Magnesium Hydroxide
White, fine powder · CAS 1309-42-8
Overview
Magnesium Hydroxide (CAS 1309-42-8) is one of the salts & minerals products Suraj Chemicals supplies to industrial, institutional and manufacturing buyers across India from our Chennai base. It is commonly used for acid-neutralisation and ph-correction in industrial wastewater treatment; antacid ("milk of magnesia") and laxative formulations; halogen-free flame-retardant filler in plastics and cables, among other applications in the salts & minerals category. We pack Magnesium Hydroxide in 25 kg 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 (Mg(OH)2) | 95% Min |
| Moisture | 1% Max |
| pH (5% Suspension) | 9.5 – 10.5 |
| Particle Size (325 Mesh Pass) | 98% Min |
| Heavy Metals (as Pb) | 20 ppm Max |
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
- Acid-neutralisation and pH-correction in industrial wastewater treatment
- Antacid ("milk of magnesia") and laxative formulations
- Halogen-free flame-retardant filler in plastics and cables
- Flue-gas desulphurisation (SO2 scrubbing) reagent
Frequently Asked Questions
What is Magnesium Hydroxide?
Magnesium Hydroxide is supplied by Suraj Chemicals as white, fine powder, identified by CAS number 1309-42-8. It falls under our Salts & Minerals range — see the Specification Sheet table above for its full characteristics.
What is Magnesium Hydroxide used for?
Typical applications include: Acid-neutralisation and pH-correction in industrial wastewater treatment; Antacid ("milk of magnesia") and laxative formulations; Halogen-free flame-retardant filler in plastics and cables; Flue-gas desulphurisation (SO2 scrubbing) reagent.
How should Magnesium Hydroxide be stored and handled?
Store in a cool, dry place; non-combustible, mildly alkaline.
What packaging and pack sizes does Suraj Chemicals supply Magnesium Hydroxide in?
25 kg bags. Contact us if you need a different pack size, or a bulk/tanker quantity.
What is the shelf life of Magnesium 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 Magnesium Hydroxide hazardous to handle?
Yes — Magnesium Hydroxide is alkaline (pH 9.5 – 10.5) and can irritate skin and eyes on direct contact; combustible and should be kept away from heat and ignition sources. Follow the storage and handling guidance above, use appropriate PPE, and download the Safety Data Sheet (SDS/MSDS) in the sidebar above for full GHS hazard, handling and PPE details.
Is a Specification Sheet, TDS or MSDS available for Magnesium Hydroxide?
Yes — a downloadable Specification Sheet (PDF) with full characteristics and specifications is available above, and a downloadable Safety Data Sheet (SDS/MSDS) for Magnesium Hydroxide is also available above.
Can I get a sample or discuss order quantity for Magnesium 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 Magnesium Hydroxide.