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Zinc stearate
Product Name
Zinc stearate
Cat.No.
PAP-0359
Particle Size
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Price
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Product Details
Molecular Formula
C36H70O4Zn
Molecular Weight
632.33
Appearance
White powder
Grade
Pharmaceutical grade
Description
Zinc stearate is an organic zinc salt of stearic acid, also known as zinc octadecanoate. It is typically produced by reacting stearic acid with zinc compounds. High‑purity, pharmaceutical‑grade zinc stearate is widely used as an excipient in solid dosage formulations.
CAS Number
557-05-1
Stability and Storage Conditions
It has excellent stability when stored in a cool, dry place
Solubility
Alcohol: insoluble(lit.)
Storage
Store in a cool, dry, well‑ventilated area.
Boiling Point
240℃[at 101 325 Pa]
Melting Point
128-130 °C (lit.)
Density
1.095g/cm3
Applications
It serves as a lubricant in tablet and capsule manufacturing, reducing friction between the powder blend and the die/punch surfaces, improving powder flowability, and preventing sticking, picking, or punching problems. It is typically used at concentrations up to 1.5% in the formulation.
EC Number
209-151-9
Color
White
MDL number
MFCD00013031
SMILES
CCCCCCCCCCCCCCCCCC(=O)O[Zn]OC(=O)CCCCCCCCCCCCCCCCC
InChI
1S/2C18H36O2.Zn/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
Water Solubility
Practically insoluble in water.
InChI Key
XOOUIPVCVHRTMJ-UHFFFAOYSA-L
RTECS
ZH5200000
LogP
4.64 at 25℃
Toxicity
LD50 oral in rat: > 10gm/kg
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Please note: Our products and services are not intended to be used directly in diagnostic or therapeutic procedures.
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