Magnesium stearate

Magnesium stearate

Model No.︰CP2020

Brand Name︰xinda

Country of Origin︰China

Unit Price︰US $ 2.7 / kg

Minimum Order︰20 kg

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Product Description

Product Description

Molecular formula: Mg[CH3(CH2)16COO]2

CAS NO.: 557-04-0

Chemical structural formula:

 

Main uses

This product is mainly used as tablet and capsule lubricant or anti-viscosity agent, the general concentration is 0.25-2.0%, because of its hydrophobicity, it can delay the dissolution rate of solid preparation drugs, so it requires the use of concentration as low as possible, and should avoid the use of alkaline incompatibility with drugs.

 

Quality standard

Testing item

Testing standard

Specification

USP35-NF30

BP2013

appearance

white fine powder

white fine powder

identification

meet the specification

meet the specification

solubility

/

meet the specification

magnesium content,  %

4.0-5.0

4.0-5.0

PH value

meet the specification

meet the specification

chloride, %

≤0.1

≤0.1

sulfate, %

≤1.0

≤1.0

loss on drying, %

≤6.0

≤6.0

lead, ppm

≤10

≤10

nickel, ppm

≤5

≤5

cadmium, ppm

≤3

≤3

stearic acid content, %

≥40.0

≥40.0

stearic acid&palmitic acid content, %

≥90.0

≥90.0

bacteria, cfu/g

≤1000

≤1000

mould, cfu/g

≤100

≤100

pathogenic bacterium

not detectable

not detectable

 

Packaging

packed in 20kg PP bag lined with high pressure PE film or paper bag;  or follow customer's packaging instruction

Payment Terms︰ T/T in advance

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