296996

Methyl acetate

anhydrous, 99.5%

• 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

Properties

• 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

Description

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.

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225,H319,H336
• pcodes: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• 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