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296996

Sigma-Aldrich

Methyl acetate

anhydrous, 99.5%

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About This Item

Linear Formula:
CH3COOCH3
CAS Number:
79-20-9
Molecular Weight:
74.08
Beilstein/REAXYS Number:
1736662
EC Number:
201-185-2
MDL number:
MFCD00008711
UNSPSC Code:
12352108
PubChem Substance ID:
57648396
NACRES:
NA.21

grade

anhydrous

Quality Level

100

vapor density

2.55 (vs air)

vapor pressure

165 mmHg ( 20 °C)

assay

99.5%

form

liquid

autoignition temp.

936 °F

expl. lim.

16 %

impurities

<0.003% water
<0.005% water (100 mL pkg)

evapn. residue

<0.0003%

refractive index

n20/D 1.361 (lit.)

bp

57-58 °C (lit.)

mp

−98 °C (lit.)

density

0.934 g/mL at 25 °C

SMILES string

COC(C)=O

InChI

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

InChI key

KXKVLQRXCPHEJC-UHFFFAOYSA-N

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General description

Methyl acetate (MA) 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.

Other Notes

The article number 296996-6X1L will be discontinued. Please order the single bottle 296996-1L which is physically identical with the same exact specifications.

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Description
Pricing

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

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

target_organs

Central nervous system

supp_hazards

EUH066

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

8.6 °F - closed cup

flash_point_c

-13 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBL0742
STBL0751
STBL0740
STBL0741
STBK6938

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Reaction kinetics and chemical equilibrium of homogeneously and heterogeneously catalyzed acetic acid esterification with methanol and methyl acetate hydrolysis
Popken T, et al.
Industrial & Engineering Chemistry Research, 39(7), 2601-2611 (2000)
Kinetics of transesterification of methyl acetate and n-octanol catalyzed by cation exchange resins.
Liu Y, et al.
Korean Journal of Chemical Engineering, 30(5), 1039-1042 (2013)
Catalysts, Kinetics, and Reactive Distillation for Methyl Acetate Synthesis.
Zuo C, et al.
Industrial & Engineering Chemistry Research, 53(26), 10540-10548 (2014)
A new process for catalyst-free production of biodiesel using supercritical methyl acetate.
Saka S and Isayama Y.
Fuel: The Science and Technology of Fuel and Energy, 88(7), 1307-1313 (2009)
Selective carbonylation of dimethyl ether to methyl acetate catalyzed by acidic zeolites.
Patricia Cheung et al.
Angewandte Chemie (International ed. in English), 45(10), 1617-1620 (2006-01-31)
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