Dibutylphthalat Produkt Beschreibung

Dibutyl phthalate  Struktur
84-74-2
  • CAS-Nr.84-74-2
  • Bezeichnung:Dibutylphthalat
  • Englisch Name:Dibutyl phthalate
  • Synonyma:Dibutylphthalat;1,2-Benzoldicarbons?uredibutylester;Di-n-butylphthalat;Phthals?uredibutylester;DBP
    DBP;Bufa;Elaol;px104;NLA-10;PX 104;DBP(R);NSC 6370;hatcoldbp;n-dibutyl
  • CBNumber:CB7161937
  • Summenformel:C16H22O4
  • Molgewicht:278.34
  • MOL-Datei:84-74-2.mol
Dibutylphthalat physikalisch-chemischer Eigenschaften
  • Schmelzpunkt: :-35 °C
  • Siedepunkt: :340 °C(lit.)
  • Dichte :1.043 g/mL at 25 °C(lit.)
  • Dampfdichte :9.6 (vs air)
  • Dampfdruck :1 mm Hg ( 147 °C)
  • Brechungsindex :n20/D 1.492(lit.)
  • Flammpunkt: :340 °F
  • storage temp.  :2-8°C
  • Löslichkeit :Very soluble in alcohol, ether, acetone, benzene
  • Aggregatzustand :Liquid
  • Wichte :1.049 (20/20℃)
  • Farbe :APHA: ≤10
  • Relative polarity :0.272
  • Explosionsgrenze :0.47%, 236°F
  • Wasserlöslichkeit :Slightly soluble. 0.0013 g/100 mL
  • FreezingPoint  :-35℃
  • Merck  :14,3035
  • BRN  :1914064
  • Henry's Law Constant :6.3 x 10-5 atm?m3/mol (quoted, Petrasek et al., 1983)
  • Expositionsgrenzwerte :NIOSH REL: TWA 5 mg/m3, IDLH 4,000 mg/m3; OSHA PEL: TWA 5 mg/m3; ACGIH TLV: TWA 5 mg/m3.
  • InChIKey :DOIRQSBPFJWKBE-UHFFFAOYSA-N
  • CAS Datenbank :84-74-2(CAS DataBase Reference)
  • NIST chemische Informationen :Dibutyl phthalate(84-74-2)
  • EPA chemische Informationen :1,2-Benzenedicarboxylic acid, dibutyl ester(84-74-2)
Sicherheit

Dibutyl phthalate Chemische Eigenschaften,Einsatz,Produktion Methoden

  • ERSCHEINUNGSBILD FARBLOSE BIS GELBE VISKOSE FLüSSIGKEIT MIT CHARAKTERISTISCHEM GERUCH.
  • PHYSIKALISCHE GEFAHREN Fließen, Schütten o.ä. kann zu elektrostatischer Aufladung führen.
  • CHEMISCHE GEFAHREN Zersetzung beim Verbrennen unter Bildung giftiger und reizender Rauche (Phthalsäureanhydrid, ICSC 0315). Reagiert mit starken Oxidationsmitteln.
  • ARBEITSPLATZGRENZWERTE TLV: 5 mg/m?(als TWA); (ACGIH 2005).
    MAK nicht festgelegt (DFG 2005).
  • AUFNAHMEWEGE Aufnahme in den Körper durch Inhalation des Aerosols und durch Verschlucken.
  • INHALATIONSGEFAHREN Beim Verdampfen bei 20 °C tritt eine gesundheitsschädliche Kontamination der Luft nicht oder nur sehr langsam ein.
  • WIRKUNGEN NACH WIEDERHOLTER ODER LANGZEITEXPOSITION Tierversuche zeigen, dass die Substanz möglicherweise fruchtbarkeitsschädigend oder entwicklungsschädigend wirken kann.
  • LECKAGE Ausgelaufene Flüssigkeit in abgedeckten Behältern sammeln. Reste mit Vermiculit, Sand oder inertem Absorptionsmittel aufnehmen und an einen sicheren Ort bringen. NICHT in die Umwelt gelangen lassen.
  • R-Sätze Betriebsanweisung: R61:Kann das Kind im Mutterleib schädigen.
