Description

Aluminum Ammonium Sulfate is an inorganic salt with the CAS registry number 15710-63-1. This compound is valued for its dual functionality as a source of aluminum and ammonium ions, making it a versatile reagent and processing aid in various industrial and technical applications. It is primarily utilized by manufacturers in the chemical synthesis, water treatment, and specialty materials sectors.

Application

• Water Treatment & Purification: Acts as a coagulant and flocculant for the removal of suspended solids and phosphates in industrial wastewater.
• Chemical Synthesis: Serves as a precursor or catalyst in the production of other aluminum compounds and specialty chemicals.
• Fire Retardants: Used as a component in formulations for fireproofing textiles, wood, and other materials.
• Paper Manufacturing: Functions as a mordant in dyeing processes and as a sizing agent to improve paper quality.
• Leather Tanning: Employed in the tanning process to help stabilize collagen fibers.
• Laboratory Reagent: Used in analytical chemistry and research as a standard or reagent for specific tests.
• Ceramics & Pigments: Acts as a flux in ceramic glazes and as a component in certain inorganic pigment formulations.

Basic Information

Product Name	Aluminum Ammonium Sulfate
CAS No.	15710-63-1
Molecular Formula	AlNH4(SO4)2 · 12H2O
Molecular Weight	453.33 g/mol (Dodecahydrate)
Synonyms	Ammonium Aluminum Sulfate; Ammonium Alum; Aluminum Ammonium Sulfate Dodecahydrate; Ammonium Aluminum Sulfate Dodecahydrate; Alum Ammonium; Ammonia Alum; Tschermigite; EINECS 239-795-5
EINECS	239-795-5

Quality Control

Our Aluminum Ammonium Sulfate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available 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 a dry environment to prevent caking and degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White crystalline solid or powder
Identification (IR)	Conforms
Assay (AlNH4(SO4)2·12H2O)	≥ 98.0 %
pH (5% solution)	2.5 - 3.5
Water Insoluble Matter	≤ 0.05 %
Chloride (Cl)	≤ 0.005 %
Iron (Fe)	≤ 0.002 %
Heavy Metals (as Pb)	≤ 0.001 %

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