Zinc stearate

• Post Date:

  Apr 05,2025

• Expiry Date:

  Apr 05,2026

• 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:

  

• Hazard Symbols:

   Xi:Irritant;
  

• Risk Codes:

  R37:;
  

• Safety Description:

  S22:;
  S26:;
  S36/37/39:;
  S38:;
  

• Company:

  Huzhou Sifeng Biochem Co., Ltd.     [ China ]          

• Contact:

  MR. Andy Wu

• Tel:

  +86-18357251508

• Fax:

  +86-572-2576891

• Email:

  sales@sifengbio.com