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Zinc stearate

Outline Uses How to remove residual zinc stearate of aluminum surface processing Product Features
Zinc stearate
Zinc stearate
CAS No.
557-05-1
Chemical Name:
Zinc stearate
Synonyms
Coad;Mathe;Hytech;Hydense;Metallac;Synpro 8;Zinc(II);Dermarone;ai3-00388;talculinz
CBNumber:
CB9677027
Molecular Formula:
C36H70O4Zn
Formula Weight:
632.33
MOL File:
557-05-1.mol

Zinc stearate Properties

Melting point:
128-130 °C(lit.)
Density 
1.095g/cm3
Flash point:
180℃
solubility 
alcohol: insoluble(lit.)
form 
Powder
color 
White
Water Solubility 
Insoluble
Merck 
14,10158
BRN 
3919706
Stability:
Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference
557-05-1(CAS DataBase Reference)
NIST Chemistry Reference
Zinc(II) n-octadecanoate(557-05-1)
EPA Substance Registry System
Octadecanoic acid, zinc salt(557-05-1)

SAFETY

Hazard Codes  Xi
Risk Statements  37
Safety Statements  22-26-36/37/39-38-24/25
WGK Germany  -
RTECS  ZH5200000
Autoignition Temperature 1454 °F
TSCA  Yes
Hazardous Substances Data 557-05-1(Hazardous Substances Data)

Zinc stearate price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 26423 Zinc stearate purum, 10-12% Zn basis 557-05-1 1kg $39.9 2018-11-13 Buy
Sigma-Aldrich 26423 Zinc stearate purum, 10-12% Zn basis 557-05-1 10kg $124 2018-11-13 Buy
Alfa Aesar 033238 Zinc stearate ZnO 12.5-14% 557-05-1 50g $18.8 2018-11-20 Buy
Alfa Aesar 033238 Zinc stearate ZnO 12.5-14% 557-05-1 250g $21.2 2018-11-20 Buy
Sigma-Aldrich 307564 Zinc stearate technical grade 557-05-1 25g $33.7 2018-11-13 Buy

Zinc stearate Chemical Properties,Uses,Production

Outline

Zinc stearate is white light fine powder. Formula is ZN (C17H35COO) 2, molecular structure is  RCOOZnOOCR (R is alkyl group of industry stearate), it is combustible, specific gravity is 1.095, ignition point is 900℃, density is 1.095, melting point is 130℃, it has creamy feel. It is insoluble in water, alcohol, ether, soluble in hot ethanol, turpentine, benzene and other organic solvents and acids. Zinc stearate is heated and dissolved in organic solvent, when exposes cold, it becomes jelly, when meets strong acid, it can decompose into stearic acid and corresponding zinc. It has lubricity, hygroscopic, non-toxic, slightly irritating, non-polluting, non-hazardous properties. For zinc stearate is dissolved in benzene and calcium stearate is benzene-insoluble, it is possible to separate the calcium stearate and zinc stearate.
Zinc stearate is not soluble in polar solvents, but when be heated, it is high dissolved in aromatic compound agent chlorinated hydrocarbons. The main application areas are plastics and rubber industry, it is used as lubricant and release agent for excellent compatibility.

Uses

1. Zinc stearate can be used as rubber products soften lubricants, textiles lighting agent, PVC stabilizers.
2. It can be used as stabilizer in polyvinyl chloride plastics, rubber softener.
3. Zinc stearate can be used in the pharmaceutical industry, preparation of solidified oil and lubricants, it can be also used as paint drying agent. Non-toxic products for PVC and rubber processing, the synergy of calcium stearate and barium stearate can effectively improve PVC and rubber for light and heat stability, PVC processing amount is usually <1; it can be used for touch agent of rubber products, it can also be used as polymeric additive of PP, PE, PS, EPS and pencil manufacturing, it is generally used in the amount of 1 to 3 parts.

How to remove residual zinc stearate of aluminum surface processing

It is generally used polish manner to treat residual zinc stearate. It maybe damage the substrate when uses lure acid.

Product Features

Zinc stearate has good thermal stability, initial stage stainability is small, it has good light stability and it has synergy effect with calcium stearate and barium stearate, it has foam effect and it can be used as foaming aid in foam products, it can be used as the lubricant of cosmetic face powder.
Glue the pink plastic lubricants.
Zinc stearate is used as PVC stabilizers. When coordinates with barium-cadmium soap, it is mainly used in soft products, characteristic is that it can restrain initial coloration and avoid sulfide pollution. Zinc stearate can also be used styrene (polystyrene and ABC, SAN resins), phenolic resins, amino resins and plastics and other heat-curing polyester plasticizer, lubricant and release agent of transparent products. In the rubber industry, it can be used as rubber lubricants and anti-blocking agent, curing catalyst media activator.
It can be used as lighting agent of textile products.
It can be used as flatting agent in enamel paint industry.

