Methylbenzoat Produkt Beschreibung

Methyl benzoate  Struktur
93-58-3
  • CAS-Nr.93-58-3
  • Bezeichnung:Methylbenzoat
  • Englisch Name:Methyl benzoate
  • Synonyma:Methylbenzoat;Benzoesäuremethylester<BR>Niobeöl
    FEMA 2683;NIOBE OIL;Oxidate le;Oniobe oil;Oilofmiobe;OIL OF NIOBE;Methylbenzoat;Slethylbenzoat;METHYL BENZOATE;ESSENCE OF NIOBE
  • CBNumber:CB8252119
  • Summenformel:C8H8O2
  • Molgewicht:136.15
  • MOL-Datei:93-58-3.mol
Methylbenzoat physikalisch-chemischer Eigenschaften
  • Schmelzpunkt: :-12 °C
  • Siedepunkt: :198-199 °C(lit.)
  • Dichte :1.088 g/mL at 20 °C(lit.)
  • Dampfdichte :4.68 (vs air)
  • Dampfdruck :<1 mm Hg ( 20 °C)
  • Brechungsindex :n20/D 1.516(lit.)
  • FEMA  :2683 | METHYL BENZOATE
  • Flammpunkt: :181 °F
  • storage temp.  :Store at +5°C to +30°C.
  • Löslichkeit :ethanol: soluble60%, clear (1mL/4ml)
  • Aggregatzustand :Liquid
  • Farbe :Clear colorless to pale yellow
  • Wichte :1.087~1.095 (20℃)
  • Explosionsgrenze :8.6-20%(V)
  • Wasserlöslichkeit :<0.1 g/100 mL at 22.5 ºC
  • Merck  :14,6024
  • JECFA Number :851
  • BRN  :1072099
  • Stabilität: :Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, strong bases.
  • CAS Datenbank :93-58-3(CAS DataBase Reference)
  • NIST chemische Informationen :Benzoic acid, methyl ester(93-58-3)
  • EPA chemische Informationen :Benzoic acid, methyl ester(93-58-3)
Sicherheit
  • Kennzeichnung gefährlicher :Xn
  • R-Sätze: :22
  • S-Sätze: :36
  • RIDADR  :UN 2938
  • WGK Germany  :1
  • RTECS-Nr. :DH3850000
  • Selbstentzündungstemperatur :510 °C
  • TSCA  :Yes
  • HS Code  :29163100
  • Giftige Stoffe Daten :93-58-3(Hazardous Substances Data)
  • Toxizität :LD50 orally in rats: 3.43 g/kg (Smyth)

Methyl benzoate Chemische Eigenschaften,Einsatz,Produktion Methoden

  • ERSCHEINUNGSBILD FARBLOSE öLIGE FLüSSIGKEIT MIT CHARAKTERISTISCHEM GERUCH.
  • PHYSIKALISCHE GEFAHREN Die Dämpfe sind schwerer als Luft.
  • ARBEITSPLATZGRENZWERTE TLV nicht festgelegt (ACGIH 2005).
    MAK nicht festgelegt (DFG 2005).
  • AUFNAHMEWEGE Aufnahme in den Körper durch Inhalation der Dämpfe.
  • INHALATIONSGEFAHREN Nur ungenügende Angaben vorhanden über die Geschwindigkeit, mit der eine gesundheitsschädliche Konzentration in der Luft beim Verdampfen bei 20°C erreicht wird.
  • WIRKUNGEN BEI KURZZEITEXPOSITION WIRKUNGEN BEI KURZZEITEXPOSITION:
    Verschlucken kann zur Aufnahme in der Lunge führen; Gefahr der Aspirationspneumonie. (s.Anm.)
  • LECKAGE Ausgelaufene Flüssigkeit möglichst in abdichtbaren Behältern sammeln. Reste mit Sand oder inertem Absorptionsmittel aufnehmen und an einen sicheren Ort bringen. Persönliche Schutzausrüstung: Atemschutzfilter für organische Gase und Dämpfe.
  • R-Sätze Betriebsanweisung: R22:Gesundheitsschädlich beim Verschlucken.
  • S-Sätze Betriebsanweisung: S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
  • Aussehen Eigenschaften C8H8O2; Methylbenzoat. Farblose Flüssigkeit mit chrakteristischem Geruch.
  • Gefahren für Mensch und Umwelt Gesundheitsschädlich beim Verschlucken. Reizt die Augen, Haut und Schleimhäute.
    Nicht mit starken Oxidationsmitteln in Berührung bringen.
    LD50 (oral, Ratte): 1350 mg/kg
  • Schutzmaßnahmen und Verhaltensregeln Geeignete Schutzhandschuhe als kurzzeitiger Spritzschutz.
  • Verhalten im Gefahrfall Mit flüssigkeitsbindendem Material, z.B. Rench Rapid aufnehmen. Der Entsorgung zuführen. Nachreinigen.
    Kohlendioxid, Wasser, Pulver.
    Brennbar. Dämpfe schwerer als Luft. Mit Luft Bildung explosionsfähiger Gemische möglich. Im Brandfall können gefährliche Dämpfe entstehen.
  • Erste Hilfe Nach Hautkontakt: Mit reichlich Wasser abwaschen.
    Nach Augenkontakt: Mit reichlich Wasser bei geöffnetem Lidspalt mindestens 10 Minuten ausspülen. Sofort Arzt hinzuziehen.
    Nach Einatmen: Frischluft.
    Nach Verschlucken: Reichlich Wasser trinken lassen. Erbrechen auslösen. Arzt hinzuziehen
    Nach Kleidungskontakt: Kontaminierte Kleidung sofort entfernen.
    Ersthelfer: siehe gesonderten Anschlag

