Aluminum sulfate hexadecahydrate
Aluminum sulfate hexadecahydrate (CAS: 16828-11-8) is an inorganic salt with the chemical formula Al2(SO4)3 · 16H2O and a molecular weight of 630.40 g/mol. This compound is recognised for its utility in various industrial and laboratory applications, particularly where a source of soluble aluminum is required. It functions as a flocculant and precipitant in water treatment and finds use in paper manufacturing and as a mordant in dyeing.
Water Treatment
Utilised as a primary flocculant in municipal and industrial water purification processes. It effectively aids in the removal of suspended solids and impurities by forming gelatinous precipitates.
Paper Industry
Serves as a sizing agent in papermaking. It works in conjunction with rosin to improve water resistance and printability of paper products.
Dyeing and Textiles
Functions as a mordant in textile dyeing, helping to fix dyes to fabrics. This results in improved colour fastness and vibrancy.
Chemical Synthesis
Employed as a source of aluminum ions in various chemical synthesis reactions and laboratory research settings. Its hydrated form offers convenient handling for certain processes.
| Molecular weight | 630.40 |
|---|---|
| Linear formula | Al2(SO4)3 · 16H2O |
| Assay | ≥95.0% (KT) |
| Grade | LRVetec™ |
| pH | 3.0-4.0 (25 °C, 50 mg/mL in H2O) |
Hazard statements
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Transport (UN / ADR) | UN 3077 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 41 |
| Safety statements (S) | 26-39 |
| Cation traces | Ca: ≤100 mg/kgCd: ≤50 mg/kgCo: ≤50 mg/kgCu: ≤50 mg/kgFe: ≤100 mg/kgK: ≤100 mg/kgNa: ≤500 mg/kgNi: ≤50 mg/kgPb: ≤50 mg/kgZn: ≤50 mg/kg |
| Anion traces | chloride (Cl-): ≤100 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Aluminum sulfate hexadecahydrate used for?
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Aluminum sulfate hexadecahydrate is commonly used in water treatment as a flocculant, in the paper industry as a sizing agent, and as a mordant in textile dyeing. It also finds application in chemical synthesis and laboratory research.
What are the CAS number and formula for Aluminum sulfate hexadecahydrate?
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The CAS number for Aluminum sulfate hexadecahydrate is 16828-11-8, and its chemical formula is Al2(SO4)3 · 16H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Aluminum sulfate hexadecahydrate in LR (Laboratory Reagent) grade with an assay of ≥95.0% (KT). We do not represent this product as USP, BP, or EP grade.
How should Aluminum sulfate hexadecahydrate be handled safely?
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Aluminum sulfate hexadecahydrate is labelled with GHS05 and carries a Danger signal word, indicating it causes serious eye damage (H318). Always wear appropriate personal protective equipment, including eye protection (P280, P305+P351+P338), when handling this chemical. Avoid dust formation and ensure adequate ventilation.
How is this chemical packed and shipped?
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This chemical is packed and shipped in compliance with transport regulations, classified under UN 3077 as Environmentally Hazardous Substance, Solid, N.O.S. (Aluminum sulfate), 9, PGIII. Tech Serve Solutions exports fine chemicals globally.
How can I request a sample or quote?
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To request a sample or a quote for Aluminum sulfate hexadecahydrate, please contact our sales department through the website or by phone. Our team will be pleased to assist you.
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