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General Material Information

Preferred name (E)-2-pentenoic acid
Trivial Name trans-2-Pentenoic acid
Short Description trans-2-pentenoic acid
Formula C5 H8 O2
CAS Number 13991-37-2
FEMA Number 4193
Flavis Number 8.107
ECHA Number 237-791-9
FDA UNII 1RG66883CF
Nikkaji Number J97.997J
Beilstein Number 1720312
MDL MFCD00002704
COE Number 10163
xLogP3-AA 1.00 (est)
NMR Predictor External link
JECFA Food Flavoring 1804 (E)-2-pentenoic acid
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 626-98-2 ; 2-PENTENOIC ACID
Synonyms
  • (E)- pent-2-en-1-oic acid
  • (2E)- pent-2-enoic acid
  • (E)- pent-2-enoic acid
  • trans- pent-2-enoic acid
  • (E)-2-pentenic acid
  • (2E)-2-pentenoic acid
  • T2 pentenoic acid
  • trans-2-pentenoic acid
  • 2-pentenoic acid, (2E)-
  • 2-pentenoic acid, (E)-
  • 2-pentenoic acid, trans-
  • (E)-pent-2-enoic acid
  • 2-Pentenoic acid, (2E)-
  • 2-Pentenoic acid, (E)-
  • (2E)-2-Pentenoic acid
  • trans-2-Pentenoic acid
  • (2E)-Pent-2-enoic acid

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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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
CHEBI:View
CHEMBL:View
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2916.19.3000
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 100.11715698242
Melting Point 9 to 11°C @ 760 mm Hg
Boiling Point 197 to 199°C @ 760 mm Hg
Vapor Pressure 0.107 mmHg @ 25 °C
Vapor Density 3.4
Flash Point TCC Value 101.67 °C TCC
logP (o/w) 1.333 est
Solubility
alcohol Yes
propylene glycol Yes
water, 2.06e+004 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Cheesy
acidic, cheesy feta cheese, buttery, rancid, sour
Odor strength medium , recommend smelling in a 1.00 % solution or less
Substantivity 6 hour(s) at 100.00 %
Luebke, William tgsc, (2006) At 100.00 %. acidic feta cheese buttery
Flavor Type: Buttery
sour, acetic, buttery
Luebke, William tgsc, (2006) At 25.00 ppm in water. sour acetic buttery

Occurrences

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
C - Corrosive.
R 22 - Harmful if swallowed.
R 34 - Causes burns.
S 02 - Keep out of the reach of children.
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 28 - After contact with skin, wash immediately with plenty of water.
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

Safety in use information

Category:
flavoring agents
Recommendation for (E)-2-pentenoic acid usage levels up to:
not for fragrance use.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.012 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.03 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 3200 (μg/person/day)
Threshold of Concern:1800 (μg/person/day)
Structure Class: I
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: 22
Click here to view publication 22
average usual ppmaverage maximum ppm
baked goods: 10.0000050.00000
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: 5.0000025.00000
cheese: 3.0000015.00000
chewing gum: --
condiments / relishes: --
confectionery froastings: 10.0000050.00000
egg products: --
fats / oils: 2.0000010.00000
fish products: 2.0000010.00000
frozen dairy: 3.0000015.00000
fruit ices: 3.0000015.00000
gelatins / puddings: --
granulated sugar: --
gravies: 15.0000075.00000
hard candy: 10.0000050.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: 2.0000010.00000
milk products: 3.0000015.00000
nut products: --
other grains: 5.0000025.00000
poultry: 2.0000010.00000
processed fruits: 2.0000010.00000
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: 5.0000025.00000
snack foods: --
soft candy: 10.0000050.00000
soups: 5.0000025.00000
sugar substitutes: --
sweet sauces: 5.0000025.00000
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i).
Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 3.0000015.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 2.0000010.00000
Edible ices, including sherbet and sorbet (03.0): 3.0000015.00000
Processed fruit (04.1): 2.0000010.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 10.0000050.00000
Chewing gum (05.3): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 5.0000025.00000
Bakery wares (07.0): 10.0000050.00000
Meat and meat products, including poultry and game (08.0): 2.0000010.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): 2.0000010.00000
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 5.0000025.00000
Foodstuffs intended for particular nutritional uses (13.0): 10.0000050.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 3.0000015.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 10.0000050.00000
Ready-to-eat savouries (15.0): 15.0000075.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): --

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):

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

Scientific Opinion on Flavouring Group Evaluation 95 (FGE.95): Consideration of aliphatic, linear or branched-chain saturated and unsaturated alcohols, aldehydes, acids and related esters evaluated by JECFA (69th meeting) structurally related to esters of branched- and straight-chain aliphatic saturated primary alcohols and of one secondary alcohol, and branched- and straight-chain unsaturated carboxylic acids evaluated by EFSA in FGE.05Rev1 (2008)
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :638122
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 3265
WGK Germany:3
(E)-pent-2-enoic acid
Chemidplus:0013991372