  • Sachgerechte Entsorgung Als halogenfreie, organische Lösemittelabfälle.
  • Beschreibung Methyl benzoate is an organic compound. It is an ester with the chemical formula C6H5CO2CH3. It is a colorless liquid that is poorly soluble in water, but miscible with organic solvents. Methyl benzoate has a pleasant smell, strongly reminiscent of the fruit of the feijoa tree, and it is used in perfumery. It also finds use as a solvent and as a pesticide used to attract insects such as orchid bees.
  • Beschreibung Methyl benzoate is an organic compound. It is an ester with the chemical formula C6H5CO2CH3. It is a colorless liquid that is poorly soluble in water, but miscible with organic solvents. Methyl benzoate has a pleasant smell, strongly reminiscent of the fruit of the feijoa tree, and it is used in perfumery. It also finds use as a solvent and as a pesticide used to attract insects.
  • Chemische Eigenschaften Methyl Benzoate has been found in essential oils (e.g., ylang-ylang oil). It is a colorless liquid with a strong, dry-fruity, slightly phenolic odor. Methyl benzoate can be converted simply into other benzoates by transesterification. Since methyl benzoate is a fairly large by-product in the manufacture of Terylene, earlier synthetic routes such as those starting from benzoic acid or benzoyl chloride have largely been abandoned.
    Methyl benzoate is used in perfume bases, such as ylang-ylang and tuberose types.
  • Chemische Eigenschaften Methyl benzoate is a colorless, oily, transparent, liquid. Pleasant odor.
  • Chemische Eigenschaften colourless to light yellow fragrant liquid
  • Occurrence Methyl benzoate can be isolated from the freshwater fern Salvinia molesta. It is one of many compounds that is attractive to males of various species of orchid bees, which apparently gather the chemical to synthesize pheromones; it is commonly used as bait to attract and collect these bees for study.
    Cocaine hydrochloride hydrolyzes in moist air to give methyl benzoate; drug - sniffing dogs are thus trained to detect the smell of methyl benzoate.
  • Verwenden Methyl benzoate is used in perfumes..
  • Verwenden In perfumes (Peau d'Espagne).
  • Definition ChEBI: A benzoate ester obtained by condensation of benzoic acid and methanol.
  • Allgemeine Beschreibung A crystalline solid or a solid dissolved in a liquid. Denser than water. Contact may slightly irritate skin, eyes and mucous membranes. May be slightly toxic by ingestion. Used to make other chemicals.
  • Air & Water Reaktionen Slightly soluble in water. Hydrolyzes slowly in contact with water .
  • Reaktivität anzeigen Methyl benzoate 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. Methyl benzoate reacts with strong oxidizing agents and strong bases and hydrolyzes slowly in contact with water. .
  • Hazard Toxic by ingestion.
  • Health Hazard Methyl benzoate is a mild skin irritant. Theacute oral toxicity in test animals was oflow order. The toxic symptoms in animalsfrom oral administration of this compoundwere tremor, excitement, and somnolence.The LD50 value varies with species. The oralLD50 values in mice and rats are 3330 and1350 mg/kg, respectively.
  • Health Hazard Irritating to the eyes, nose, throat, upper respiratory tract, and skin. May cause allegic skin and respiratory reactions.
  • Brandgefahr Special Hazards of Combustion Products: None
  • Sicherheitsprofil Moderately toxic by ingestion. Mildly toxic by skin contact. A skin and eye irritant. Combustible liquid when exposed to heat or flame; can react with oxidizing materials. To fight fire, use foam, CO2, dry chemical, water to blanket fire. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Chemical Synthesis Methyl benzoate is formed by the condensation of methanol and benzoic acid, in presence of a strong acid such as hydrochloric acid . It reacts both at the ring and the ester. Illustrative of its ability to undergo electrophilic substitution, methyl benzoate undergoes acidcatalysed nitration with nitric acid to give methyl 3-nitrobenzoate. It also undergoes hydrolysis with addition of aqueous NaOH to give methanol and sodium benzoate, which can be acidified with aqueous HCl to form benzoic acid.
  • mögliche Exposition Used as food additive and as a solvent for cellulose esters and ethers, resins and rubber.
  • Erste Hilfe If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit. Note to Physician: Inhalation: Bronchodialators, decongestants and oxygen may be used if necessary. Corticosteroids are useful for treating pneumonitis.
  • läuterung methode Wash the ester with dilute aqueous NaHCO3, then water, dry with Na2SO4 and fractionally distil it in a vacuum. [Beilstein 9 IV 283.]
  • Waste disposal Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.
Methyl benzoate Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
Methylbenzoat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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