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Triethylorthoformiat

Triethyl orthoformate Struktur
122-51-0
CAS-Nr.
122-51-0
Bezeichnung:
Triethylorthoformiat
Englisch Name:
Triethyl orthoformate
Synonyma:
TRIETHOXYMETHANE;TEOF;ETHYL ORTHOFORMATE;orthoformate;ORTHOFORMIC ACID TRIETHYL ESTER;ETHONE;iethyl orthoforMate;1,1';TEOE;AETHON
CBNumber:
CB4126252
Summenformel:
C7H16O3
Molgewicht:
148.2
MOL-Datei:
122-51-0.mol

Triethylorthoformiat Eigenschaften

Schmelzpunkt:
-76 °C (lit.)
Siedepunkt:
146 °C (lit.)
Dichte
0.891 g/mL at 25 °C (lit.)
Dampfdichte
5.11 (vs air)
Dampfdruck
2.9 mm Hg ( 20 °C)
Brechungsindex
n20/D 1.391(lit.)
Flammpunkt:
86 °F
storage temp. 
Flammables area
L?slichkeit
Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
Aggregatzustand
Liquid
Farbe
Clear colorless
Wasserl?slichkeit
1.35 g/L
Sensitive 
Moisture Sensitive
Merck 
14,6884
BRN 
605384
Stabilit?t:
Moisture Sensitive
InChIKey
GKASDNZWUGIAMG-UHFFFAOYSA-N
LogP
1.2 at 20℃
CAS Datenbank
122-51-0(CAS DataBase Reference)
NIST chemische Informationen
Ethyl orthoformate(122-51-0)
EPA chemische Informationen
Ethyl orthoformate (122-51-0)
Sicherheit
  • Risiko- und Sicherheitserkl?rung
  • Gefahreninformationscode (GHS)
Kennzeichnung gef?hrlicher Xi
R-S?tze: 10-36-36/38
S-S?tze: 16-26-37/39-36-45-36/39
RIDADR  UN 2524 3/PG 3
WGK Germany  1
RTECS-Nr. RM6475000
21
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29159080
Toxizit?t LD50 orally in rats: 7.06 g/kg (Smyth)
Bildanzeige (GHS) GHS hazard pictograms
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H226 Flüssigkeit und Dampf entzündbar. Entzündbare Flüssigkeiten Kategorie 3 Warnung
Sicherheit
P210 Von Hitze, hei?en Oberfl?chen, Funken, offenen Flammen und anderen Zündquellenarten fernhalten. Nicht rauchen.

Triethylorthoformiat Chemische Eigenschaften,Einsatz,Produktion Methoden

R-S?tze Betriebsanweisung:

R10:Entzündlich.
R36:Reizt die Augen.
R36/38:Reizt die Augen und die Haut.

S-S?tze Betriebsanweisung:

S16:Von Zündquellen fernhalten - Nicht rauchen.
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.

Chemische Eigenschaften

Colorless liquid; pungent odor. Highly flammable. Slightly soluble in water; soluble in alcohol, ether; decomposes in water.

Verwenden

Triethyl orthoformate is used in Bodroux-Chichibabin aldehyde synthesis to prepare an aldehyde with one carbon higher by reacting with Grignard reagent. It is also used in the electrophilic formylation of activated aromatic species such as phenol.

Application

Sweet, somewhat camphoraceous-herbaceous odor with a Fimecdle-like note. Triethyl orthoformate has been suggested for use in industrial fragrances for masking, etc. and may find some application in that field. It tends to lift the odor of the conventional components of a pine fragrance and increase the radiation, an effect often desirable for masking purposes.

Allgemeine Beschreibung

Triethyl orthoformate is a clear, colorless liquid with a pungent odor. Less dense than water. Flash point 86°F. Vapors heavier than air. May irritate skin and eyes. Used to make other chemicals.
Triethyl orthoformate ball and stick model

Reaktivit?t anzeigen

Triethyl orthoformate 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.

Health Hazard

Triethyl orthoformate may cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

Brandgefahr

HIGHLY FLAMMABLE: Triethyl orthoformate will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

Sicherheitsprofil

Moderately toxic by ingestion. Mddly toxic by inhalation, skin contact, and subcutaneous routes. A skin and eye irritant. A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidzing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also ESTERS.

l?uterung methode

Fractionate triethyl orthoformate first at atmospheric pressure, then in a vacuum. If impure, then shake it with aqueous 2% NaOH, dry it with solid KOH and distil it from sodium through a 20cm Vigreux column (p 11). Alternatively, wash it with H2O, dry it over anhydrous K2CO3, filter and fractionate it through a Widmer column. [Sah & Ma J Am Chem Soc 54 2964 1932, Ohme & Schmitz Justus Liebigs Ann Chem 716 207 1968, Beilstein 2 IV 25.] IRRITANT and FLAMMABLE.

