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(E)-2-butenoic acid

Chemical Structure

General Material Information

Preferred name (E)-2-butenoic acid
Trivial Name trans-Crotonic acid
Short Description trans-crotonic acid
Formula C4 H6 O2
CAS Number 107-93-7
FEMA Number 3908
ECHA Number 203-533-9
FDA UNII YW5WZZ4O5Q
Nikkaji Number J367K
Beilstein Number 1719943
MDL MFCD00002701
Bio Activity Summary External link
NMR Predictor External link
JECFA Food Flavoring 1371 (E)-2-butenoic acid
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
Synonyms
  • (2E)- but-2-enoic acid
  • (E)- but-2-enoic acid
  • (2E)-2-butenoic acid
  • trans-2-butenoic acid
  • 2-butenoic acid, (2E)-
  • 2-butenoic acid, (E)-
  • (E)- crotonic acid
  • trans- crotonic acid
  • (E)-but-2-enoic acid
  • 2-Butenoic acid, (2E)-
  • Crotonic acid, (E)-
  • 2-Butenoic acid, (E)-
  • (2E)-2-Butenoic acid
  • trans-Crotonic acid
  • (E)-Crotonic acid
  • trans-2-Butenoic acid
  • NSC 8751

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
CHEBI:View
CHEMBL:View
KEGG (GenomeNet):C01771
HMDB (The Human Metabolome Database):HMDB10720
Export Tariff Code:2916.19.3000
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View
Formulations/Preparations:
•grade: 97% •technical grade, 98.5% min

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 86.090217590332
Specific gravity @ 25 °C
Pounds per Gallon
Boiling Point 98 to 99°C @ 50 mm Hg
Vapor Pressure 0.19 mmHg @ 20 °C
Vapor Density 2.97
Flash Point TCC Value 87.78 °C TCC
logP (o/w) 0.658 est
Solubility
alcohol Yes
water, 9.40E+04 mg/L @ 25 °C (exp) Yes
water No

Organoleptic Properties

Odor Type: Milky
milky
General comment At 1.00 %. milky

Occurrences

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
C - Corrosive.
R 21/22 - Harmful in contact with skin and if swallowed.
R 34 - Causes burns.
S 02 - Keep out of the reach of children.
S 20/21 - When using do not eat, drink or smoke.
S 22 - Do not breath dust.
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.
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-butenoic 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: 19
Click here to view publication 19
average usual ppmaverage maximum ppm
baked goods: 5.000007.00000
beverages(nonalcoholic): 2.000005.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: 0.200000.50000
fish products: --
frozen dairy: 5.000007.00000
fruit ices: --
gelatins / puddings: 5.000007.00000
granulated sugar: --
gravies: --
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: 5.000007.00000
soups: --
sugar substitutes: --
sweet sauces: --

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 :637090
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 2823
WGK Germany:3
(E)-but-2-enoic acid
Chemidplus:0000107937
RTECS:GQ2800000 for cas# 107-93-7