magnesium(2+) ion dioxidanide

• ChemBase ID: 107130
• Molecular Formular: MgO2
• Molecular Mass: 56.3038
• Monoisotopic Mass: 55.97487094
• SMILES: [Mg+2].[OH-].[OH-]
• Canonical SMILES: [OH-].[OH-].[Mg+2]
• InChI: InChI=1S/Mg.2H2O/h;2*1H2/q+2;;/p-2
• InChIKey: VTHJTEIRLNZDEV-UHFFFAOYSA-L

NAMES AND DATABASE IDS

Names

• IUPAC name: magnesium(2+) ion dioxidanide; magnesium(2+) ion dihydroxide
• IUPAC Traditional name: magnesium(2+) ion dioxidanide; magnesium(2+) ion dihydroxide
• Synonyms: MAGNESIUM HYDROXIDE; Magnesium hydroxide; Milk of magnesia; 氢氧化镁

Database IDs

• CAS Number: 1309-42-8
• EC Number: 215-170-3
• MDL Number: MFCD00011104
• Merck Index: 145670
• PubChem SID: 162094849
• PubChem CID: 73981; 14791
• CHEBI ID: 6637
• ATC CODE: G04BX01; A02AA04
• CHEMBL: 1200718
• Chemspider ID: 14107
• Unique Ingredient Identifier: NBZ3QY004S
• Wikipedia Title: Magnesium_hydroxide

CALCULATED PROPERTIES

• Acid pKa: 15.7
• H Acceptors: 1
• H Donor: 1
• LogD (pH = 5.5): -0.652
• LogD (pH = 7.4): -0.652
• Log P: -0.652
• Molar Refractivity: 13.9149 cm^3
• Polarizability: 1.1434737 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 0.0014 g/100 mL in water; Soluble in dilute acids. Practically insoluble in water
• Apperance: Powder; White solid
• Melting Point: 350 °C (decomp.); 360°Cdec
• Flash Point: Non-flammable
• Density: 2.3446 g/cm^3; 2.36
• Refractive Index: 1.559
• Odor: odorless
• Std enthalpy of formation: -925 kJ·mol^-1
• Std molar entropy: 64 J·mol^-1·K^-1
• Solubility Product (Ksp): 1.5×10^-11

Safety Information

• Storage Warning: Air Sensitive
• RTECS: OM3570000
• European Hazard Symbols: Flammable (F); Irritant (Xi)
• Risk Statements: 36/37/38; R:15-17
• Safety Statements: 26-37-60; S:7/8
• TSCA Listed: 是
• EU Index: Not listed
• GHS Pictograms: GHS07
• NFPA704:
  

  0

  1

  0
• LD50: 8500 mg/kg (rat, oral)
• GHS Hazard statements: H315-H319-H335
• GHS Precautionary statements: P261-P305+P351+P338-P302+P352-P321-P405-P501A

Product Information

• Purity: 95-100.5%