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Aluminium ammonium sulfate dodecahydrate

CAS No.
7784-26-1
Chemical Name:
Aluminium ammonium sulfate dodecahydrate
Synonyms
ALUM;AMMONIUM A;ALUM AMMONIA;AMMONIUM ALUM;ALUM AMMONIUM;AINH4(SO4)2·12H2O;Aluminum ammonium su;AMMONIUM ALUM POWDER USP;AMMONIUM ALUMINIUM SULFATE;AluminiumAmmoniumSulphateAr
CBNumber:
CB6481463
Molecular Formula:
AlH28NO20S2
Molecular Weight:
453.33
MDL Number:
MFCD00149958
MOL File:
7784-26-1.mol
MSDS File:
SDS
Last updated:2023-12-04 17:50:15

Aluminium ammonium sulfate dodecahydrate Properties

Melting point 93.5 °C(lit.)
Boiling point 200 °C
Density 1.64
storage temp. Store at +5°C to +30°C.
solubility H2O: 0.1 M at 20 °C, clear, colorless
form Solid
Specific Gravity 1.64
color White
PH 2.6 (100g/l, H2O, 25℃)
Odor Odorless
PH Range 2.6
Water Solubility Soluble in water and glycerol. Insoluble in alcohol.
Merck 14,327
Exposure limits NIOSH: TWA 2 mg/m3
Stability Stable.
LogP -1.031 (est)
CAS DataBase Reference 7784-26-1(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) ALUMINUM AMMONIUM SULFATE
SCOGS (Select Committee on GRAS Substances) Aluminum ammonium sulfate
FDA 21 CFR 310.545
EWG's Food Scores 1
FDA UNII 5C36DRL9ZN
EPA Substance Registry System Aluminum ammonium disulfate dodecahydrate (7784-26-1)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  Xi,C
Risk Statements  36/37/38-34
Safety Statements  26-36-45-36/37/39-27
WGK Germany  3
RTECS  WS5640010
TSCA  Yes
HS Code  2833 30 00
NFPA 704
0
2 0

Aluminium ammonium sulfate dodecahydrate price More Price(16)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 1.01031 Aluminium ammonium sulfate dodecahydrate for analysis EMSURE? ACS 7784-26-1 500g $306 2024-03-01 Buy
Alfa Aesar 013802 Aluminum ammonium sulfate dodecahydrate, Reagent Grade 7784-26-1 100g $34.3 2023-06-20 Buy
Alfa Aesar 013802 Aluminum ammonium sulfate dodecahydrate, Reagent Grade 7784-26-1 2kg $227 2023-06-20 Buy
Sigma-Aldrich A2140 Ammonium aluminum sulfate dodecahydrate ReagentPlus , ≥99% (titration) 7784-26-1 500g $193 2024-03-01 Buy
Sigma-Aldrich A2140 Ammonium aluminum sulfate dodecahydrate ReagentPlus , ≥99% (titration) 7784-26-1 1kg $276 2024-03-01 Buy
Product number Packaging Price Buy
1.01031 500g $306 Buy
013802 100g $34.3 Buy
013802 2kg $227 Buy
A2140 500g $193 Buy
A2140 1kg $276 Buy

Aluminium ammonium sulfate dodecahydrate Chemical Properties,Uses,Production

Chemical Properties

Colorless transparent cube or white powder. No smell, astringent taste. Slightly soluble in water (15g/100ml at 20℃), easily soluble in hot water. The water solution is acidic. Soluble in dilute acid and glycerol, insoluble in alcohol. Loses 10 molecules of water when heated to 120℃, becomes anhydrous alum when heated to 200℃, and decomposes at 280℃.

Uses

Ammonium aluminum sulfate dodecahydrate may be used in the preparation of alum (Al(OH)3) gel and monodispersed yttrium aluminum garnet (YAG) powder.

Definition

ChEBI: Ammonium alum is an inorganic sulfate salt.

Preparation

Aluminium ammonium sulfate dodecahydrate is produced through the reaction of sulphuric acid with aluminium hydroxide. Ammonium sulphate is added to the mixture and allowed to react. The mixture is then cooled and crystallized, followed by centrifugal separation. The resulting product is dried to obtain the final aluminium ammonium sulfate.

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.

Purification Methods

Crystallise it from hot H2O and cool in ice. When the melt is heated, it loses NH3 and H2SO4, and gives pure alumina at red heat. Solubility (%) in H2O is 3.9 (0o), 15.0 (20o) and 135 (100o).

