Chemical properties Application Production
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Ethyl crotonate

Chemical properties Application Production
Product Name
Ethyl crotonate
CAS No.
623-70-1
Chemical Name
Ethyl crotonate
Synonyms
(E)-ethyl but-2-enoate;ethyl (E)-2-butenoate;ETHYL TRANS-2-BUTENOATE;TRANS-ETHYL CROTONATE;CL078;FEMA 3486;ETHYL CROTONATE;Ethyl Croronate;Ethyl-2-Crotonate;trans-2-butenoate
CBNumber
CB5241198
Molecular Formula
C6H10O2
Formula Weight
114.14
MOL File
623-70-1.mol
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Ethyl crotonate Property

Melting point:
37.22°C (estimate)
Boiling point:
142-143 °C(lit.)
Density 
0.918 g/mL at 25 °C(lit.)
vapor density 
3.9 (vs air)
vapor pressure 
65 hPa (50 °C)
FEMA 
3486 | ETHYL TRANS-2-BUTENOATE
refractive index 
n20/D 1.424(lit.)
Flash point:
36 °F
storage temp. 
Store below +30°C.
solubility 
Chloroform (Slightly), Ethyl Acetate (Slightly)
form 
Liquid
color 
Clear colorless
Odor
at 10.00 % in dipropylene glycol. pungent chemical diffusive sweet alliaceous caramel rum
Odor Type
fermented
Water Solubility 
INSOLUBLE
Merck 
14,2597
JECFA Number
1806
BRN 
635834
Dielectric constant
5.4（20℃）
Stability:
Stable. Highly flammable. Incompatible with strong oxidizing agents.
InChIKey
ZFDIRQKJPRINOQ-HWKANZROSA-N
LogP
1.85
CAS DataBase Reference
623-70-1(CAS DataBase Reference)
NIST Chemistry Reference
2-Butenoic acid, ethyl ester, (E)-(623-70-1)
EPA Substance Registry System
2-Butenoic acid, ethyl ester, (2E)- (623-70-1)
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Safety

Hazard Codes 
F,C,Xi
Risk Statements 
11-34-36
Safety Statements 
16-26-36/37/39-45-9-33
RIDADR 
UN 1862 3/PG 2
WGK Germany 
2
RTECS 
GQ3500000
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29161980
Toxicity
LD50 orally in Rabbit: 3000 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H319Causes serious eye irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W348630
Product name
Ethyl trans-2-butenoate
Purity
natural,≥97%,FG
Packaging
500g
Price
$230
Updated
2024/03/01
Sigma-Aldrich
Product number
W348630
Product name
Ethyl trans-2-butenoate
Purity
natural,≥97%,FG
Packaging
1kg
Price
$355
Updated
2024/03/01
Sigma-Aldrich
Product number
W348630
Product name
Ethyl trans-2-butenoate
Purity
natural,≥97%,FG
Packaging
5kg
Price
$1590
Updated
2024/03/01
Sigma-Aldrich
Product number
W348600
Product name
Ethyl trans-2-butenoate
Purity
≥96%, FG
Packaging
sample-k
Price
$53.8
Updated
2024/03/01
Sigma-Aldrich
Product number
W348600
Product name
Ethyl trans-2-butenoate
Purity
≥96%,FG
Packaging
1kg
Price
$194
Updated
2024/03/01
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Ethyl crotonate Chemical Properties,Usage,Production

Chemical properties

It appears as colorless to pale yellow liquid with the boiling point of 136 ° C and flash point of 22 ° C. It exhibits strong acid coke and fruit aroma with the incense of rum and ether.
The natural products exist in apples, papaya, strawberries, rums, wines and cocoa.

Application

  • It as allowable food spices. Mainly used for the preparation of fruit wine flavor.
  • Used as the intermediate of organic synthesis, solvents, paint softener.

Production

It is obtained from the esterification of crotonic acid and ethanol in the presence of concentrated sulfuric acid.

Chemical Properties

colourless liquid

Chemical Properties

Ethyl crotonate has a powerful, sour, caramellic-fruity odor.

Occurrence

Reported found in Fragaria vesca. Also reported found in guava fruit, guava peel, pineapple, white wine, yellow passion fruit, fresh mango, naranjilla fruit, mussel, loganberry, apple, papaya, concord grape, strawberry, rum, cocoa, plum, kiwifruit and other natural sources.

Uses

Ethyl crotonate is used as a solvent for cellulose esters as well as a plasticizer for acrylic resins.

Uses

Solvent and softening agent, lacquers, organic synthesis.
The commercial Ethyl crotonate, used in flavor compositions, is a liquid. It has a powerful and diffusive, sourcaramellic-fruity odor, reminiscent of unripe berries. This ester is used in imitation Strawberry, occasionally also in Pineapple or other imitation fruit flavors. The concentration used is generally very low, classified as "traces" only.

Uses

Ethyl Crotonate is a synthetic flavoring agent that is a moderately stable, colorless to light yellow liquid of sharp winey note. it should be stored in glass, tin, or resin-lined containers. it is used in fruit flavors for application in baked goods, beverages, and candy at 2–7 ppm.

