EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

(E)-2-butenoic acid
trans-crotonic acid

Supplier Sponsors

Name:(E)-but-2-enoic acid
CAS Number: 107-93-7Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:203-533-9
FDA UNII:YW5WZZ4O5Q
Nikkaji Web:J367K
Beilstein Number:1719943
MDL:MFCD00002701
XlogP3:0.70 (est)
Molecular Weight:86.09022000
Formula:C4 H6 O2
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome or firefox)
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
Google Scholar: with word "odor"Search
Perfumer and Flavorist:Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
JECFA Food Flavoring:1371 (E)-2-butenoic acid
FEMA Number:3908 (E)-2-butenoic acid
FDA:No longer provide for the use of these seven synthetic flavoring substances
 
Physical Properties:
Appearance:white solid (est)
Assay: 98.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:1.02700 @ 25.00 °C.
Melting Point: 72.00 °C. @ 760.00 mm Hg
Boiling Point: 184.70 °C. @ 760.00 mm Hg
Boiling Point: 98.00 to 99.00 °C. @ 50.00 mm Hg
Vapor Pressure:0.190000 mmHg @ 20.00 °C.
Vapor Density:2.97 ( Air = 1 )
Flash Point: 190.00 °F. TCC ( 87.78 °C. )
logP (o/w): 0.658 (est)
Soluble in:
 alcohol
 water, 9.40E+04 mg/L @ 25 °C (exp)
Insoluble in:
 water
 
Organoleptic Properties:
Odor Type: milky
Odor Strength:medium ,
recommend smelling in a 1.00 % solution or less
milky
Odor Description:at 1.00 %. milky
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
BOC Sciences
For experimental / research use only.
Crotonic acid
Carbosynth
For experimental / research use only.
Crotonic Acid
EMD Millipore
For experimental / research use only.
Crotonic acid
Parchem
(E)-2-Butenoic Acid
Penta International
CROTONIC ACID
Santa Cruz Biotechnology
For experimental / research use only.
Crotonic acid ≥97%
Sigma-Aldrich: Aldrich
For experimental / research use only.
Crotonic acid 98%
TCI AMERICA
For experimental / research use only.
Crotonic Acid >98.0%(GC)(T)
 
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
NLM Developmental and Reproductive Toxicity: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
 
References:
 (E)-but-2-enoic acid
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):637090
Pubchem (sid):135024879
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2009
(IUPAC):Atomic Weights of the Elements 2009 (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
RSC Learn Chemistry:View
Formulations/Preparations:
•grade: 97% •technical grade, 98.5% min
 
Potential Blenders and core components note
For Odor
buttery
butyl butyryl lactate
FL/FR
coconut
delta-
nonalactone
FL/FR
creamy
para-
vanillic acid
FL/FR
fermented
butyl laevo-lactate
FL/FR
green
ivy dioxolane
FR
milky
laevo-
glutamine
CS
waxy
ethyl palmitate
FL/FR
delta-
tetradecalactone
FL/FR
2-
tridecanone
FL/FR
For Flavor
No flavor group found for these
2-
butyl thiophene
FL
6-
decenoic acid
FL
buttery
buttery
butyl laevo-lactate
FL/FR
cabbage
methyl 2-thiofuroate
FL
coconut
(R)-
massoia lactone
FL
creamy
butyl butyryl lactate
FL/FR
delta-
nonalactone
FL/FR
para-
vanillic acid
FL/FR
fatty
2-
tridecanone
FL/FR
milky
dextro,laevo-3-(
methyl thio) butanone
FL
waxy
ethyl palmitate
FL/FR
delta-
tetradecalactone
FL/FR
 
Potential Uses:
None Found
 
Occurrence (nature, food, other):note
 carrot seed
Search Trop Picture
 coffee
Search PMC Picture
 
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
 

Articles:

PubMed:Alternate Cu2 and Er2 spin carriers in a carboxylate-bridged chain: EPR study.
PubMed:1-D polymers with alternate Cu2 and Ln2 units (Ln = Gd, Er, Y) and carboxylate linkages.
PubMed:Carboxylic acid clathrate hosts of Diels-Alder adducts of phencyclone and 2-alkenoic acids. Role of bidentate C-H ... O hydrogen bonds between the phenanthrene and carbonyl groups in host-host networks.
PubMed:Reaction kinetics of 4-methoxy ortho benzoquinone in relation to its mechanism of cytotoxicity: a pulse radiolysis study.
 
Notes:
None found
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