Aluminium ammonium sulfate dodecahydrate Preparation Products And Raw materials

Global( 211)Suppliers
Supplier Tel Email Country ProdList Advantage
LY Global chemicals co.,ltd .
+8618939937369 info@lychems.cn China 969 58
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21695 55
career henan chemical co
+86-0371-86658258 sales@coreychem.com China 29914 58
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28180 58
Hubei xin bonus chemical co. LTD
86-13657291602 linda@hubeijusheng.com CHINA 22968 58
Chongqing Chemdad Co., Ltd
+86-023-61398051 +8613650506873 sales@chemdad.com China 39916 58
Zhengzhou Alfa Chemical Co.,Ltd
+8618530059196 sale04@alfachem.cn China 12431 58
Hefei TNJ Chemical Industry Co.,Ltd.
0551-65418671 sales@tnjchem.com China 34572 58
Baoji Guokang Healthchem co.,ltd
+8615604608665 15604608665 dominicguo@gk-bio.com CHINA 9427 58
Dayang Chem (Hangzhou) Co.,Ltd.
571-88938639 +8617705817739 info@dycnchem.com CHINA 52867 58

View Lastest Price from Aluminium ammonium sulfate dodecahydrate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
AMMONIUM ALUM pictures 2024-04-19 AMMONIUM ALUM
7784-26-1
US $120.00 / ton 5ton 99% 3000tons Hebei Dangtong Import and export Co LTD
Aluminium ammonium sulfate dodecahydrate pictures 2023-12-04 Aluminium ammonium sulfate dodecahydrate
7784-26-1
US $0.00-0.00 / kg 1kg 99% 1000 KG LY Global chemicals co.,ltd .
AMMONIUM ALUM pictures 2019-07-12 AMMONIUM ALUM
7784-26-1
US $1.00 / KG 1KG 99% 25kg Career Henan Chemical Co
  • AMMONIUM ALUM pictures
  • AMMONIUM ALUM
    7784-26-1
  • US $120.00 / ton
  • 99%
  • Hebei Dangtong Import and export Co LTD

Aluminium ammonium sulfate dodecahydrate Spectrum

Sulfuricacid,aluminium(3+)ammoniumsalt(2:1:1) Sulfuricacidaluminumammoniumsalt(2:1:1),dodecahydrate ALUMINUM AMMONIUM SULFATE DODECAHYDRATE, REAGENTPLUS TM, >= 99% ALUMINUM AMMONIUM SULFATE DODECAHYDRATE, 99.999% ALUMINUM-NICKEL CATALYST RANEY-TYPE & ALUMINUM AMMONIUM SULFATE DODECAHYDRATE ACS REAGENT Ammonium aluminium sulfate-12-hydrate ALUMINUM AMMONIUM SULFATE DODECAHYDRATE, 98+%, A.C.S. REAGENT AluminiumAmmoniumSulphateAr AluminiumAmmoniumSulphateUsp AluminiumAmmoniumSulphateGr AluminiumAmmoniumSulphateFcc AluminiumAmmoniumSulphate12H2OAcs AluminiumAmmoniumSulphateExtraPure AluMiniuM aMMoniuM sulfate dodecahydrate, ACS reagent ALUMINIUM AMMONIUM SULFATE DODECAHYDRAT AMMoniuM aluMinuM sulfate dodecahydrate, 99.999% Ammonium aluminum sulfate dodecahydrate ReagentPlus(R), >=99% (titration) Ammonium aluminum sulfate dodecahydrate Vetec(TM) reagent grade, 98% ALUMINIUM AMMONIUM SULPHATE 12H2O Ammonium aluminum disulfate dodecahydrate Aluminium Ammonium Sulfate 12-Water 〔Ammonium Alum〕 Aluminium ammonium sulfate dodecahydrate for analysis EMSURE ACS ALUMINUM AMMONIUM SULFATE, 12-HYDRATE ALUMINUM AMMONIUM SULFATE DODECAHYDRATE ALUMINUM AMMONIUM SULPHATE, DODECHYDRATE ALUMINUM AMMONIUM SULPHATE HYDRATED AMMONIUM ALUM AMMONIUM ALUMINUM SULFATE DODECAHYDRATE AMMONIUM ALUM SULFATE DODECAHYDRATE AMMONIUM ALUM DODECAHYDRATE AMMONIUM ALUMINIUM SULFATE AMMONIUM ALUMINIUM SULFATE 12-WATER ALUM ALUM AMMONIUM ALUMINIUM AMMONIUM SULFATE 12-WATER ALUMINIUM AMMONIUM SULFATE DODECAHYDRATE ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE Aluminiumammoniumsulfate12-hydrate Aluminium ammonium sulfate dodecahydrate, pure, 99% ALUMINUM AMMONIUM SULFATE, DODECAHYDRATE REAGENT (ACS) aluminum ammonium sulfate dodecahydrate, reagent grade ALUMINUMAMMONIUMSULFATE,DODECAHYDRATE,CRYSTAL,REAGENT,ACS ALUMINUMAMMONIUMSULFATE,DODECAHYDRATE,POWDER,FCC AMMONIUMALUM,DODECAHYDRATE,POWDER,USP Aluminum ammonium sulfate hydrate AMMONIUMALUMINIUMSULPHATE,HYDRATE AMMONIUM ALUM POWDER USP ALUM AMMONIA ALUMINIUM AMMONIUM SULPHATE extrapure AR Ammonium Aluminum Sulfate, granular Aluminum ammonium sulfate dodecahydrate, Ammonium alum ALUMINIUM AMMONIUM SULFATE DODECAHYDRATE, 99%, PURE alum for jeweller production ammonium aluminium sulfate for jeweller production Aluminium ammonium sulfate dodecahydrate, reagent, crystals,99% Ammonium aluminum sulfate dodecahydrate,Aluminum ammonium sulfate dodecahydrate, Ammonium alum Aluminium ammonium sulfate dodecahydrate, extra pure, USP