ChemicalBook >> CAS DataBase List >>ALUMINUM POTASSIUM SULFATE

ALUMINUM POTASSIUM SULFATE

CAS No.
10043-67-1
Chemical Name:
ALUMINUM POTASSIUM SULFATE
Synonyms
POTASSIUM ALUMINUM SULFATE;ALUMINIUM POTASSIUM SULFATE;ALUMINIUM POTASSIUM SULPHATE;alum,n.f.;burntalum;driedalum;Kaliumalaun;exsiccatedalum;ALUM POTASSIUM;Alum anhydrous
CBNumber:
CB0689708
Molecular Formula:
AlKO8S2
Molecular Weight:
258.21
MDL Number:
MFCD00003428
MOL File:
10043-67-1.mol
MSDS File:
SDS
Last updated:2026-08-26 18:28:42

ALUMINUM POTASSIUM SULFATE Properties

Density 1.725 g/cm3
solubility Freely soluble in water, very soluble in boiling water; soluble in glycerol; practically insoluble in ethanol (96%).
form white hygroscopic powder
color white
Water Solubility g/100g H2O: 3.00 (0°C), 5.90 (20°C), 109 (90°C) [LAN05]
Merck 13,359
Cosmetics Ingredients Functions ASTRINGENT
InChI InChI=1S/Al.K.2H2O4S/c;;2*1-5(2,3)4/h;;2*(H2,1,2,3,4)/q+3;+1;;/p-4
InChIKey GRLPQNLYRHEGIJ-UHFFFAOYSA-J
SMILES S([O-])(=O)(=O)[O-].S([O-])([O-])(=O)=O.[Al+3].[K+]
LogP -1.031 (est)
CAS DataBase Reference 10043-67-1(CAS DataBase Reference)
FDA 21 CFR 182.1129; 582.1129
FDA UNII 09OXB01F3O
EPA Substance Registry System Potassium aluminum sulfate (10043-67-1)

SAFETY

Risk and Safety Statements

RTECS  WS5650000
TSCA  TSCA listed
Hazardous Substances Data 10043-67-1(Hazardous Substances Data)
REACH Registrations Active

ALUMINUM POTASSIUM SULFATE price More Price(10)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
ChemScene CS-0201441 Aluminum potassium sulfate ≥98% 10043-67-1 5g $35 2026-06-04 Buy
ChemScene CS-0201441 Aluminum potassium sulfate ≥98% 10043-67-1 10g $54 2026-06-04 Buy
ChemScene CS-0201441 Aluminum potassium sulfate ≥98% 10043-67-1 25g $92 2026-06-04 Buy
ChemScene CS-0201441 Aluminum potassium sulfate ≥98% 10043-67-1 50g $130 2026-06-04 Buy
aablocks AA01DOAZ Potassium Aluminum Sulfate >98% 10043-67-1 5g $71 2026-05-29 Buy
Product number Packaging Price Buy
CS-0201441 5g $35 Buy
CS-0201441 10g $54 Buy
CS-0201441 25g $92 Buy
CS-0201441 50g $130 Buy
AA01DOAZ 5g $71 Buy

ALUMINUM POTASSIUM SULFATE Chemical Properties, Uses, Production

Chemical Properties

Also known as potash alum, alum NF, and potassium alum, Al2(S04)3.K2S04.24H20 (sometimes written AlK(S04)2·12H20) is white, odorless crystals having an astringent taste, and is soluble in water, insoluble in alcohol, and noncombustible. Solutions in water are acid. Derived from alumite, leucite, or similar minerals, and also by crystallization from a solution made by dissolving aluminum sulfate and potassiwn sulfate and mixing, Used in dyeing (mordant), paper, matches, paints, tanning agents, waterproofing agents, purification of water, aluminum salts, food additive, baking powder, astringent, and as a cement hardener.

Chemical Properties

white powder(s); absorbs atmospheric moisture [MER06]

Chemical Properties

The PhEur 6.0 describes potassium alum as a granular powder, or colorless, transparent, crystalline masses. The JP XV describes it as colorless or white crystals or powder. Potassium alum is odorless and has a slightly sweet, strongly astringent taste.

Uses

Astringent (topical).

Definition

ChEBI: A metal sulfate composed of potassium, aluminium and sulfate ions in the ration 1:1:2.

Production Methods

Potassium alum is manufactured by treating bauxite with sulfuric acid and then potassium sulfate. Alternatively, aluminum sulfate is reacted with potassium sulfate.

Flammability and Explosibility

Non flammable

Pharmaceutical Applications

Potassium alum precipitates proteins and is a powerful astringent. The ability to precipitate proteins is utilized in the manufacture of vaccines, where purified proteins are coprecipitated with and adsorbed onto potassium alum.
Potassium alum is often included in preparations used as mouthwashes or gargles and in dermatological preparations, and it may be used as a topical hemostatic, either as a solid or as a solution. Intravesical instillation of potassium alum, typically as a 1% solution, has been used for hemorrhagic cystitis.

