Magnesium Hydroxide ACS

$26.40
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Magnesium Hydroxide ACS Current
Magnesium Hydroxide Technical From $19.80
Quantity
In Stock — ready to ship from our Taylor, TX warehouse Order by Mon-Thu 1 PM CT / Fri 12 PM CT — ships in 1–2 business days If it’s listed, it’s on our shelf. No backorders, no 4-week lead times. Why
Temporarily unavailable This item isn’t ready to ship right now. Call 512-365-6838 for restock timing.
  • No hazmat fees — hazmat ships at standard rates
  • Drums, totes & pails ship LTL freight — liftgate delivery available
  • PO / Net 30 for approved businesses · tax-exempt ordering supported
  • Documents: SDS · TDS · COA
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$26.40
Quantity
In Stock — ready to ship from our Taylor, TX warehouse Order by Mon-Thu 1 PM CT / Fri 12 PM CT — ships in 1–2 business days If it’s listed, it’s on our shelf. No backorders, no 4-week lead times. Why
Temporarily unavailable This item isn’t ready to ship right now. Call 512-365-6838 for restock timing.
  • No hazmat fees — hazmat ships at standard rates
Customers Also Use

Customers who purchased Magnesium Hydroxide ACS also bought:

Sodium Hypochlorite 10%
From $18.50
CAS: 7681-52-9 ClNaO
Sodium Hypochlorite 12.5%
From $18.95
CAS: 7681-52-9 ClNaO
CAS: 1336-21-6 H5NO
CAS: 1336-21-6 H5NO

Magnesium Hydroxide ACS

$26.40

Product quick facts

CAS 1309-42-8H2MgO2

Magnesium Hydroxide ACS (CAS 1309-42-8) is an ACS reagent-grade solid with molecular formula H2MgO2 and a molecular weight of 58.320 g/mol, meeting American Chemical Society specifications for analytical use. Alliance Chemical supplies this product in 3 sizes from 2 lbs. to 55 Lbs. with 1-2 business day shipping from Taylor, TX on in-stock orders, plus SDS and lot-specific Certificate of Analysis.

  • Pack sizes 3 sizes (2 lbs. to 55 Lbs.)
  • Purity / spec ACS Reagent Grade
  • Lead time In-stock orders placed by Mon-Thu 1 PM CT / Fri 12 PM CT typically ship within 1-2 business days.
  • SDS / COA Download SDS; lot-specific COA available on request.
  • Regional availability View state-by-state shipping pages

Quick Answer

What is Magnesium Hydroxide ACS used for, and what should buyers verify before ordering?

Magnesium Hydroxide ACS is supplied at 99-100.5% in ACS Grade with UN 1760, DOT Class 8 . Buyers should confirm pack size, grade, SDS, COA needs, and freight requirements before purchase.

  • Assay: 99-100.5%
  • Grade: ACS Grade
  • UN number: UN 1760
  • DOT class: 8
  • Documents: SDS and lot-specific COA support
  • Shipping: UPS for small packs; LTL/FTL for pails, drums, totes, and bulk orders

Commercial Fulfillment Snapshot

Buy Magnesium Hydroxide ACS with faster decisions and fewer back-and-forth emails.

In-stock orders placed before 1:00 PM CT (Mon-Thu) and before 12:00 PM CT (Fri) typically ship within 1-2 business days. Order online 24/7.

Technical Documents

Live, always-current docs · lot-specific COA issued per shipment batch.

Who Buys This
  • Water treatment facilities
  • Pharmaceutical manufacturers
  • Flame retardant producers
  • Chemical processing companies
  • Research laboratories
Purity / Grade Guide
  • ACS Reagent Grade certified
  • Meets American Chemical Society specs
  • Suitable for analytical & lab work
  • Certificate of Analysis with each lot
Pack Sizes
  • 2 lb: bench & testing
  • 5 lb: shop & formulating
  • 55 lb: bulk, best $/lb
Small Packs: UPS Ground nationwide for pints, quarts, and gallons.
LTL / FTL: ABF, SEFL, Saia, XPO, and partner carriers for pails, drums, totes, and full truckloads.
Support: Email or call for freight options, hazardous-material routing, and lead-time confirmation.

Why Magnesium Hydroxide ACS

Magnesium Hydroxide ACS is an analytical-grade, fine white crystalline powder that strictly meets the stringent purity specifications established by the American Chemical Society. Technical buyers select this exact solid grade when trace element limits must be tightly controlled, such as during sensitive chemical synthesis, precise environmental testing, or specialized metal processing. By sourcing this compound in a dry powder form rather than a pre-mixed liquid solution, facility operators maintain complete operational control over dilution ratios. This flexibility enables water treatment professionals and chemical formulators to build custom alkaline slurries tailored to their unique system requirements. Furthermore, the inherently low water solubility of this opaque solid ensures a gradual, measured release of alkalinity. This controlled reaction prevents the rapid, dangerous pH spikes often associated with more aggressive caustic materials during complex neutralization sequences.

