Magnesium stearate
Magnesium stearate
What is Magnesium stearate?
Magnesium stearate is a chemical compound with CAS number 557-04-0 and molecular formula [CH3(CH2)16CO2]2Mg. It is used in various industrial and research applications.
Applications
Magnesium stearate has been used as a tablet and capsule lubricant.1 It has also been used for preparing microcapsules.2
Specifications
[CH3(CH2)16CO2]2Mg
591.24 g/mol
puriss.
≥40% stearic acid basis (GC)
≥90% stearic and palmitic acid basis
4.0-5.0% Mg basis (calc on dry sub.)
acidity or alkalinity, complies
microbiological impurity, in accordance
residual solvents, complies
alcohol: insoluble
diethyl ether: insoluble
water: insoluble
meets analytical specification of Ph.
Safety Information
GHS07Warning
H315-H319-H335
P261-P305 + P351 + P338
dust mask type N95 (US), Eyeshields, Gloves
200 °C(lit.)
chloride (Cl-): ≤1000 mg/kg
sulfate (SO42-): ≤5000 mg/kg
Cd: ≤3 mg/kg
Ni: ≤5 mg/kg
Pb: ≤10 mg/kg
209-150-3
nwg