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MAGNESIUM HYDROXIDE Extra Pure

Conforms to BP, IP specification
Milk of magnesia

COAs

Packings

1000 g (01000)

1PW1204000
Print friendly version
Article No. 4469H Grade Extra Pure
Purity 95% CAS No. 1309-42-8
Molecular Formula Mg(OH)2 Molecular Weight 58.53
H.S. Code 2816.1010 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White powder
Odour Odorless pH value 9.5 - 10.5
Melting point/ Freezing point [°C] 350°C Density [g/cm3] 2.36
Solubility in water [% weight] Insoluble in water

Specifications

Appearance White powder Assay (complexometric) 95 - 100.5%
Identity Passes test Appearance of solution Passes test
Substance soluble in water Max 1% Substance insoluble in acetic acid Max 0.1%
Chloride (Cl) Max 0.1% Sulphate (SO4) Max 0.5%
Heavy metal (as Pb) Max 0.003% Arsenic (As) Max 0.0004%
Calcium (Ca) Max 1.5% Loss on ignition (at 900°C) 30 - 32.5%
Iron (Fe) Max 0.07%

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
 Signal Word: Warning
 Hazardous Statement: H315-H319-H335
 Precaution Statement: P261-P305 + P351 + P338
Revision Date: 06-Aug-2014

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