    R50:Sehr giftig für Wasserorganismen.
    R62:Kann möglicherweise die Fortpflanzungsfähigkeit beeinträchtigen.
    R39/23/24/25:Giftig: ernste Gefahr irreversiblen Schadens durch Einatmen, Berührung mit der Haut und durch Verschlucken.
    R23/24/25:Giftig beim Einatmen, Verschlucken und Berührung mit der Haut.
    R11:Leichtentzündlich.
  • S-Sätze Betriebsanweisung: S53:Exposition vermeiden - vor Gebrauch besondere Anweisungen einholen.
    S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
    S61:Freisetzung in die Umwelt vermeiden. Besondere Anweisungen einholen/Sicherheitsdatenblatt zu Rate ziehen.
    S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
    S16:Von Zündquellen fernhalten - Nicht rauchen.
  • Chemische Eigenschaften clear liquid
  • Chemische Eigenschaften Dibutyl phthalate occurs as an odorless, oily, colorless, or very slightly yellow-colored, viscous liquid.
  • Physikalische Eigenschaften Colorless to pale yellow, oily, viscous liquid with a mild, aromatic odor
  • Verwenden Di-n-butyl phthalate has been used as an insect repellant.
  • Verwenden Insect repellent.
  • Verwenden Plasticizer; solvent for oil-soluble dyes, insecticides and other organics; antifoam agent; textile fiber lubricant; fragrance fixative; insect repellent.
  • Verwenden A phthalate metabolite with genotoxic effect.
  • Verwenden Plasticizer
  • Definition ChEBI: A phthalate ester that is the diester obtained by the formal condensation of the carboxy groups of phthalic acid with two molecules of butan-1-ol.
  • Vorbereitung Methode Dibutyl phthalate is produced from n-butanol and phthalic anhydride in an ester formation reaction.
  • Allgemeine Beschreibung Dibutyl phthalate is a colorless oily liquid. Dibutyl phthalate is insoluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Since Dibutyl phthalate is a liquid Dibutyl phthalate can easily penetrate the soil and contaminate groundwater and nearby streams. Dibutyl phthalate is combustible though Dibutyl phthalate may take some effort to ignite. Dibutyl phthalate is used in paints and plastics and as a reaction media for chemical reactions.
  • Air & Water Reaktionen Insoluble in water.
  • Reaktivität anzeigen Dibutyl phthalate is an ester. Esters react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides. Avoid contact with strong oxidizing agents and strong bases. Will not polymerize. [USCG, 1999]. Can generate electrostatic charges. [Handling Chemicals Safely 1980. p. 250].
  • Health Hazard The toxicity of this compound is very low. Inhumans, oral intake of dibutyl phthalate at adose level of 150 mg/kg may cause nausea,vomiting, dizziness, hallucination, distortedvision, lacrimation, and conjunctivitis withprompt recovery. It metabolizes to monobutylester and phthalic acid and is excreted in urine.The inhalation toxicity should be insignificantbecause of its negligible low vapor pressure[<0.1 torr at 20°C (68°F)]. However, expo sure to its mist or aerosol can cause irritationof eyes and mucous membranes
    LD50 value, oral (mice): 5300 mg/kg.
  • Brandgefahr Combustible.
  • Pharmazeutische Anwendungen Dibutyl phthalate is used in pharmaceutical formulations as a plasticizer in film-coatings. It has been evaluated as a pore-forming agent in novel delivery systems.It is also used extensively as a solvent, particularly in cosmetic formulations such as antiperspirants, hair shampoos, and hair sprays. In addition to a number of industrial applications, dibutyl phthalate is used as an insect repellent, although it is not as effective as dimethyl phthalate.
  • Kontakt-Allergie It is mainly used as a nonreactive epoxy diluent.
  • Sicherheitsprofil Moderately toxic by intraperitoneal and intravenous routes. Mildly toxic by ingestion. Human systemic eye effects by ingestion, hallucinations, dstorted perceptions, nausea or vomiting, and kidney, ureter, or bladder changes. Experimental teratogenic and reproductive effects. Mutation data reported. Combustible when exposed to heat or flame; can react with oxidizing materials. Violent reaction with Cl2. Incompatible with chlorine. To fight fire, use CO2, dry chemical. When heated to decomposition it emits acrid smoke and fumes. See also ESTERS, PHTHALIC ACID, and n BUTYL ALCOHOL.
