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186325 Sigma-Aldrich

Methyl acetate

ReagentPlus®, 99%

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Properties

Related Categories ReagentPlus, ReagentPlus Solvent Grade Products, ACS and Reagent Grade Solvents, Amber Glass Bottles, Carbon Steel Cans with NPT Threads,
grade   ReagentPlus®
vapor density   2.55 (vs air)
vapor pressure   165 mmHg ( 20 °C)
InChI Key   KXKVLQRXCPHEJC-UHFFFAOYSA-N
assay   99%
autoignition temp.   936 °F
expl. lim.   16 %
refractive index   n20/D 1.361 (lit.)
bp   57-58 °C (lit.)
mp   −98 °C (lit.)
density   0.934 g/mL at 25 °C

Description

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.

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

Packaging

1, 2.5, 4 L in glass bottle

18 L in steel drum

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Supplemental Hazard Statements 
Repeated exposure may cause skin dryness or cracking.
RIDADR 
UN1231 - class 3 - PG 2 - Methyl acetate
WGK Germany 
1
RTECS 
AI9100000
Flash Point(F) 
8.6 °F
Flash Point(C) 
-13 °C

Documents

Certificate of Analysis

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Certificate of Origin

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Dispensette™ S
Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

*Calculations provide estimated results based on Antoine's Coefficients and their associated temperature range values. Antoine's Coefficients were obtained from the National Institute of Standards an...

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Pressure-Temperature Nomograph Interactive Tool

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Properties of Solvents Table

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Peer-Reviewed Papers
15

References

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