Certificate of Analysis
Product Name
MAGNESIUM HYDROXIDE 95% Extra Pure
CAS Number
1309-42-8
Molecular Formula
Mg(OH)2
Catalogue No.
AL00920
Molecular Weight
58.32 g/mol
Batch Number
AL-2026-AL00920
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Description | White powder | White powder |
| Assay | 95.0-100.5% | 96.1% |
| Loss on ignition at 900°C | 30-32.5% | 31.1% |
| Appearance of solution | Passes test | Passes test |
| Substance soluble in water | <1.0% | 0.5% |
| Substance insoluble in acitic acid | <0.15% | 0.1% |
| Impurities with alkaline reaction | Passes test | Passes test |
| Carbonate | Passes test | Passes test |
| Chloride (Cl) | <0.1% | <0.1% |
| Sulphate (SO4) | <0.5% | 0.36% |
| Heavy metals (as Pb) | <0.001% | <0.001% |
| Copper (Cu) | Passes test | Passes test |
| Arsenic (As) | <0.002% | 0.001% |
| Calcium | <0.5% | 0.4% |
| Iron (Fe) | <0.05% | <0.05% |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane