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239594 Magnesium Stearate 99+% USP CAS: 557-04-0

Specifications
CAS Number
557-04-0
Grade
USP
MDL Number
MFCD00036391
Molecular Formula
C36H70O4Mg
Molecular Weight
591.2
EU Commodity Code
38220090
Shipping Temp
RT
Storage Temp
RT
Octadeconic acid magnesium salt; Stearic acid magnesium salt; Stearic and Palmitic acid basis, ≥40% Stearic acid basis, 4-5%Mg

Stearic and Palmitic acid basis, ≥40% Stearic acid basis, 4-5%Mg

Synonyms
Octadeconic acid magnesium salt; Stearic acid magnesium salt; Stearic and Palmitic acid basis, ≥40% Stearic acid basis, 4-5%Mg
CAS No
557-04-0
Molecular Formula
C36H70O4Mg
Molecular Weight
591.20
Appearance
White powder
Purity
≥99% (through 200 mesh%)
Ash
As reported
Free Fatty Acids
As reported
Mesh Size
Sieve residue @ 200 mesh = 1%
Surface Area
≤ 7m2/g
Heavy Metals
≤0.002%
Chloride (Cl-)
≤0.1%
Sulfate (SO42-)
≤0.5%
Lead (Pb)
≤0.0002%
Arsenic (As)
≤0.0003%
Nickel (Ni)
≤0.0005%
Cadmium Cd)
≤0.0001%
Magnesium (Mg)
4.0-5.0%
Acidity & Alkalinity
≤0.05ml in 0.1M solution
Yeast and Mold
≤100CFU/g
E. Coli, Salmonella
None Detected/10g
Fatty acids, Esters
Stearic acid (C18): ≥40% Stearic + Palmitic acid (C18 + C16): ≥90%
Storage and Stability
Powder is stable for 12 months after receipt at RT.
Meets USP/NF/EP/BP/JP Specifications
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