Triethylorthoformiat Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte

Ethyl-1,2,3,4-tetrahydro-2,4-dioxopyrimidin-5-carboxylat Ethyl 2-hydroxy-4-methyl-5-pyrimidinecarboxylate 2-AMINO-6-CHLORO-3,5-DICYANOPYRIDINE ETHYL 2-HYDROXY-4-PHENYLPYRIMIDINE-5-CARBOXYLATE 4, 6-DIHYDROXYNICOTINIC ACID ETHYL ESTER (Chlormethyl)triethoxysilan 4(3H)-Pyrimidinone, 5-methyl-2-(methylthio)- 1-CHLORO-4-ISOCYANOBENZENE 3-(1,3,4-OXADIAZOL-2-YL)PYRIDINE 1-CYCLOHEXYLURACIL METHYL 5-AMINOISOXAZOLE-4-CARBOXYLATE 2,4-DIAMINOPYRIMIDINE-5-CARBOXYLIC ACID 2-AMINO-3,5-DICYANOPYRIDINE Ethyl 4-amino-2-(ethylthio)-5-pyrimidinecarboxylate 2,4-DIAMINOPYRIMIDINE-5-CARBONITRILE 4-Methylpyrimidin 3-(2-FLUOROBENZYL)THIENO[2,3-D]PYRIMIDIN-4(3H)-ONE ETHYL 4-HYDROXY-6-(TRIFLUOROMETHYL)QUINOLINE-3-CARBOXYLATE 4-Chlor-7-(trifluormethyl)chinolin 3-Amino-1H-pyrazol-4-carbonsure ETHYL 2-(ETHYLTHIO)-4-HYDROXYPYRIMIDINE-5-CARBOXYLATE 4-AMINO-2-(METHYLTHIO)PYRIMIDINE-5-CARBONITRILE 1H-Imidazol-4,5-dicarbonitril ETHYL(Z)-2-CYANO-3-ETHOXY-2-PROPENOATE Ethoxylated 1-Cyclohexyl-1,2,3,4-tetrahydro-2,4-dioxopyrimidine-5-carbonitrile ,97% ETHYL 3-(TRIFLUOROMETHYL)PYRAZOLE-4-CARBOXYLATE 4-AMINO-2-(ETHYLTHIO)-5-(HYDROXYMETHYL)PYRIMIDINE ETHYL 4-CHLORO-6-(TRIFLUOROMETHYL)-3-QUINOLINECARBOXYLATE Ethyl-N-formylglycinat 1-(4-METHYL-2-(METHYLTHIO)PYRIMIDIN-5-YL)ETHANONE 4-HYDROXY-5,7-BIS-TRIFLUOROMETHYL-QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER 2-HYDROXY-4-METHYLPYRIMIDINE-5-CARBOXYLIC ACID 4-Acetylphenylboronic acid 2-Formylfuran-5-boronic acid Diethoxymethylacetat Estazolam Ethyl-5-amino-1-phenyl-1H-pyrazol-4-carboxylat 2-HYDROXY-4-PHENYLPYRIMIDINE-5-CARBOXYLIC ACID 5-Amino-1-phenyl-1H-pyrazol-4-carbonitril

Triethylorthoformiat Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 533)Lieferanten
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122-51-0(Triethylorthoformiat)Verwandte Suche:


  • 1,1’,1’’-[methylidynetris(oxy)]tris-Ethane
  • Ethane, 1,1',1''-[methylidynetris(oxy)]tris-
  • Ethane,1,1’,1’’-[methylidynetris(oxy)]tris-
  • Ethyl formate(ortho)
  • 1,1’,1’’-[methylidynetris(oxy)]tris-ethan
  • triethoxy-methan
  • Triethyl ester of Orthoformic acid
  • Triethylester kyseliny orthomravenci
  • triethylesterkyselinyorthomravenci
  • ETHYL-O-FORMATE
  • 1,1,1-TRIETHOXYMETHANE
  • AETHON
  • AKOS BBS-00004276
  • Triethyl OrthofroMate(TEOF)
  • Ethyl Orthoformate Orthoformic Acid Triethyl Ester Triethoxymethane
  • 1,1'
  • Triethyl orthoforMate, 98%, anhydrous, AcroSeal
  • L-GlutaMine-α-Ketoglutarate(2:1
  • Triethoxymethane, 1,1',1''-[Methanetriyltris(oxy)]triethane
  • Triethyl orthoformate 98%
  • Triethyl orthoforMate, SuperDry, J&KSeal
  • Triethyl orthoforMate, 98%, SpcDry, Water≤50 ppM (by K.F.), SpcSeal
  • Ethylester kyseliny orthomravenci
  • ethylesterkyselinyorthomravenci
  • Methane, triethoxy-
  • ortho-formic
  • Orthoformic acid ethyl ester
  • orthoformicacid,ethylester
  • Orthomravencan ethylnaty
  • orthomravencanethylnaty
  • Triethoxmethane
  • TRIETHYL-O-FORMATE
  • TRIETHYL ORTHOFORMATE
  • 1-(Diethoxymethoxy)ethane
  • 1,1',1'-(Methylidynetris(oxy))tris(ethane)
  • 1,1’,1’-(methylidynetris(oxy))tris(ethane)
  • TRIETHYL ORTHOFORMATE ANHYDROUS 98%
  • 16457-25GTRIETHYL ORTHOFORMATE
  • TRIETHYL ORTHOFORMATE, ANHYDROUS, 98%
  • TriethylOrthoFormateForSynthesis
  • Troiethylorthoformate
  • TriethylOrthoFormate(Teof)
  • EthylOrthoformate,Certified
  • Orthoformic ester
  • Triethyl orthoformate, 99+%
  • TRIETHYLORTHOFORMATE(ETHONE)
  • ETHYLFORMIAT-ORTHO
  • ortho-Ameisensuretriethylester
  • TRIETHYLORTHOBUTYRATE
  • Triethyl orthoformate, 99+% GC
  • Formic acid anion
  • Formylolate
  • Ethyl orthofromate
  • Triethyl orthofromate
  • Triethyl orthoformate,98%
  • Triethyl orthoformate,1,1,1-Triethoxymethane
  • Triethyl orthoformate, anhydrous, AcroSeal, 98%
  • Triethyl Ortho-ForMiate (TEOF)
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