Zinkdistearat Produkt Beschreibung

Zinc stearate Struktur
557-05-1
  • CAS-Nr.557-05-1
  • Bezeichnung:Zinkdistearat
  • Englisch Name:Zinc stearate
  • Synonyma:Zinkdistearat;Zinkoctadecanoat;Stearins?ure Zinksalz
    Coad;Mathe;Hytech;Hydense;Synpro 8;Zinc(II);Metallac;unichemzs;talculinz;ai3-00388
  • CBNumber:CB9677027
  • Summenformel:C36H70O4Zn
  • Molgewicht:632.33
  • MOL-Datei:557-05-1.mol
Zinkdistearat physikalisch-chemischer Eigenschaften
Sicherheit

Zinc stearate Chemische Eigenschaften,Einsatz,Produktion Methoden

  • ERSCHEINUNGSBILD WEISSES, FEINES, WEICHES PULVER.
  • PHYSIKALISCHE GEFAHREN Staubexplosion der pulverisierten oder granulierten Substanz in Gemischen mit Luft möglich. Die trockene Substanz kann durch Verwirbeln, Druckluft, Fließen usw. elektrostatisch aufgeladen werden.
  • CHEMISCHE GEFAHREN Zersetzung beim Verbrennen unter Bildung reizender und giftiger Rauche mitZinkoxid.
  • ARBEITSPLATZGRENZWERTE TLV: (Stearate) 10 mg/m? Krebskategorie A4 (nicht klassifizierbar als krebserzeugend für den Menschen); (ACGIH 2008).
    MAK nicht festgelegt.
  • AUFNAHMEWEGE Aufnahme in den Körper durch Inhalation des Aerosols.
  • INHALATIONSGEFAHREN Verdampfen bei 20°C vernachlässigbar; eine belästigende Partikelkonzentration in der Luft kann jedoch schnell erreicht werden.
  • LECKAGE Verschüttetes Material in Behältern sammeln; falls erforderlich durch Anfeuchten Staubentwicklung verhindern. Reste sorgfältig sammeln. An sicheren Ort bringen. Persönliche Schutzausrüstung: Atemschutzgerät, P1-Filter für inerte Partikel.
  • R-Sätze Betriebsanweisung: R37:Reizt die Atmungsorgane.
  • S-Sätze Betriebsanweisung: S22:Staub nicht einatmen.
    S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
    S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
    S38:Bei unzureichender Belüftung Atemschutzgerät anlegen.
  • Beschreibung Zinc stearate is a "zinc soap" that is widely used industrially. In this context, soap is used in its formal sense, a metal "salt" of a fatty acid. It is a white solid that repels water. It is insoluble in polar solvents such as alcohol and ether but soluble in aromatic hydrocarbons (e.g., benzene and chlorinated hydrocarbons) when heated. It is the most powerful mold release agent among all metal soaps. It contains no electrolyte and has a hydrophobic effect. Its main application areas are the plastics and rubber industry where it is used as a releasing agent and lubricant which can be easily incorporated.
    Zinc carboxylates, e.g. basic zinc acetate, adopt complex formulas, and are not simply dicarboxylates of zinc. Instead the formula for most zinc carboxylates is Zn4O(O2CR)6, consisting of a Zn4O6+ core with carboxylate ligands spanning the edges.
  • Chemische Eigenschaften Zinc stearate occurs as a fine, white, bulky, hydrophobic powder, free from grittiness and with a faint characteristic odor.
  • Chemische Eigenschaften white powder with fatty acid odour
  • Verwenden Used in Rubber, Plastic, Poyester, Abbrasive, Coating, Printing Inks and PVC Industry.
  • Verwenden 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.
  • Verwenden 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.
  • Application It is widely used as a release agent for the production of many kinds of objects rubber, poly urethane, poly ester processing system, powder metallurgy. These applications exploit its "non-stick" properties . In cosmetics, zinc stearate is a lubricant and thickening to improve texture.
    It is an "activator" for rubber vulcanization by sulfur and accelerators. As discovered in the early days of vulcanization, zinc has a beneficial effect on the reaction of the sulfur with the polyolefin. The stearate is a form of zinc that is highly soluble in the nonpolar medium of the poly olefins.
    Being lipophilic, it functions as a phase transfer catalyst for the saponification of fats.
  • Vorbereitung Methode 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.
  • Allgemeine Beschreibung 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.
  • Reaktivität anzeigen 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)).
  • Pharmazeutische Anwendungen 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.
  • Sicherheitsprofil 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.
  • Sicherheit(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
  • Lager Zinc stearate is stable and should be stored in a well-closed container in a cool, dry place.
  • Inkompatibilitäten 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 Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
Zinkdistearat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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557-05-1, Zinc stearate Verwandte Suche:
  • Afco-chem ZNS
  • Zinc Stearate, Zno
  • stavinorzn-e
  • stearatedezinc
  • Synpro 8
  • Synpro stearate
  • Talculin Z
  • talculinz
  • unichemzs
  • witcozincstearateusp
  • Zinc stearate USP
  • Zinc stearate W. S
  • Zinc stearate, dispersible
  • Zn Stearate
  • Zinc stearate, extra pure, Ph Eur, USP, BP
  • Zinc stearate,Stearic acid zinc salt
  • Zinc stearate CP
  • Zinc stearate 1KG
  • zinc(II) stearate
  • Zinc stearate, 12.5 - 14% ZnO
  • Zinc stearate puruM, 10-12% Zn basis
  • Zinc stearate technical grade
  • Zinc Stearate XM Hydense
  • Zinc(II)
  • Stearic acid zinc salt Octadecanoic acid, zinc salt
  • SONGWON SZ-210
  • ai3-00388
  • Antidust 2
  • caswellno926
  • Coad
  • Dermarone
  • Dibasic zinc stearate
  • dibasiczincstearate
  • DLG-10, 20
  • epapesticidechemicalcode077002
  • Hallcote ZS 5050
  • Hydense
  • Hytech
  • Mathe
  • Metallac
  • Metasap 576
  • metasap576
  • Octadecanoic acid zinc salt, zinc octadecanoate
  • Petrac zn-41
  • petraczn-41
  • Stavinor ZN-E
  • Zinc stearate Joyce
  • STEARIC ACID ZINC SALT
  • OCTADECANOIC ACID ZINC SALT
  • ZINC OCTADECANOATE
  • Zinc distearate
  • ZINC STEARATE
  • Zinc steatate
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  • ZINC STEARATE PURE
  • ZINC STEARATE, TECH.
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  • purePh.Eur.