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Zinc stearate

  Post Date: Dec 16,2021
  Expiry Date: Dec 16,2022
  Detailed Description: Cas No. :557-05-1
Quantity: 100Metric Tons
Specs:Industrial grade;USP-29;

1. Product Introduction
Name:Zinc stearate
Molecular formula: C36H70O4Zn
CAS No.:557-05-1
EINECS No.:209-151-9
Appearance: white powder

2.Specification
(1) Industrial grade,

Test items

Specification

Appearance

(white and fine powder)

Assay of Zn

10.3%~11.3%

Free acid

≤1%

Loss on drying

≤1.0%

Melting point

120±5℃

Particle size

99.5% 325(≥99.5% through 325 mesh)

(2)Pharmaceutical grade
Operative norm: USP29 BP2005

1. USP29

Test items

Specification

ZnO

12.5-14

Alkali and alkali earth

≤1.0%

Arsenic

≤1.5PPm

Lead

≤0.001%

Organic volatile impurities

conform

2. BP 2005

Test items

Specification

Fat acid

195-210

Melting point

119-1230C

Density (kg/L)

0.20-0.28

Not through 325mesh

≤0.5

Moisture

≤2

Zn

10~12

Chloride

≤250PPm

Sulfates

≤0.6

Cadmium

≤5PPm

Lead

≤25PPm

Acidity and alkali

conform

It is used as lubricant, stabilizer, thickener, accelerant etc.

3. Package and Storage:
Packing: 20kgs/bag
Storage: Tightly sealed in a clean,cool,dry area, keep away from strong, direct light.

 

  CAS Registry Number:

557-05-1

  Synonyms: ;zinc octadecanoate;zinc stearate/zinc distearate;octadecanoic acid – zinc (2:1);znst;
  Molecular Formula: C36H70O4Zn
  Molecular Weight: 632.3635
  Molecular Structure: 557-05-1 Zinc stearate

  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R37:;
  Safety Description: S22:;
S26:;
S36/37/39:;
S38:;

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