Description

Aluminum Hydroxide Sulfate, Pentahydrate is an inorganic salt with the chemical formula Al(OH)SO₄·5H₂O, commonly identified by CAS 12408-53-6. This compound serves as a versatile intermediate and functional additive, valued for its aluminum and sulfate content in various synthesis and treatment processes. It is primarily sought by manufacturers in the water treatment, paper production, and specialty chemical synthesis industries for its role as a coagulant aid and precursor.

Application

• Water Treatment & Purification: Acts as a coagulant and flocculant aid in municipal and industrial wastewater treatment to remove suspended solids and phosphates.
• Paper Manufacturing: Used in the production of paper and paperboard as a sizing agent and retention aid to improve sheet formation and water resistance.
• Catalyst & Chemical Synthesis: Serves as a precursor or catalyst in the synthesis of other aluminum-based chemicals and specialty inorganic compounds.
• Textile Processing: Employed as a mordant in dyeing processes to improve color fastness and fabric quality.
• Construction Materials: Incorporated into certain cement formulations and fire-retardant materials for its chemical properties.
• Leather Tanning: Used in the tanning industry as an auxiliary chemical for processing hides.

Basic Information

Product Name	Aluminum Hydroxide Sulfate, Pentahydrate
CAS No.	12408-53-6
Molecular Formula	Al(OH)SO₄·5H₂O
Molecular Weight	252.15 g/mol (approx.)
Synonyms	Aluminum Hydroxide Sulfate Pentahydrate; Aluminum Basic Sulfate Pentahydrate; Sulfuric Acid, Aluminum Hydroxide Salt, Pentahydrate; Basic Aluminum Sulfate Pentahydrate; Aluminium Hydroxide Sulphate Pentahydrate; Aluminum Sulfate Hydroxide Pentahydrate; Al(OH)SO4·5H2O
EINECS	Contact for details

Quality Control

Our Aluminum Hydroxide Sulfate, Pentahydrate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, chemical identity, and physical properties. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profiles, and loss on drying is provided with every shipment to guarantee it meets your specific application requirements.

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 such as strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or lumps
Identification (IR)	Conforms to standard
Assay (Al2O3 basis)	≥ 30.0 %
Loss on Drying	≤ 35.0 %
Water Insoluble Matter	≤ 0.5 %
Chloride (Cl)	≤ 0.01 %
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 0.01 %

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