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Magnesium Hydroxide 95% Extrapure
Conforms to BP, IP specification Milk of magnesia

Product Code.
01595
Grade
Extrapure
Purity
95%
CAS No.
1309-42-8
Molecular Formula
Mg(OH)2
Molecular Weight
58.53
H.S.Code
2816.10100
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

Packaging

Specification

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

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338