26454
Magnesium stearate
puriss., meets analytical specification of Ph. Eur., BP, ≥90% stearic and palmitic acid basis, ≥40% stearic acid basis (GC), 4.0-5.0% Mg basis (calc on dry sub.)
Synonym(s):
Stearic acid magnesium salt
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About This Item
grade
puriss.
assay
≥40% stearic acid basis (GC), ≥90% stearic and palmitic acid basis, 4.0-5.0% Mg basis (calc on dry sub.)
quality
meets analytical specification of Ph. Eur., BP
impurities
acidity or alkalinity, complies, microbiological impurity, in accordance, residual solvents, complies
loss
≤6.0% loss on drying, 105 °C
mp
200 °C (lit.)
acid value
195‑210(fatty acid)
solubility
alcohol: insoluble, diethyl ether: insoluble, water: insoluble
anion traces
chloride (Cl-): ≤1000 mg/kg, sulfate (SO42-): ≤5000 mg/kg
cation traces
Cd: ≤3 mg/kg, Ni: ≤5 mg/kg, Pb: ≤10 mg/kg
suitability
in accordance for fatty acid composition, passes test for identity
application(s)
pharmaceutical (small molecule)
SMILES string
CCCCCCCCCCCCCCCCCC(=O)O[Mg]OC(=O)CCCCCCCCCCCCCCCCC
InChI
1S/2C18H36O2.Mg/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
InChI key
HQKMJHAJHXVSDF-UHFFFAOYSA-L
Application
Biochem/physiol Actions
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Storage Class
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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