Magnesium stearate

• Catalog No.: 26454
• CAS Number: 557-04-0
• M. F.: C36H70MgO4
• M. W.: 591.2436
• Purity: ≥40% stearic acid basis (GC)

SYNONYMS

• Title: 硬脂酸镁
• IUPAC name: (octadecanoyloxy)magnesio octadecanoate
• IUPAC Traditional name: magnesium stearate
• Synonyms: 十八酸 镁盐; Stearic acid magnesium salt

DATABASE IDS

• PubChem SID: 24856025
• MDL Number: MFCD00036391
• EC Number: 209-150-3
• Beilstein Number: 3919702
• CAS Number: 557-04-0

PROPERTIES

• Acid Value: 195-210(fatty acid)
• Antion Traces: chloride (Cl-): ≤1000 mg/kg
• Antion Traces: sulfate (SO42-): ≤5000 mg/kg
• Cation Traces: Cd: ≤3 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤10 mg/kg
• Grade: puriss.
• Impurities: acidity or alkalinity, complies
• Impurities: microbiological impurity, in accordance
• Impurities: residual solvents, complies
• Linear Formula: [CH3(CH2)16CO2]2Mg
• Loss on Drying: ≤6.0% loss on drying, 105 °C
• Purity: ≥40% stearic acid basis (GC)
• Purity: ≥90% stearic and palmitic acid basis
• Purity: 4.0-5.0% Mg basis (calc on dry sub.)
• Quality: meets analytical specification of Ph. Eur., BP
• Suitability: in accordance for fatty acid composition
• Suitability: passes test for identity
• Melting Point: 200 °C(lit.)
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P261-P305 + P351 + P338
• Risk Statements: 36/37/38
• RTECS: WI4390000
• Safety Statements: 26
• German water hazard class: nwg