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Merck

186325

Methyl acetate

ReagentPlus®, 99%

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About This Item

Linear Formula:
CH3COOCH3
CAS Number:
Molecular Weight:
74.08
UNSPSC Code:
12352108
NACRES:
NA.21
PubChem Substance ID:
EC Number:
201-185-2
Beilstein/REAXYS Number:
1736662
MDL number:
Assay:
99%
Bp:
57-58 °C (lit.)
Vapor pressure:
165 mmHg ( 20 °C)
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Product Name

Methyl acetate, ReagentPlus®, 99%

InChI key

KXKVLQRXCPHEJC-UHFFFAOYSA-N

InChI

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

SMILES string

COC(C)=O

vapor density

2.55 (vs air)

vapor pressure

165 mmHg ( 20 °C)

product line

ReagentPlus®

assay

99%

form

liquid

autoignition temp.

936 °F

expl. lim.

16 %

dilution

(for general lab use)

refractive index

n20/D 1.361 (lit.)

bp

57-58 °C (lit.)

mp

−98 °C (lit.)

density

0.934 g/mL at 25 °C

Quality Level

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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

General description

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.

Legal Information

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

pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

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

target_organs

Central nervous system

supp_hazards

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

8.6 °F - closed cup

flash_point_c

-13 °C - closed cup


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Haipeng Lu et al.
Journal of the American Chemical Society, 141(12), 4919-4927 (2019-03-02)
The marriage of colloidal semiconductor nanocrystals and functional organic molecules has brought unique opportunities in emerging photonic and optoelectronic applications. Traditional semiconductor nanocrystals have been widely demonstrated to initiate efficient triplet energy transfer at the nanocrystal-acene interface. Herein, we report
Dimethyl ether carbonylation to methyl acetate over HZSM-35.
Liu J, et al.
Catalysis Letters, 139(1-2), 33-37 (2010)
Study on the kinetics of enzymatic interesterification of triglycerides for biodiesel production with methyl acetate as the acyl acceptor.
Xu Y, et al.
Journal of Molecular Catalysis. B, Enzymatic, 32(5), 241-245 (2005)
Synthesis of ethanol from methanol and syngas through an indirect route containing methanol dehydrogenation, DME carbonylation, and methyl acetate hydrogenolysis.
Liu Y, et al.
Fuel Processing Technology, 110, 206-213 (2013)
A vibrational assignment for methyl formate and methyl acetate.
Wilmshurst JK.
Journal of Molecular Spectroscopy, 1(1), 201-215 (1957)

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