2-methyl-4-pentenoic acid
4-pentenoic acid, 2-methyl-
 
Notes:
Used as a food additive [EAFUS]
  • Bedoukian Research
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      443 2-METHYL-4-PENTENOIC ACID ≥97.0%, Kosher
      SDS
      Used as an enhancer for fruity fragrances.
      Strawberry jam and dairy flavors.
       
       
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      1575-74-2 2-METHYL-4-PENTENOIC ACID 99.0%
       
  • M&U International
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      A0613 2-Methyl-4-Pentenoic Acid
       
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      13-62510 2-METHYL-4-PENTENOIC ACID
       
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      C624 2-Methyl 4-Pentenoic Acid
      W1432 2-METHYL-4-PENTENOIC ACID
       
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      M1143 2-Methyl-4-pentenoic Acid >98.0%(GC)(T)
       
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CAS Number: 1575-74-2Picture of molecule3D/inchi
Other(deleted CASRN): 53729-46-7
ECHA EINECS - REACH Pre-Reg: 216-404-7
FDA UNII: 29HK385L3G
Nikkaji Web: J206.813C
MDL: MFCD00015570
CoE Number: 10148
XlogP3-AA: 1.40 (est)
Molecular Weight: 114.14410000
Formula: C6 H10 O2
NMR Predictor: Predict (works with chrome or firefox)
EFSA/JECFA Comments: JECFA evaluated 2-methyl-4-pentenoic-acid (CASrn as in Register). (R)- or (S)-enantiomer not specified by CASrn in Register.
Category: flavoring agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
Google Books: Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
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Perfumer and Flavorist: Search
Google Patents: Search
US Patents: Search
EU Patents: Search
Pubchem Patents: Search
PubMed: Search
NCBI: Search
JECFA Food Flavoring: 355  2-methyl-4-pentenoic acid
DG SANTE Food Flavourings: 08.059  2-methylpent-4-enoic acid
FEMA Number: 3511 2-methyl-4-pentenoic acid
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):1575-74-2 ; 2-METHYL-4-PENTENOIC ACID
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Physical Properties:
Appearance: colorless clear liquid (est)
Assay: 97.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 0.94400 to 0.95600 @  25.00 °C.
Pounds per Gallon - (est).: 7.855 to  7.955
Refractive Index: 1.42600 to 1.43600 @  20.00 °C.
Boiling Point: 195.00 °C. @ 760.00 mm Hg
Boiling Point: 78.00 °C. @ 0.50 mm Hg
Vapor Pressure: 0.237000 mmHg @ 25.00 °C. (est)
Vapor Density: >1 ( Air = 1 )
Flash Point: 210.00 °F. TCC ( 98.89 °C. )
logP (o/w): 1.338 (est)
Soluble in:
 alcohol
 water, slightly
 water, 6999 mg/L @ 25 °C (est)
Insoluble in:
 water
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Organoleptic Properties:
 
Odor Type: cheesy
 
Odor Strength: medium ,
recommend smelling in a 10.00 % solution or less
 
Substantivity: > 8 hour(s) at 100.00 %
 
 fruity  cheesy  
Odor Description:
at 10.00 % in propylene glycol. 
fruity cheese
 
 
Flavor Type: creamy
 
 creamy  strawberry  jammy  
Taste Description:
creamy strawberry jam
 
Odor and/or flavor descriptions from others (if found).
 
Bedoukian Research
2-METHYL-4-PENTENOIC ACID ≥97.0%, Kosher
Odor Description: A cheese-like aroma
Used as an enhancer for fruity fragrances.
Taste Description: Creamy mouth feel, with strawberry jam notes
Strawberry jam and dairy flavors.
 
