Aluminium Hydroxide
White, fine crystalline powder, odourless · CAS 21645-51-2
Overview
Aluminium Hydroxide (CAS 21645-51-2) is one of the metal salts & inorganic compounds products Suraj Chemicals supplies to industrial, institutional and manufacturing buyers across India from our Chennai base. It is commonly used for flame-retardant and smoke-suppressant filler in plastics, rubber and cable compounds; raw material for activated alumina and other aluminium-chemical manufacture; filler in paper, paints and ath-based composite formulations, among other applications in the metal salts & inorganic compounds category. We pack Aluminium Hydroxide in 25/50 kg HDPE bags, and can arrange bulk, drum or tanker quantities for larger requirements — full characteristics, applications and downloadable documentation are below, or you can request a quote directly.
Specification Sheet — Characteristics
Download Specification Sheet (PDF)| Characteristics | Specifications |
|---|---|
| Assay (Al(OH)3) | 99.0% Min |
| Loss on Ignition | 34.0 – 35.0% |
| Fe2O3 Content | 0.03% Max |
| Na2O Content | 0.3% Max |
| Whiteness | 90% Min |
Values above are well-established typical/standard specification properties for this product, compiled from published technical references — not a batch-specific lab report. Figures can vary batch to batch — request a current certificate of analysis with your order.
Applications
- Flame-retardant and smoke-suppressant filler in plastics, rubber and cable compounds
- Raw material for activated alumina and other aluminium-chemical manufacture
- Filler in paper, paints and ATH-based composite formulations
Frequently Asked Questions
What is Aluminium Hydroxide?
Aluminium Hydroxide is supplied by Suraj Chemicals as white, fine crystalline powder, odourless, identified by CAS number 21645-51-2. It falls under our Metal Salts & Inorganic Compounds range — see the Specification Sheet table above for its full characteristics.
What is Aluminium Hydroxide used for?
Typical applications include: Flame-retardant and smoke-suppressant filler in plastics, rubber and cable compounds; Raw material for activated alumina and other aluminium-chemical manufacture; Filler in paper, paints and ATH-based composite formulations.
How should Aluminium Hydroxide be stored and handled?
Store in a dry, covered area away from strong acids and alkalis.
What packaging and pack sizes does Suraj Chemicals supply Aluminium Hydroxide in?
25/50 kg HDPE bags. Contact us if you need a different pack size, or a bulk/tanker quantity.
What is the shelf life of Aluminium Hydroxide?
Typically around 24 months from date of manufacture when stored in original, unopened packaging under normal warehouse conditions, consistent with standard industry practice for this class of chemical. As with any industrial chemical, request the current batch's manufacturing date and a fresh certificate of analysis for orders where exact remaining shelf life matters.
Is Aluminium Hydroxide hazardous to handle?
No specific hazard is flagged for Aluminium Hydroxide beyond standard industrial chemical handling precautions. We still recommend you download the Safety Data Sheet (SDS/MSDS) in the sidebar above for full GHS hazard, handling and PPE details, as good practice for any industrial chemical.
Is a Specification Sheet, TDS or MSDS available for Aluminium Hydroxide?
Yes — a downloadable Specification Sheet (PDF) with full characteristics and specifications is available above, and a downloadable Safety Data Sheet (SDS/MSDS) for Aluminium Hydroxide is also available above.
Can I get a sample or discuss order quantity for Aluminium Hydroxide?
Yes — use the Request Price & Availability button or WhatsApp us with your required quantity, and our team will confirm pricing, minimum order quantity, sample availability and delivery timelines for Aluminium Hydroxide.