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General Material Information

Preferred name 2-pentenoic acid
Trivial Name 2-Pentenoic acid
Short Description pent-2-enoic acid
Formula C5 H8 O2
CAS Number 626-98-2
FEMA Number 4193
ECHA Number 210-975-6
FDA UNII Search
xLogP3-AA 1.00 (est)
NMR Predictor External link
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 626-98-2 ; 2-PENTENOIC ACID
Synonyms
  • pent-2-en-1-oic acid
  • pent-2-enoic acid
  • NSC 26713
  • 3-Ethylacrylic acid
  • 3-Ethylmethacrylic acid

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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):HMDB32459
FooDB:FDB010036
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 100.11715698242
Boiling Point 201 to 203°C @ 760 mm Hg
Vapor Pressure 0.107 mmHg @ 25 °C
Flash Point TCC Value 67.22 °C TCC
logP (o/w) 1.167 est
Solubility
alcohol Yes
water, 6.29E+04 mg/L @ 25 °C (exp) Yes
water No

Organoleptic Properties

Odor Type: Cheesy
pungent, fatty
General comment At 100.00 %. pungent fatty

Occurrences

Safety Information

Safety information

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:
intraperitoneal-mouse LD50 1580 mg/kg
Journal of Pharmacy and Pharmacology. Vol. 21, Pg. 85, 1969.

Dermal Toxicity:
subcutaneous-mouse LD50 1580 mg/kg
Journal of Pharmacy and Pharmacology. Vol. 21, Pg. 85, 1969.

Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavoring agents
Recommendation for 2-pentenoic acid usage levels up to:
not for fragrance use.
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

Safety references

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 :12299
National Institute of Allergy and Infectious Diseases:Data
pent-2-enoic acid
Chemidplus:0000626982