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 | 12352200 |