Preparation

By esterification of crotonic acid with ethyl alcohol in the presence of concentrated H2SO4.

Definition

ChEBI: Ethyl crotonate is a fatty acid ester.

Taste threshold values

Taste characteristics at 10 ppm: rum, cognac and pungent with caramellic and fruity nuances.

General Description

Ethyl trans-2-butenoate is a volatile flavor compound found in fruits such as cashew apple, African star apple, naranjilla fruit and sweet passion fruit.

Hazard

Flammable, dangerous fire risk. Strong irritant.

Safety Profile

Moderately toxic by ingestion and probably by inhalation. A skin , mucous membrane, and severe eye irritant. Very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. To fight fire, use foam, CO2, or dry chemical. See also ESTERS. When heated to decomposition it emits acrid smoke and fumes.

Purification Methods

Wash it with aqueous 5% Na2CO3, then with saturated aqueous CaCl2, dry it with CaCl2 and distil it. [Beilstein 2 IV 1500.]

Ethyl crotonate Preparation Products And Raw materials

Raw materials

Preparation Products

Hymexazol 4-HYDROXY-2-METHYLQUINOLINE 4-CHLORO-2-METHYLQUINOLINE VINCLOZOLIN Pirimicarb 2-Methylsuccinic acid
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Ethyl crotonate Suppliers

Americas 1 Belgium 1 China 126 Europe 1 Germany 5 India 8 Japan 4 Singapore 2 Spain 1 Switzerland 1 United Kingdom 8 United States 49 USA 1 Global 208
HBCChem, Inc.
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View Lastest Price from Ethyl crotonate manufacturers

Career Henan Chemical Co
Product
Ethyl crotonate 623-70-1
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
1ton
Release date
2019-07-11
Career Henan Chemical Co
Product
Ethyl crotonate 623-70-1
Price
US $7.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
100kg
Release date
2018-12-21

623-70-1, Ethyl crotonateRelated Search:

Ethyl glyoxalate Ethyl heptanoate Ethyl cinnamate Diethyl malonate Ethyl acrylate Ethylparaben Maleic acid Ethyl propiolate Diethyl maleate Crotonic acid Ethyl formate Diethyl methylmalonate Triethyl citrate Ethyl pyruvate Trinexapac-ethyl Ethanol Monobutyl maleate ISOXADIFEN-ETHYL

  • ETHYL CROTONATE FOR SYNTHESIS
  • Ethyl Crotonate, 97+%
  • (E)-2-Butenoic acid ethyl ester
  • (e)-alpha-crotonicacidethyleste
  • (E)-CH3CH=CHCOOC2H5
  • (e)-crotonated’ethyl
  • alpha-Crotonic acid ethyl ester
  • Crotonate D'ethyle
  • Crotonic acid, ethyl ester, (E)-
  • ethyl (E)-2-butenoate
  • Ethyl (E)-crotonate
  • ethyl(e)-2-butenoate
  • ethyl(e)-crotonate
  • ethylester,(e)-2-butenoicaci
  • ethylester,(e)-crotonicaci
  • trans-but-2-enoicacidethylester
  • (E)-ethyl but-2-enoate
  • TRANS-2-BUTENOIC ACID ETHYL ESTER
  • TRANS-ETHYL CROTONATE
  • RARECHEM AL BI 0145
  • CROTONIC ACID ETHYL ESTER
  • FEMA 3486
  • ETHYL CROTONATE
  • ETHYL TRANS-2-BUTENOATE
  • ETHYL T2 BUTENOATE
  • ETHYL TRANS-CROTONATE
  • 2-Crotonic acid，ethyl ester
  • ETHYL CROTONATE, 96%, PREDOMINANTLY TRAN S
  • ETHYL TRANS-2-BUTENOATE 96+%
  • Ethylcrotonate,98+%
  • Ethyl-2-Crotonate
  • Ethyl Croronate
  • 2-Butenoic acid, ethyl ester, (2E)-
  • (E)-But-2-enoic acid ethyl ester
  • ethyl ester, (e)-2-butenoic acid
  • ethyl ester, (e)-crotonic acid
  • ETHYL CROTONATE, NATURAL
  • trans-2-butenoate
  • trans-Ethyl crotonate (E)-2-Butenoic acid ethyl ester
  • (E)-2-Butenoic acid ethyl
  • Crotonic acid ethyl
  • CL078
  • ethyl (E)-2-crotonate
  • trans-Ethyl crotonate,96%
  • Ethyl trans-2-crotonate
  • Ethyl Crotonate &gt
  • Ethyl crotonate USP/EP/BP
  • Ethyl crotonate(kosher)
  • Lactic acid impurity 87
  • 623-70-1
  • 105544-63-5
  • C6H10O2
  • C6H1002
  • C3H5COOC2H5
  • CH3CHCHCOOC2H5
  • CH3CHCHCO2CH2CH3
  • C6 to C7
  • Carbonyl Compounds