Chemical Properties

white powder with fatty acid odour

Chemical Properties

Zinc stearate occurs as a fine, white, bulky, hydrophobic powder, free from grittiness and with a faint characteristic odor.

Uses

zinc stearate is used in cosmetic formulations to increase adhesive properties. It is also used as a coloring agent. This is a mixture of the zinc salts of stearic and palmitic acids.

Uses

Used in Rubber, Plastic, Poyester, Abbrasive, Coating, Printing Inks and PVC Industry.

Uses

In tablet manufacture; in cosmetic and pharmaceutical powders and ointments; as a flatting and sanding agent in lacquers; as a drying lubricant and dusting agent for rubber; as a plastic mold releasing agent; as a waterproofing agent for concrete, rock wool, paper, textiles.

Production Methods

An aqueous solution of zinc sulfate is added to sodium stearate solution to precipitate zinc stearate. The zinc stearate is then washed with water and dried. Zinc stearate may also be prepared from stearic acid and zinc chloride.

General Description

White, hydrophobic powder with a slight, characteristic odor. Mp: 130°C. Density: 1.1 g cm-3. Insoluble in water, ethyl alcohol and diethyl ether. Soluble in acids. Non-toxic. In technical grades, the percentage of zinc may vary according to the intended use. Products with less than the theoretical amount of zinc are more acidic.

Reactivity Profile

Zinc stearate is non-flammable but combustible. Incompatible with oxidizing agents, dilute acids. Emits acrid smoke and fumes of ZnO when heated to decomposition (Hazardous Chemicals Desk Reference, p. 865 (1987)).

Pharmaceutical Applications

Zinc stearate is primarily used in pharmaceutical formulations as a lubricant in tablet and capsule manufacture at concentrations up to 1.5% w/w. It has also been used as a thickening and opacifying agent in cosmetic and pharmaceutical creams, and as a dusting powder.

Safety Profile

Poison by intratracheal route. Inhalation of zinc stearate has been reported as causing pulmonary fibrosis. A nuisance dust. Combustible when exposed to heat or flame. To fight fire, use water, foam, CO2, dry chemical. When heated to decomposition it emits toxic fumes of ZnO. See also ZINC COMPOUNDS.

Safety

Zinc stearate is used in oral and topical pharmaceutical formulations, and is generally regarded as a nontoxic and nonirritant excipient. However, following inhalation, it has been associated with fatal pneumonitis, particularly in infants. As a result, zinc stearate has now been removed from baby dusting powders.
LD50 (rat, IP): 0.25 g/kg

storage

Zinc stearate is stable and should be stored in a well-closed container in a cool, dry place.

Incompatibilities

Zinc stearate is decomposed by dilute acids. It is incompatible with strong oxidizing agents.

Regulatory Status

GRAS listed. Included in the FDA Inactive Ingredients Database (oral capsules and tablets). Included in nonparenteral medicines licensed in the UK. Included in the Canadian List of Acceptable Non-medicinal Ingredients.

Zinc stearate Preparation Products And Raw materials

Raw materials

Preparation Products


Zinc stearate Suppliers

Global( 275)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
China Chemical Lab
00123456789
sophia-chemicallab@hotmail.com CHINA 20 58
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32651 55
Shanghai Yingrui Biopharma Co., Ltd.
+86-21-33585366 E-mail:sales03@shyrchem.com
+86-21-34979012 sales03@shyrchem.com CHINA 663 60
Hefei TNJ Chemical Industry Co.,Ltd.
86-0551-65418684 18949823763
86-0551-65418684 info@tnjchem.com China 1659 55
Chemson Industrial (Shanghai) Co., Ltd.
86-21-65208861-ext8007
86-21-65180813 sales1@chemson.com.cn CHINA 121 58
Hubei Jusheng Technology Co.,Ltd.
86-155-27864001
peter@hubeijusheng.com CHINA 18004 58
Haihang Industry Co.,Ltd
86-531-88032799
+86 531 8582 1093 export@haihangchem.com CHINA 4525 58
Chemwill Asia Co.,Ltd.
86-21-51086038
86-21-51861608 chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com CHINA 10967 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 19990 58
Shanghai Zheyan Biotech Co., Ltd.
18017610038
zheyansh@163.com CHINA 3624 58

View Lastest Price from Zinc stearate manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-16 Zinc stearate
557-05-1
US $7.00 / kg 1kg 99% 100KG career henan chemical co
2018-05-24 Zinc stearate
557-05-1
US $200.00 / KG 20KG 99.99% 50tons/month China Chemical Lab

Zinc stearate Spectrum


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