Description

Aluminum:Potassium:Disulfate:Dodecahydrate CAS NO 54189-68-3 is a high-purity inorganic salt, also known as potassium aluminum sulfate dodecahydrate. This compound is valued for its consistent quality and reliable performance in demanding industrial and technical applications. It serves as a critical raw material for manufacturers in the water treatment, paper production, and specialty chemical synthesis sectors.

Application

• Water Purification & Treatment: Acts as a highly effective coagulating and flocculating agent for the clarification of drinking water and industrial wastewater.
• Paper Manufacturing: Used in the sizing process to improve paper's resistance to water and ink, enhancing print quality and sheet strength.
• Textile Industry: Serves as a mordant in dyeing processes, helping to fix colors onto fabrics and improve colorfastness.
• Cosmetics & Personal Care: Employed as an astringent and hardening agent in the formulation of certain deodorants and styptic pencils.
• Leather Tanning: Utilized in the aluminum tanning process to produce white, pliable leather with good thermal stability.
• Food Additive (where compliant): Functions as a firming agent and stabilizer in certain food products under applicable regulatory frameworks (e.g., FCC grade).
• Laboratory Reagent: Used in analytical chemistry and educational settings for crystal growth experiments and various chemical reactions.
• Fire Retardant Formulations: Incorporated into materials to impart flame-resistant properties.

Basic Information

Product Name	Aluminum:Potassium:Disulfate:Dodecahydrate
CAS No.	54189-68-3
Molecular Formula	AlK(SO₄)₂·12H₂O
Molecular Weight	474.39 g/mol
Synonyms	Potassium Aluminum Sulfate Dodecahydrate; Aluminum Potassium Sulfate 12-Hydrate; Potassium Alum; Potash Alum; Alum, Potassium; Sulfuric Acid, Aluminum Potassium Salt (2:1:1), Dodecahydrate; Kalinite; KAl(SO4)2.12H2O
EINECS	233-141-3

Quality Control

Our Aluminum:Potassium:Disulfate:Dodecahydrate is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and physical properties. Certificates of Analysis (COA) documenting these results are provided to guarantee traceability and batch-to-batch consistency. We can supply grades compliant with various industry standards, including technical, reagent, and FCC, upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in its original, sealed packaging until use to prevent caking and degradation due to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless, transparent crystals or white crystalline powder
Identification (IR)	Conforms
Assay (AlK(SO₄)₂·12H₂O)	≥ 99.0 %
pH (5% Solution)	2.5 - 4.0
Water Insoluble Matter	≤ 0.05 %
Chloride (Cl)	≤ 0.005 %
Ammonium (NH₄)	≤ 0.005 %
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 0.002 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.