 
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Cosmetic Information:
None found
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Suppliers:
Apple Flavor & Fragrance
2-Methyl-4-pentenoic acid
Bedoukian Research
2-METHYL-4-PENTENOIC ACID
≥97.0%, Kosher
Odor: A cheese-like aroma
Use: Used as an enhancer for fruity fragrances.
Flavor: Creamy mouth feel, with strawberry jam notes
Strawberry jam and dairy flavors.
BOC Sciences
For experimental / research use only.
2-METHYL-4-PENTENOIC ACID 99.0%
M&U International
2-Methyl-4-Pentenoic Acid
Penta International
2-METHYL-4-PENTENOIC ACID
Sigma-Aldrich
2-Methyl-4-pentenoic acid, ≥98%, FG
Odor: cheese
Certified Food Grade Products
Synerzine
2-Methyl 4-Pentenoic Acid
Synerzine
2-METHYL-4-PENTENOIC ACID
TCI AMERICA
For experimental / research use only.
2-Methyl-4-pentenoic Acid >98.0%(GC)(T)
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Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
C - Corrosive.
R 22 - Harmful if swallowed.
R 34 - Causes burns.
R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
S 20/21 - When using do not eat, drink or smoke.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
S 45 - In case of accident or if you feel unwell seek medical advice immediately.
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavoring agents
Recommendation for 2-methyl-4-pentenoic acid usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): ND (μg/capita/day)
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 10
Click here to view publication 10
 average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): --
beverages(alcoholic): -1.00000
breakfast cereal: --
cheese: --
chewing gum: -5.00000
condiments / relishes: --
confectionery froastings: -5.00000
egg products: --
fats / oils: --
fish products: --
frozen dairy: -2.00000
fruit ices: -2.00000
gelatins / puddings: -2.00000
granulated sugar: --
gravies: --
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: -2.00000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: --
sugar substitutes: --
sweet sauces: --
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Safety References:
European Food Safety Athority(EFSA): Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
European Food Safety Authority (EFSA) reference(s):
Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) related to Flavouring Group Evaluation 6 (FGE.06): Straight-and branched-chain aliphatic unsatured primary alcohols, aldehydes, carboxylic acids, and esters from chemical groups 1 and 4
View page or View pdf
Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) on a request from the Commission related to Flavouring Group Evaluation 5: Esters of 23 branched- and straight-chain aliphatic saturated primary alcohols and of one secondary alcohol, and 24 branched- and straight-chain unsaturated carboxylic acids from chemical groups 1, 2, and 5
View page or View pdf
Flavouring Group Evaluation 6, Revision 1 (FGE.06Rev1) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC)
View page or View pdf
Flavouring Group Evaluation 5, Revision 1 (FGE.05Rev1):Esters of branched- and straight-chain aliphatic saturated primary alcohols and of one secondary alcohol, and branched- and straight-chain unsaturated carboxylic acids from chemical groups 1, 2, and 5 (Commission Regulation (EC) No 1565/2000 of 18 July 2000) [1] - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC)
View page or View pdf
Flavouring Group Evaluation 5, Revision 2 (FGE.05Rev2): Branched- and straight-chain unsaturated carboxylic acids and esters of these with aliphatic saturated alcohols from chemical groups 1, 2, 3 and 5
View page or View pdf
EPI System: View
EPA Substance Registry Services (TSCA): 1575-74-2
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 549519
National Institute of Allergy and Infectious Diseases: Data
WISER: UN 3265
WGK Germany: 3
 2-methylpent-4-enoic acid
Chemidplus: 0001575742
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References:
 2-methylpent-4-enoic acid
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 1575-74-2
Pubchem (cid): 549519
Pubchem (sid): 135020861
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Other Information:
(IUPAC): Atomic Weights of the Elements 2011 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS): View
HMDB (The Human Metabolome Database): HMDB31158
FooDB: FDB003172
Export Tariff Code: 2916.19.3000
ChemSpider: View
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Potential Blenders and core components note
 
