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