Magnésium, puriss., répond aux spécifications analytiques du ph.?áEur., BP, >=90% base d'acide stéarique et palmitique, >=40% base d'acide stéarique (GC), 4,0-5,0% base de Mg (calc sur sous sec.)

Name: Magnésium, puriss., répond aux spécifications analytiques du ph.?áEur., BP, >=90% base d'acide stéarique et palmitique, >=40% base d'acide stéarique (GC), 4,0-5,0% base de Mg (calc sur sous sec.)
Brand: SIGMA-ALDRICH
SKU: 26454-1kg
Price: 95.58 USD

Code: 26454-1kg D2-231

Non disponible en dehors du Royaume-Uni et de l'Irlande

Application

Magnesium stearate has been used as a tablet and capsule lubricant. It has also been used for preparing microcapsules.

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Non disponible en dehors du Royaume-Uni et de l'Irlande
Application
Magnesium stearate has been used as a tablet and capsule lubricant. It has also been used for preparing microcapsules.
Biochem/physiol Actions
Magnesium stearate is the magnesium salt of stearic acid that possess lubricating properties and hence prevents ingredients from sticking to manufacturing equipment during the compression of chemical powders into solid tablets. Dry coating of drugs with magnesium stearate leads to flow improvement, flow-aid and lubrication effects, tabletability as well as non-inhibited dissolution rate.

acid value 195‑210(fatty acid)
anion traces sulfate (SO₄^2-): ≤5000 mg/kg, chloride (Cl^-): ≤1000 mg/kg
application(s) pharmaceutical (small molecule)
assay ≥40% stearic acid basis (GC), 4.0-5.0% Mg basis (calc on dry sub.), ≥90% stearic and palmitic acid basis
cation traces Cd: ≤3 mg/kg, Ni: ≤5 mg/kg, Pb: ≤10 mg/kg
grade puriss.
impurities microbiological impurity, in accordance, residual solvents, complies, acidity or alkalinity, complies
InChI key HQKMJHAJHXVSDF-UHFFFAOYSA-L
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
loss ≤6.0% loss on drying, 105 °C
mp 200 °C (lit.)
quality meets analytical specification of Ph. Eur., BP
SMILES string CCCCCCCCCCCCCCCCCC(=O)O[Mg]OC(=O)CCCCCCCCCCCCCCCCC
solubility diethyl ether: insoluble, water: insoluble, alcohol: insoluble
suitability in accordance for fatty acid composition, passes test for identity

Fiche de données de sécurité
Safety Data Sheet for 26454-1KG
Certificat d'analyse
Certificat d'analyse Sigma

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Cas Number 557-04-0

Ce produit répond aux critères suivants pour être admissible aux récompenses suivantes :

Magnésium, puriss., répond aux spécifications analytiques du ph.?áEur., BP, >=90% base d'acide stéarique et palmitique, >=40% base d'acide stéarique (GC), 4,0-5,0% base de Mg (calc sur sous sec.)

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acid value	195‑210(fatty acid)
anion traces	sulfate (SO₄^2-): ≤5000 mg/kg, chloride (Cl^-): ≤1000 mg/kg
application(s)	pharmaceutical (small molecule)
assay	≥40% stearic acid basis (GC), 4.0-5.0% Mg basis (calc on dry sub.), ≥90% stearic and palmitic acid basis
cation traces	Cd: ≤3 mg/kg, Ni: ≤5 mg/kg, Pb: ≤10 mg/kg
grade	puriss.
impurities	microbiological impurity, in accordance, residual solvents, complies, acidity or alkalinity, complies
InChI key	HQKMJHAJHXVSDF-UHFFFAOYSA-L
InChI	1S/2C18H36O2.Mg/c21-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h22-17H2,1H3,(H,19,20);/q;;+2/p-2
loss	≤6.0% loss on drying, 105 °C
mp	200 °C (lit.)
quality	meets analytical specification of Ph. Eur., BP
SMILES string	CCCCCCCCCCCCCCCCCC(=O)O[Mg]OC(=O)CCCCCCCCCCCCCCCCC
solubility	diethyl ether: insoluble, water: insoluble, alcohol: insoluble
suitability	in accordance for fatty acid composition, passes test for identity