For Odor
acidic
acidic
isobutyric acidFL/FR
 cyclohexyl acetic acidFL/FR
2-ethyl butyric acidFL/FR
2-methyl butyric acidFL/FR
aldehydic
 acetyl nonyrylFL/FR
buttery
 acetoinFL/FR
 acetyl propionylFL/FR
 butyl butyryl lactateFL/FR
2,3-heptane dioneFL/FR
caramellic
 ethyl maltolFL/FR
cheesy
 butyric acidFL/FR
2-heptanoneFL/FR
2-methyl hexanoic acidFL/FR
S-(methyl thio) butyrateFL/FR
2-methyl valeric acidFL/FR
2-methyl-2-hexenoic acidFR
coconut
 coconut decanone methylFR
delta-decalactoneFL/FR
gamma-octalactoneFL/FR
delta-octalactoneFL/FR
para-vanillic acidFL/FR
fatty
(Z)-dairy lactoneFL/FR
 hexanoic acidFL/FR
4-methyl octanoic acidFL/FR
fruity
 cyclohexyl carboxylic acidFL/FR
 filbert hexenoneFL/FR
4-heptanoneFL/FR
 methyl (Z)-5-octenoateFL/FR
 methyl 4-methyl valerateFL/FR
2-methyl butyl isovalerateFL/FR
 prenyl hexanoateFL/FR
 sorbyl butyrateFL/FR
green
isobutyl methyl ketoneFL/FR
(E)-2-hexenalFL/FR
nutty
 nutty quinoxalineFL/FR
waxy
2-methyl heptanoic acidFL/FR
 nonanoic acidFL/FR
2-nonanolFL/FR
delta-tetradecalactoneFL/FR
2-tridecanoneFL/FR
 undecanoic acidFL/FR
 
For Flavor
 
No flavor group found for these
2,5-dithiahexaneFL
 ethyl cyclohexyl carboxylateFL
(E,E)-2,4-heptadien-1-olFL
(Z)-3-hexenoic acidFL
3-methyl crotonic acidFL
5-methyl hexanoic acidFL
S-methyl thiopropionateFL
4-methyl valeric acidFL
 prenyl hexanoateFL/FR
3-(methyl thio) methyl thiopheneFL
acidic
isobutyric acidFL/FR
2-ethyl butyric acidFL/FR
 propionic acidFL
aldehydic
 acetyl nonyrylFL/FR
buttery
2,3-heptane dioneFL/FR
2-methyl valeric acidFL/FR
(E)-2-pentenoic acidFL
caramellic
 ethyl maltolFL/FR
cheesy
 ammonium isovalerate 30% in pgFL
2-heptanoneFL/FR
 hexanoic acidFL/FR
coconut
delta-decalactoneFL/FR
delta-octalactoneFL/FR
creamy
 acetoinFL/FR
 acetoin butyrateFL
 butyl butyryl lactateFL/FR
para-vanillic acidFL/FR
dairy
 methyl (Z)-5-octenoateFL/FR
4-pentenoic acidFL
fatty
(Z)-dairy lactoneFL/FR
 dimethyl sulfoxideFL
4-methyl octanoic acidFL/FR
 nonanoic acidFL/FR
(E)-2-octenoic acidFL
2-tridecanoneFL/FR
fermented
 methyl thio isovalerateFL
fruity
 cyclohexyl carboxylic acidFL/FR
 filbert hexenoneFL/FR
4-heptanoneFL/FR
 methyl 4-methyl valerateFL/FR
2-methyl butyl isovalerateFL/FR
2-methyl butyric acidFL/FR
 sorbyl butyrateFL/FR
 strawberry cream nut flavorFL
green
isobutyl methyl ketoneFL/FR
 heptanal 2,3-butane diol acetalFL
(E)-2-hexenalFL/FR
2-(5-isopropyl-2-methyltetrahydro-2-thiophenyl)ethyl acetateFL
lactonic
gamma-octalactoneFL/FR
meaty
2-methyl 3-(methyl thio) furanFL
musty
S-(methyl thio) butyrateFL/FR
nutty
 nutty quinoxalineFL/FR
oily
2-methyl hexanoic acidFL/FR
sour
 butyric acidFL/FR
2,4-dimethyl-2-pentenoic acidFL
3-methyl valeric acidFL
sulfurous
 methyl 4-(methyl thio) butyrateFL
sweet
 cyclohexyl acetic acidFL/FR
toasted
 acetyl propionylFL/FR
waxy
2-methyl heptanoic acidFL/FR
2-nonanolFL/FR
delta-tetradecalactoneFL/FR
 undecanoic acidFL/FR
 
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Potential Uses:
 cheeseFL
 dairyFL
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Occurrence (nature, food, other): note
 not found in nature
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Synonyms:
2-methyl 4-pentenoic acid
2-methyl pent-4-en-1-oic acid
2-methyl pent-4-enoic acid
2-methyl-4-pentenoicacid
2-methylpent-4-en-1-oic acid
2-methylpent-4-enoic acid
4-pentenoic acid, 2-methyl-
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