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Merck
CN

26454

硬脂酸镁

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.)

别名:

十八酸 镁盐

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关于此项目

线性分子式:
[CH3(CH2)16CO2]2Mg
化学文摘社编号:
分子量:
591.24
UNSPSC Code:
12352106
NACRES:
NA.22
PubChem Substance ID:
EC Number:
209-150-3
Beilstein/REAXYS Number:
3919702
MDL number:
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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

硬脂酸镁已被用作片剂和胶囊润滑剂。也用于制备微囊。

Biochem/physiol Actions

硬脂酸镁是硬脂酸的镁盐,具有润滑性能,因此在将化学粉末压制成固体片剂时可防止成分粘在制造设备上。用硬脂酸镁干包衣可改善流动性、改善流动性和润滑效果、可压片性以及不受抑制的溶出度。


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存储类别

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



历史批次信息供参考:

分析证书(COA)

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