Safety

Potassium alum is often included in preparations used as mouthwashes or gargles and in dermatological preparations.
Large doses of potassium alum act as an irritant and may be corrosive; gum necrosis and gastrointestinal hemorrhage have occurred. Acute encephalopathy has been reported following bladder irrigation with alum solutions in the treatment of bladder hemorrhage. Anecdotal evidence suggests that this practice should be avoided for patients with renal insufficiency.

storage

Store in a cool, dry place in tightly closed containers. Stable under normal temperatures and pressures. When kept for a long time at 60–65°C (or over sulfuric acid) potassium alum dodecahydrate loses water, which is reabsorbed on exposure to air. It becomes anhydrous at about 200°C.

Incompatibilities

Potassium alum is incompatible with strong oxidizing agents, aluminum, copper, steel, and zinc. When it is dispensed in powders with phenol, salicylates, or tannic acid, gray or green colors may be developed owing to traces of iron in the alum.

Regulatory Status

GRAS listed. Included in the FDA Inactive Ingredients Database (vaginal; suppository). Included in medicines licensed in the UK.

ALUMINUM POTASSIUM SULFATE Preparation Products And Raw materials

Global Suppliers ( 163)
Supplier Tel Email Country ProdList Advantage
Beijing HwrkChemical Technology Co., Ltd 89508211 18501085097 sales.bj@hwrkchemical.com China 9407 55
Adamas Reagent, Ltd. 400-6009262 15618770481 yhx@titansci.com China 14098 59
Shanghai Meishui Chemical Technology Co., Ltd 021-60549325 18616193163 China 4518 56
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66028182 17714375163 yftan@aikonchem.com China 16674 50
Hubei Jusheng Technology Co.,Ltd 027-59599241 18871490274 1400878000@qq.com China 9506 58
Chizhou Kailong Import and Export Trade Co., Ltd. xg01_gj@163.com China 9413 50
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
JinJin Le Chemical Co., Ltd 18001959627(微信同号) 18001959627 jjlchem2@163.com China 9890 58
Rhawn Reagent 400-400-1332688 18019345275 huyue@rhawn.cn China 14942 58
Shanghai Haohong Pharmaceutical Co., Ltd. 400-8210725 400821072 malulu@leyan.com China 24933 58

View Latest Price from ALUMINUM POTASSIUM SULFATE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
ALUMINUM POTASSIUM SULFATE pictures 2026-09-15 ALUMINUM POTASSIUM SULFATE
10043-67-1
$75.00-100.00 1kg 99% 5000Ton HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
ALUMINUM POTASSIUM SULFATE pictures 2026-08-26 ALUMINUM POTASSIUM SULFATE
10043-67-1
$3.00-1600.00 10kg 99% 300 tons Hebei Dangtong Import and export Co LTD
Aluminum Potassium Sulfate pictures 2026-05-28 Aluminum Potassium Sulfate
10043-67-1
$11.00 1ASSAYS 99% 10000kg Hebei Chuanghai Biotechnology Co,.LTD

ALUMINUM POTASSIUM SULFATE Spectrum

ALUMINUM POTASSIUM SULFATE ALUM POTASSIUM alum,n.f. aluminiumpotassiumbis(sulfate) aluminumpotassiumalum aluminumpotassiumdisulfate exsiccatedalum potassiumaluminiumsulfate,anhydrous potassiumaluminumsulfate(1:1:2) Potassiumaluminumsulfate,anh Sulfuricacid,aluminumpotassiumsalt(2:1:1) aluminumpotassiumsulfate(alk(so4)2) aluminumpotassiumsulfate(kal(so4)2) aluminumpotassiumsulfate,alum aluminumpotassiumsulfate,anhydrous aluminumpotassiumsulfatealum burntalum burntpotassiumalum dialuminumdipotassiumsulfate aluminium potassium bis(sulphate) driedalum Aluminum potassium sulfate sesquihydrate AluminiumPotassiumSulphateFcc AluminiumPotassiumSulphateAr AluminiumPotassiumSulphateAcs Kaliumalaun Sulfuric acid, aluminum potassium salt POTASSIUM ALUMINIUM SULFATE CALCINED, POWDER Potassium aluminum sulfate sesquihydrate Alminum potassium sulfate Sulfuric acid/aluminum/potassium,(2:1:1) salt Aluminium potassium sulfate, anhydrous Aluminium Potassium Anhydrous Aluminium potassium solfate。 Anhydlrous 2-Methyl-106-nitrobenzyl&chloride Potassium Aluminum Sulfate,AR Potassium Aluminium Sulfate|||APS Aluminium potassium sulfate aqueous solution ALUMINIUM POTASSIUM SULPHATE ALUMINIUM POTASSIUM SULFATE POTASSIUM ALUMINUM SULFATE Alum anhydrous Potassium alum anhydrous 10043-67-1 10043-67-7 K2SO4Al2SO43 KAlSO4215H2O KAlSO42 AlKSO42 Inorganics