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186325

Sigma-Aldrich

Methyl acetate

ReagentPlus®, 99%

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About This Item

Formule linéaire :
CH3COOCH3
Numéro CAS:
Poids moléculaire :
74.08
Numéro Beilstein :
1736662
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352108
ID de substance PubChem :
Nomenclature NACRES :
NA.21

Densité de vapeur

2.55 (vs air)

Niveau de qualité

Pression de vapeur

165 mmHg ( 20 °C)

Gamme de produits

ReagentPlus®

Pureté

99%

Forme

liquid

Température d'inflammation spontanée

936 °F

Limite d'explosivité

16 %

Indice de réfraction

n20/D 1.361 (lit.)

Point d'ébullition

57-58 °C (lit.)

Pf

−98 °C (lit.)

Densité

0.934 g/mL at 25 °C

Chaîne SMILES 

COC(C)=O

InChI

1S/C3H6O2/c1-3(4)5-2/h1-2H3

Clé InChI

KXKVLQRXCPHEJC-UHFFFAOYSA-N

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Description générale

Its IR spectra in the vapor phase and in solution form (in CS2 and CCl4) have been reported. It can be synthesized from dimethyl ether via carbonylation in the presence of halide-free catalysts based on zeolites. It has also been reported to be formed during the synthesis of poly(vinyl) alcohol (PVA). It undergoes transesterification reaction with n-octanol in the presence of Amberlyst 15 catalyst to afford octyl acetate and methanol.
Methyl acetate is an aliphatic ester that can be prepared via carbonylation of dimethyl ether over zeolites. MA is formed as a by-product during the preparation of polyvinyl alcohol from acetic acid and methanol.

Application

Methyl acetate may be used for the preparation of fatty acid methyl esters and triacetin from rapeseed oil via non-catalytic trans-esterification reaction under super-critical conditions.
Methyl acetate may be used in the following:
  • As acyl acceptor in the preparation of biodiesel.
  • Synthesis of ethanol.
  • Preparation of n-butyl acetate, via transesterification reaction with n-butanol in the presence of acidic catalysts.
It may also be used as a precursor in the synthesis of the following:
  • acetic anhydride
  • methyl acrylate
  • vinyl acetate
  • ethyl amide

Informations légales

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictogrammes

FlameExclamation mark

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Organes cibles

Central nervous system

Risques supp

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

8.6 °F - closed cup

Point d'éclair (°C)

-13 °C - closed cup


Certificats d'analyse (COA)

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