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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:
1736662
EC Number:
201-185-2
MDL number:
MFCD00008711
UNSPSC Code:
12352108
PubChem Substance ID:
57648396
NACRES:
NA.21
Grade:
anhydrous
Assay:
99.5%
Bp:
57-58 °C (lit.)
Vapor pressure:
165 mmHg ( 20 °C)
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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%

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1 of 4

This Item
186325459971424051
Methyl acetate anhydrous, 99.5%

296996

Methyl acetate

Methyl acetate ReagentPlus&#174;, 99%

186325

Methyl acetate

Methyl acetate analytical standard

45997

Methyl acetate

Methyl acetate United States Pharmacopeia (USP) Reference Standard

1424051

Methyl acetate

grade

anhydrous

grade

-

grade

analytical standard

grade

pharmaceutical primary standard

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

-

assay

99.5%

assay

99%

assay

≥99.9% (GC)

assay

-

form

liquid

form

liquid

form

-

form

-

refractive index

n20/D 1.361 (lit.)

refractive index

n20/D 1.361 (lit.)

refractive index

n20/D 1.361 (lit.), n20/D 1.362

refractive index

n20/D 1.361 (lit.)

expl. lim.

16 %

expl. lim.

16 %

expl. lim.

16 %

expl. lim.

16 %

General description

Methyl acetate (MA) is an aliphatic ester that can be prepared via carbonylation of dimethyl ether over zeolites.[1] MA is formed as a by-product during the preparation of polyvinyl alcohol from acetic acid and methanol.[2]

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.[3]

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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Product No.
Description
Pricing

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225,H319,H336

Hazard Classifications

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

Target Organs

Central nervous system

Supplementary Hazards

EUH066

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

8.6 °F - closed cup

Flash Point(C)

-13 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves
  • Specification Sheet

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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)
    View All Related Papers

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