  • Sicherheit(Safety) Dibutyl phthalate is generally regarded as a relatively nontoxic material, although it has occasionally been reported to cause hypersensitivity reactions. It is widely used in topical cosmetic and some oral pharmaceutical formulations.
    LD50 (mouse, IV): 0.72g/kg
    LD50 (mouse, oral): 5.3g/kg
    LD50 (rat, oral): 8.0g/kg
    LD50 (rat, IP): 3.05mL/kg
  • Source Detected in distilled water-soluble fractions of new and used motor oil at concentrations of 38 to 43 and 15 to 23 μg/L, respectively (Chen et al., 1994). Leaching from flexible plastics in contact with water. Laboratory contaminant.
  • Environmental Fate Biological. Under aerobic conditions using a freshwater hydrosol, mono-n-butyl phthalate and phthalic acid were produced. Under anaerobic conditions, phthalic acid was not present (Verschueren, 1983). In anaerobic sludge, di-n-butyl phthalate degraded as follows: monobutyl phthalate to phthalic acid to protocatechuic acid followed by ring cleavage and mineralization (Shelton et al., 1984). Engelhardt et al. (1975) reported that a variety of microorganisms were capable of degrading of di-n-butyl phthalate and suggested the following degradation scheme: di-n-butyl phthalate to mono-n-butyl phthalate to phthalic acid to 3,4-dihydroxybenzoic acid and other unidentified products. Di-n-butyl phthalate was degraded to benzoic acid by tomato cell suspension cultures (Lycopericon lycopersicum) (Pogány et al., 1990).
    In a static-culture-flask screening test, di-n-butyl phthalate showed significant biodegradation with rapid adaptation. The ester (5 and 10 mg/L) was statically incubated in the dark at 25°C with yeast extract and settled domestic wastewater inoculum. After 7 days, 100% biodegradation was achieved (Tabak et al., 1981).
    Soil. Under aerobic conditions using a fresh-water hydrosol, mono-n-butyl phthalate and phthalic acid were produced. Under anaerobic conditions, however, phthalic acid was not formed (Verschueren, 1983).
    Photolytic. An aqueous solution containing titanium dioxide and subjected to UV radiation (l >290 nm) produced hydroxyphthalates and dihydroxyphthalates as intermediates (Hustert and Moza, 1988).
    Chemical/Physical. Pyrolysis of di-n-butyl phthalate in the presence of polyvinyl chloride at 600°C gave the following compounds: indene, methylindene, naphthalene, 1- methylnaphthalene, 2-methylnaphthalene, biphenyl, dimethylnaphthalene, acenaphthene, fluorene, methylacenaphthene, methylfluorene and six unidentified compounds (Bove and Dalven, 1984).
    Under alkaline conditions, di-n-butyl phthalate will initially hydrolyze to n-butyl hydrogen phthalate and n-butanol. The monoester will undergo further hydrolysis forming o-phthalic acid and n-butanol (Kollig, 1993).
  • Lager Dibutyl phthalate should be stored in a well-closed container in a cool, dry, location. Containers may be hazardous when empty since they can contain product residues such as vapors and liquids.
  • läuterung methode Wash DBP with H2O (to free it from alcohol), then dilute NaOH (to remove any butyl hydrogen phthalate or acid), aqueous NaHCO3 (charcoal), then distilled water. Dry it (CaCl2), distil it at 10torr or less, and store it in a desiccator over P2O5. [Beilstein 9 II 586, 9 III 4102, 9 IV 3175.]
  • Inkompatibilitäten Dibutyl phthalate reacts violently with chlorine. It also reacts with oxidizing agents, acids, bases, and nitrates.
  • Regulatory Status Included in the FDA Inactive Ingredients Database (oral capsules, delayed action, enteric coated, and controlled release tablets). Included in nonparenteral medicines licensed in the UK (oral capsules, tablets, granules; topical creams and solutions).
Dibutyl phthalate Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
Dibutylphthalat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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84-74-2, Dibutyl phthalate Verwandte Suche:
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