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
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)
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
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.
N-Bromosuccinimide Price
- Product number
- W348630
- Product name
- Ethyl trans-2-butenoate
- Purity
- natural,≥97%,FG
- Packaging
- 500g
- Price
- $230
- Updated
- 2024/03/01
- Product number
- W348630
- Product name
- Ethyl trans-2-butenoate
- Purity
- natural,≥97%,FG
- Packaging
- 1kg
- Price
- $355
- Updated
- 2024/03/01
- Product number
- W348600
- Product name
- Ethyl trans-2-butenoate
- Purity
- ≥96%, FG
- Packaging
- sample-k
- Price
- $53.8
- Updated
- 2024/03/01
- Product number
- W348630
- Product name
- Ethyl trans-2-butenoate
- Purity
- natural,≥97%,FG
- Packaging
- 5kg
- Price
- $1590
- Updated
- 2024/03/01
- Product number
- W348600
- Product name
- Ethyl trans-2-butenoate
- Purity
- ≥96%,FG
- Packaging
- 1kg
- Price
- $194
- Updated
- 2024/03/01
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
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View Lastest Price from Ethyl crotonate manufacturers
- Product
- Ethyl crotonate 623-70-1
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 1ton
- Release date
- 2019-07-11
- Product
- Ethyl crotonate 623-70-1
- Price
- US $7.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 100kg
- Release date
- 2018-12-21