Best Applications for This Grade

  • Commonly applied in advanced environmental wastewater neutralization operations, where the dry powder is mechanically agitated on-site to create distinct slurry concentrations, providing reliable, sustained pH buffering across fluctuating acidic effluent flows.
  • Commonly applied in precise heavy metal precipitation applications within metal processing facilities, capitalizing on the rigid trace-metal limits of the ACS grade to ensure zero unmapped contaminants enter the recovery stream.
  • Commonly applied in laboratory-scale chemical synthesis and analytical testing environments that demand a guaranteed, reproducible magnesium source matching exact stoichiometric requirements without introducing reactive impurities.
  • Commonly applied in the manufacturing of specialty chemical cleaners and complex soap formulations where operators require a steady, mild alkaline chemical component that maintains physical stability in its dry state prior to formulation.

When to Choose a Different Grade

  • If the project involves large-scale industrial wastewater treatment, bulk gas scrubbing, or general manufacturing where demanding analytical purity parameters are unnecessary, choose Magnesium Hydroxide Technical to achieve targeted, cost-effective base additions.
  • If the facility lacks the mechanical blending equipment required to actively convert fine crystalline powders into suspended slurries, evaluate ready-to-use liquid caustic solutions to streamline automated dosing procedures and bypass dry material handling constraints.
  • If the underlying chemical formulation explicitly demands immediate and total solubility in aqueous systems or alcohol bases, operators must source a different alkaline compound, as this specific chemical features distinctly low water solubility and is completely insoluble in alcohol.
Property Value
Molecular Weight 58.44
Formula Mg(OH)2
Assay 99-100.5%
Grade ACS Grade
Form Solid
Solubility Slightly soluble in water
Appearance White powder
Melting Point 350 °C (decomposes)
Boiling Point 350°C (662°F)
Specific Gravity 2.36
Industry Pharmaceutical, Water Treatment, Industrial, Chemical Manufacturing

Frequently Asked Questions About Magnesium Hydroxide ACS

What is Magnesium Hydroxide ACS and what is its chemical formula?
Magnesium Hydroxide ACS is a chemical compound with the molecular formula H2MgO2, registered under CAS Number 1309-42-8 by the Chemical Abstracts Service (PubChem), with a molecular weight of 58.320 g/mol. Alliance Chemical supplies Magnesium Hydroxide ACS in ACS reagent grade for laboratory, industrial, and commercial applications.
What are the physical properties of Magnesium Hydroxide ACS?
As supplied by Alliance Chemical, Magnesium Hydroxide ACS is supplied as a solid with a fine white crystalline powder, opaque appearance. It has a melting point of 350 °C (decomposes), a boiling point of 350°C (662°F), a flash point of N/A. The specific gravity is 2.36 relative to water. Solubility: Low water solubility, insoluble in alcohol.
What grade and purity of Magnesium Hydroxide ACS does Alliance Chemical offer?
Alliance Chemical offers Magnesium Hydroxide ACS in ACS reagent grade. A lot-specific Certificate of Analysis (COA) is available for every shipment, and each product ships with a Safety Data Sheet (SDS) prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and GHS Revision 7. Download SDS.
What are common industrial applications of Magnesium Hydroxide ACS?
Magnesium Hydroxide ACS serves a wide range of sectors, including Industrial & Manufacturing, and Water & Environmental.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.
What are the hazards of Magnesium Hydroxide ACS and where do I find handling guidance?
Per its GHS classification (SDS Section 2), Magnesium Hydroxide ACS the following hazard statements: NOT CLASSIFIED AS HAZARDOUS UNDER GHS BASED ON AVAILABLE DATA.. Product-specific first aid, fire-fighting, spill response, handling, storage, exposure controls/PPE, and disposal guidance are in SDS Sections 4-8 and 13 — always consult the SDS before use. Download the SDS.
How must Magnesium Hydroxide ACS waste be disposed?
Disposal per RCRA (40 CFR 261-265): the waste characterization under 40 CFR 261 is the generator's responsibility — see SDS Section 13 for product-specific guidance. Generator requirements: EPA ID number required if >100 kg/month (40 CFR 262.12). Use an EPA-permitted Treatment, Storage, Disposal Facility (TSDF). Never discharge to sewer without POTW written approval (40 CFR 403). Container disposal: triple rinse (40 CFR 261.7), offer for reconditioning/recycling. State regulations may be more stringent — check with your local environmental agency.
Does Alliance Chemical provide an SDS and COA for Magnesium Hydroxide ACS?
Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Magnesium Hydroxide ACS. The SDS is prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and the Globally Harmonized System (GHS) Revision 7, covering all 16 required sections including hazard identification, first aid measures, firefighting measures, handling and storage, exposure controls, and regulatory information. The SDS is available for download directly from this product page. COAs are available upon request by contacting Alliance Chemical at 512-365-6838.