MAGNESIUM HYDROXIDE

MAGNESIUM HYDROXIDE Extra Pure

Conforms to BP, IP specification
Milk of magnesia

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

MSDS

Certificate of Analysis (COAs)

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

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%