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Zinc stearate(CAS No. 557-05-1)

Zinc stearate 2(C18H35O2)?Zn (cas 557-05-1) Molecular Structure

557-05-1 Structure

Identification and Related Records

【Name】
Zinc stearate
【CAS Registry number】
557-05-1
【Synonyms】
zinc octadecanoate
zinc stearate/zinc distearate
【EINECS(EC#)】
209-151-9
【Molecular Formula】
2(C18H35O2)?Zn (Products with the same molecular formula)
【Molecular Weight】
632.33
【Inchi】
InChI=1/2C18H36O2.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
【Canonical SMILES】
CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Zn+2]
【MOL File】
557-05-1.mol

Chemical and Physical Properties

【Appearance】
white powder with fatty acid odour
【Density】
1.095
【Melting Point】
118-128℃
【Boiling Point】
359.4 °C at 760 mmHg
【Flash Point】
276℃
【Water】
Insoluble
【Solubilities】
Insoluble
【Color/Form】
WHITE POWDER FREE FROM GRIT
FINE, SOFT, BULKY POWDER
【Stability】
Stable. Incompatible with strong oxidizing agents.
【Storage temp】
Keep away from heat and flame. Store in a cool, dry place. Keep containers tightly closed.
【Computed Properties】
Molecular Weight:632.3476 [g/mol]
Molecular Formula:C36H70O4Zn
H-Bond Donor:0
H-Bond Acceptor:4
Rotatable Bond Count:30
Exact Mass:630.456557
MonoIsotopic Mass:630.456557
Topological Polar Surface Area:80.3
Heavy Atom Count:41
Formal Charge:0
Complexity:196
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:3

Safety and Handling

【Hazard Codes】
Xi:Irritant
【Risk Statements】
R37
【Safety Statements 】
S22;S26;S36/37/39;S38
【Safety】

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.
Hazard Codes:?IrritantXi
Risk Statements: 37
R37:Irritating to respiratory system
Safety Statements: 22-26-36/37/39-38
S22:Do not breathe dust.?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.?
S38:In case of insufficient ventilation, wear suitable respiratory equipment.
RTECS: ZH5200000

【PackingGroup 】
Z01
【Transport】
无资料?
【Fire Fighting Procedures】
WATER, FOAM, CARBON DIOXIDE, DRY CHEMICAL.
【Fire Potential】
COMBUSTIBLE WHEN EXPOSED TO HEAT OR FLAME.
【Formulations/Preparations】
ZINC STEARATE USP; 60 G AND 125 G SHAKER CONTAINERS.
GRADES: USP; TECHNICAL; AVAILABLE FREE FROM CHICK EDEMA FACTOR.
HyTech, HyDense, HyQual, RSN 131-HS, Wettable powder; DZS-36, SI-50, IPS, granular; XM powder; XM ultrafine dispersion SP grades; USP
USUALLY OCCURS AS MIXT OF ZINC SALTS OF STEARIC & PALMITIC ACIDS, & USUALLY WITH SOME EXCESS OF ZINC OXIDE. CONTAINS 13.5-15% ZINC OXIDE.
【Exposure Standards and Regulations】
Zinc stearate prepared from stearic acid free from chick edema factor is generally recognized as safe when used as a nutrient and/or dietary supplement in accordance with good manufacturing or feeding practice.
【Reactivities and Incompatibilities】
Oxidizers, dilute acids [Note: Hydrophobic (i.e., repels water)].
【Specification】

? Zinc stearate , with CAS number of 557-05-1, can be called Dermarone ; Dibasic zinc stearate ; Hidorin D 523 ; octadecanoic acid, zinc salt (2:1) ; Zinc dioctadecanoate . It is a?white powder with fatty acid odour,?Zinc stearate is non-flammable but combustible, be incompatible with oxidizing agents, dilute acids. Emits acrid smoke and fumes of ZnO when heated to decomposition. Zinc stearate (CAS NO.557-05-1) is used as a releasing agent and lubricant in the plastics and rubber industry, can also be used as follows: As a synergic stabilizer for Ba/Cd and Pb stabilizer systems, as a gloss imparting agent in paint industry, as a metal release agent in rubber, polyurethane and polyester processing system, as a die release agent in powder metallurgy, as a chief ingredient in "fanning powder", used by magicians performing card manipulation to decrease the friction between the cards and as a libricant in cosmetics to improve texture.

【Report】

Zinc and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.

【Disposal Methods】
SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

Use and Manufacturing

【Use and Manufacturing】
Methods of Manufacturing

ACTION OF SODIUM STEARATE ON A SOLUTION OF ZINC SULFATE; OR REACTION OF STEARIC ACID AND ZINC CHLORIDE
U.S. Production

(1972) 8.8X10+9 GRAMS
(1975) 6.9X10+9 GRAMS
(1985) 27,925X10+3 lb
【Usage】

Dusting powder.

Biomedical Effects and Toxicity

【Therapeutic Uses】
MEDICATION (VET): ANTISEPTIC, ASTRINGENT, PROTECTIVE (TOPICAL)
In dental cement

Supplier Location

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Telephone:86-27-87465837
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SHIJIAZHUANG KUNLI CHEMICAL INDUSTRY CO.LTD
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Business Type:Trading Company
Telephone:0086-0311-68050511

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