category

General Purpose Incubators

Pack Size1 kg

TagsAnalytical Chemistry Analytical Reagents Salts

CollectionsMerck Analytical Reagents Collection Merck Cell Culture Supplements & Reagents: Complete Solutions for Research & Bioproduction Merck Roche Life Science Products for PCR, RT‑PCR & Nucleic Acid Purification

Description

General description
Ammonium aluminum sulfate dodecahydrate, commonly called as ammonium alum, is widely used in the water purification, cosmetic formulation, fertilizers and food preservation. Its thermal decomposition has been studied. It has high latent heat of 251kJkg⁻¹ with a potential use in the heating system. Its utility as a flame-retardant for cotton fabric has been studied.
Application
Ammonium aluminum sulfate dodecahydrate may be used in the preparation of alum (Al(OH)₃) gel and monodispersed yttrium aluminum garnet (YAG) powder.
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Specifications

General

NACRES	NA.55
PubChem Substance ID	329770770
UNSPSC Code	12352302
EC Number	232-055-3
MDL number	MFCD00149958
InChI key	WZUKKIPWIPZMAS-UHFFFAOYSA-K
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
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
product line	ReagentPlus®
assay	≥99% (titration)
form	powder or crystals
pH	2.6 (25 °C, 100 g/L)
mp	93.5 °C (lit.)
Quality Level	100