Pharmaceutical Excipient Grade Magnesium Stearate CAS No.557-04-0

Brand Yucheng

Product origin China

Delivery time 10-20 Days

Supply capacity 100 TONS/MONTH

IDENTITY

Chemical names: Magnesium stearate
CAS number: 557-04-0
Molecular formula: [CH3(CH2)16COO]2Mg
Appearance: Free flow white powder
Purity: 99% min

Email Download

Detailed Product Introduction

Key attributes:

Pharmaceutical Excipient Grade Magnesium Stearate CAS No.557-04-0

Pharma Grade Magnesium Stearate is a mixture of magnesium salts of different fatty acids consisting mainly of stearic acid [(C17H35COO)2Mg;Mr591.3] and palmitic acid [(C15H31COO)2 Mg;Mr535.1] with minor proportions of other fatty acids.

The fatty acid fraction contains not less than 40.0% of stearic acid and the sum of stearic acid and palmitic acid is not less than 90.0%.

magnesium stearate

Magnesium Stearate Pharma Grade is a white, very fine light powder, greasy to the touch, practically insoluble in water and in ethanol.

SPECIFICATION

Item	Unit	Value
Fatty acid composition	/	Stearic acid 40%min Sum of stearic acid and palmitic acid 90%min
Assay	%	Mg: 4.0~5.0
Chlorides	%	0.1 max
Sulphates	%	0.6 max
Loss on drying	%	5.0 max
Iron salt	%	0.01 max
Heavy metals	ppm	10 max
Acidity or alkalinity	/	+
Cadmium	ppm	3 max
Lead	ppm	10 max
Nickel	ppm	5 max
Microbial limit	/	Aerobic microbial count 1000cfu/g max Total yeasts count 100cfu/g max
Particle size(Passing 45um)	%	99.0 min
Quality standard	ChP2015, BP2011, USP34/NF29

APPLICATION

Medications.

Our pharma grade magnesium stearate is suggested as Excipient and Lubricant in pharmaceutical industry. Its main job
is to keep the ingredients in a capsule from sticking together. It also forms a barrier between the medicines and the machines that make them. The powder improves the consistency and quality of the medication capsules.

Cosmetics.

In the cosmetic world, our magnesium stearate is a helpful ingredient for many things. It acts as a bulking agent, an
anti-caking agent, a colorant, and more.

Safety
Magnesium stearate is generally considered safe for human consumption at levels below 2500 mg/kg per day[12] and is classified in the United States as generally recognized as safe (GRAS). So the recommended dosage is 0.25%~5.0%.

PACKAGE AND STORAGE

Package:

Magnesium Stearate Pharma Grade package can be customized according to customers’ requirements. If no special instruction, it is packed in 10kg plastic bag.

Storage:

Magnesium Stearate Pharma Grade should be stored in closed package and avoid from moisture and strong sun light.

Precautions for operation:

Use Magnesium Stearate is ventilated area, ware face mask or ventilator and gloves. Avoid direct contact with eyes and inhalation.

Shelf life: 3 years.