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547-63-7

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Identification

Name
Methyl isobutyrate
CAS
547-63-7
Synonyms
2-METHYLPROPIONIC ACID-METHYL ESTER
FEMA 2694
ISOBUTYRIC ACID METHYL ESTER
METHYL-2-METHYLPROPANOATE
METHYL 2-METHYLPROPIONATE
METHYL DIMETHYLACETATE
METHYL ISOBUTYRATE
(CH3)2CHC(O)OCH3
2-methylpropanoicacidmethylester
2-methyl-propanoicacidmethylester
2-methyl-propanoicacimethylester
Methyl isobutanoate
Methyl methylpropanoate
Methylester kyseliny isomaselne
methylesterkyselinyisomaselne
Propanoicacid,2-methyl-,methylester
METHYL ISOBUTYRATE 99+%
Methyl #niso-butyrate
Methylisobutyrate,98%
methylmethylpropanoate,methyl2-methylpropanoate
EINECS(EC#)
208-929-5
Molecular Formula
C5H10O2
MDL Number
MFCD00008914
Molecular Weight
102.13
MOL File
547-63-7.mol

Chemical Properties

Appearance
CLEAR COLOURLESS LIQUID
Melting point 
-85--84 °C
mp 
-85--84 °C
Boiling point 
90 °C (lit.)
bp 
90 °C(lit.)

density 
0.891 g/mL at 25 °C(lit.)

refractive index 
n20/D 1.384(lit.)

FEMA 
2694
Fp 
38 °F

storage temp. 
Flammables area
solubility 
alcohol: miscible
form 
Liquid
color 
Clear colorless
Odor Threshold
0.0019ppm
Water Solubility 
slightly soluble
Merck 
14,6088
JECFA Number
185
BRN 
1740720
CAS DataBase Reference
547-63-7(CAS DataBase Reference)
NIST Chemistry Reference
Propanoic acid, 2-methyl-, methyl ester(547-63-7)
EPA Substance Registry System
547-63-7(EPA Substance)

Safety Data

Hazard Codes 
F,Xi
Risk Statements 
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
RIDADR 
UN 1237 3/PG 2

WGK Germany 
3

RTECS 
NQ5425000

TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29156000

Raw materials And Preparation Products

Material Safety Data Sheet(MSDS)

Hazard Information

Description
Methyl isobutyrate has a fruity (apple-pineapple) odor with a sweet flavor reminiscent of apricot. May be prepared by direct esterification of methanol with isobutyric acid.
Chemical Properties
CLEAR COLOURLESS LIQUID
Chemical Properties
Methyl isobutyrate has a fruity (apple–pineapple) odor and a sweet flavor reminiscent of apricot.
Occurrence
Reported found in Russian champagnes and among the volatile components of strawberry juice. Also reported found in apple juice, banana, kumquat peel oil, blueberry, melon, papaya, pineapple, strawberry, fried potato, starfruit, dill herb, cherimoya, kiwifruit, loquat, naranjilla fruit and cape gooseberry.
Uses
Methyl isobutyrate is used as a flavoring agent. It was used as diluent in forced Rayleigh scattering studies to measure diffusion coefficients for a ternary system comprising camphorquinone in poly(methyl methacrylate).
Preparation
By direct esterification of methanol with isobutyric acid.
Definition
ChEBI: The fatty acid methyl ester of isobutyric acid.
Taste threshold values
Taste characteristics at 35 ppm: sweet, ethereal, fruity and juicy fruit
Carcinogenicity
Not listed by ACGIH, California Proposition 65, IARC, NTP, or OSHA.

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