Magnesium hydroxide
SIAL/63081 - BioUltra, ≥99.0% (KT)
Synonym: Magnesium dihydroxide; Mg(OH)2
CAS Number: 1309-42-8
Empirical Formula (Hill Notation): H2MgO2
Molecular Weight: 58.32
EC Number: 215-170-3
MDL Number: MFCD00011104
Linear Formula: Mg(OH)2
Product Type: Chemical
| λ | 0.1 M in 5 M HCl |
| anion traces | chloride (Cl-): ≤500 mg/kg |
| sulfate (SO42-): ≤1000 mg/kg | |
| assay | ≥99.0% (KT) |
| cation traces | As: ≤0.1 mg/kg |
| Ba: ≤10 mg/kg | |
| Bi: ≤50 mg/kg | |
| Ca: ≤5000 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤100 mg/kg | |
| K: ≤50 mg/kg | |
| Li: ≤5 mg/kg | |
| Mn: ≤10 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤100 mg/kg | |
| Ni: ≤100 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤10 mg/kg | |
| Zn: ≤5 mg/kg | |
| impurities | Insoluble matter, passes filter test |
| InChI | 1S/Mg.2H2O/h;2*1H2/q+2;;/ |
| InChI key | VTHJTEIRLNZDEV-UHFFFAOYSA |
| mp | 350 °C (lit.) |
| product line | BioUltra |
| Quality Level | 200  |
| SMILES string | O[Mg]O |
| solubility | 5 M HCl: 0.1 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: 0.030 |
| λ: 280 nm Amax: 0.025 |
| Application: | Magnesium hydroxide is used as a dietary supplement to study its effects on the absorbtion of factors such as folic acid and iron and the release of the peptide hormone cholecystokinin (CCK). |
| General description: | Magnesium hydroxide is commonly used as a non-systemic antacid for treating acid-peptic disorders. It helps in the treatment kidney stones patients by reducing the recurrence rate. |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | nwg |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% (KT) |
| mp | 350 °C (lit.) |
| UNSPSC | 12352303 |