Magnesium Hydroxide 99% Letterbox Friendly Pouch




*Please note the density of this product may prevent the 500gm pouch from fitting through some letterboxes

Magnesium hydroxide is the inorganic compound with the chemical formula Mg(OH)2. It occurs in nature as the mineral brucite. It is a white solid with low solubility in water. Magnesium hydroxide is a common component of antacids, such as milk of magnesia.

Minimum Assay: 99%
Molecular Formula: Mg(OH)2 
Molecular Weight: 58.32 g/mol

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 1309-42-8
Einecs No: 215-170-3

HS CODE: 2816100000


Following the UK’s departure from the EU on 1 January 2021, all European shipments are sent on a DAP Basis (Delivered at Place).

This means that the buyer will be liable for import VAT at their prevailing national rate and for orders over 150€ (including carriage) import duties will become chargeable at your prevailing national rate.

The Duty is ascertained by your national customs authority based on the HS Code of each product. The HS Code is shown in the “European Shipment” section of each product page.


Additional information

Weight N/A
Pack Size

100gm, 250gm, 500gm