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Zinc stearate

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Post Date:

Nov 12,2024

Expiry Date:

Nov 12,2025

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

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