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2-METHYL-4-PENTENOIC ACID

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2-METHYL-4-PENTENOIC ACID Basic information

Product Name:
2-METHYL-4-PENTENOIC ACID
Synonyms:
  • 2-METHYLPENT-4-ENOIC ACID
  • 2-METHYL-4-PENTENOIC ACID
  • FEMA 3511
  • FEMA NUMBER 3511
  • 2-methyl-4-pentenoicaci
  • 2-methylpent-4-en-1-oic acid
  • 2-METHYL-4-PENTENOIC ACID 98+%
  • 4-Pentenoic acid, 2-methyl-
CAS:
1575-74-2
MF:
C6H10O2
MW:
114.14
EINECS:
216-404-7
Product Categories:
  • Alphabetical Listings
  • Flavors and Fragrances
  • Pharmaceutical Raw Materials
  • M-N
Mol File:
1575-74-2.mol
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2-METHYL-4-PENTENOIC ACID Chemical Properties

Melting point:
17.3°C (estimate)
Boiling point:
195 °C(lit.)
Density 
0.949 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.43(lit.)
FEMA 
3511 | 2-METHYL-4-PENTENOIC ACID
Flash point:
210 °F
storage temp. 
Inert atmosphere,Room Temperature
solubility 
Chloroform (Slightly), Methanol (Slightly)
form 
clear liquid
pka
4.67±0.10(Predicted)
color 
Colorless to Red to Green
Odor
at 10.00 % in propylene glycol. fruity cheese
Odor Type
cheesy
Water Solubility 
Slightly soluble in water
JECFA Number
355
BRN 
1720987
InChIKey
HVRZYSHVZOELOH-UHFFFAOYSA-N
LogP
1.34
CAS DataBase Reference
1575-74-2(CAS DataBase Reference)
EPA Substance Registry System
4-Pentenoic acid, 2-methyl- (1575-74-2)
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Safety Information

Hazard Codes 
C
Risk Statements 
22-34
Safety Statements 
26-36/37/39-45
RIDADR 
UN 3265 8/PG 2
WGK Germany 
3
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29161995

MSDS

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2-METHYL-4-PENTENOIC ACID Usage And Synthesis

Chemical Properties

clear colorless to light yellow liquid

Chemical Properties

2-Methyl-4-pentenoic acid has a cheese-like odor.

Uses

2-Methyl-4-pentenoic acid is used as raw material for fruit flavor or it is an enhancer of fruity fragrances.

Definition

ChEBI: 2-Methyl-4-pentenoic acid is a branched-chain fatty acid.

Synthesis Reference(s)

Chemistry Letters, 9, p. 571, 1980
Tetrahedron Letters, 21, p. 2181, 1980 DOI: 10.1016/S0040-4039(00)78992-1

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