ChemicalBook > Product Catalog > Flavors and fragrances > Synthetic fragrances > Carboxylic acids and esters > Aliphatic dicarboxylic acid esters > Ethyl crotonate
Ethyl crotonate
- Product Name:Ethyl crotonate
- CAS:623-70-1
- MF:C6H10O2
- MW:114.14
- EINECS:210-808-7
- Mol File:623-70-1.mol
-
Ethyl crotonate Chemical Properties
- 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)
- refractive index n
20/D 1.424(lit.)
- FEMA 3486 | ETHYL TRANS-2-BUTENOATE
- Flash point:36 °F
- storage temp. Flammables area
- form Liquid
- color Clear colorless
- Water Solubility INSOLUBLE
- JECFA Number1806
- Merck 14,2597
- BRN 635834
- Stability:Stable. Highly flammable. Incompatible with strong oxidizing agents.
- InChIKeyZFDIRQKJPRINOQ-HWKANZROSA-N
- CAS DataBase Reference623-70-1(CAS DataBase Reference)
- NIST Chemistry Reference2-Butenoic acid, ethyl ester, (E)-(623-70-1)
- EPA Substance Registry System2-Butenoic acid, ethyl ester, (2E)- (623-70-1)
- 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
- ToxicityLD50 orally in Rabbit: 3000 mg/kg
- Language:EnglishProvider:Ethyl crotonate
- Language:EnglishProvider:SigmaAldrich
- Language:EnglishProvider:ACROS
- Language:EnglishProvider:ALFA
Ethyl crotonate Usage And Synthesis
- Chemical propertiesIt 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.
- ProductionIt is obtained from the esterification of crotonic acid and ethanol in the presence of concentrated sulfuric acid.
- Chemical Propertiescolourless liquid
- Chemical PropertiesEthyl crotonate has a powerful, sour, caramellic-fruity odor.
- OccurrenceReported 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.
- UsesEthyl 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.
- UsesSolvent and softening agent, lacquers, organic synthesis.
- PreparationBy esterification of crotonic acid with ethyl alcohol in the presence of concentrated H2SO4.
- Taste threshold valuesTaste characteristics at 10 ppm: rum, cognac and pungent with caramellic and fruity nuances.
- HazardFlammable, dangerous fire risk. Strong irritant.
- Safety ProfileModerately 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 MethodsWash 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
- Ethyl formate Diethyl methylmalonate Triethyl citrate Ethyl pyruvate Ethyl 4-bromocrotonate Ethyl glyoxalate Ethyl heptanoate Ethyl cinnamate Diethyl malonate Ethyl acrylate Ethylparaben Ethyl crotonate Maleic acid Ethyl propiolate Diethyl maleate Crotonic acid 3-Amino-2-butenoic acid ethyl ester Trinexapac-ethyl
Ethyl crotonateSupplierMore
- Company Name:Alfa Aesar Gold
- Tel:400-610-6006
- Email:saleschina@alfa-asia.com
- Products Intro:Product Name:Ethyl crotonate, 98%
CAS:623-70-1
Package:100g Remarks:A12529
- Company Name:Founding chemical products Technology Development Co., Ltd. Gold
- Tel:03106697998 0310-6697998-
- Email:badouxianlv@hblyhk.cn
- Products Intro:Product Name:Ethyl crotonate
CAS:623-70-1
Purity:97% Package:50kg/Barrel
- Company Name:J & K SCIENTIFIC LTD.
- Tel:400-666-7788 010-82848833-
- Email:jkinfo@jkchemical.com;market6@jkchemical.com
- Products Intro:Product Name:Ethyl trans-2-butenoate, 98%
CAS:623-70-1
Purity:98% Package:100G;25G;500G
- Company Name:Meryer (Shanghai) Chemical Technology Co., Ltd.
- Tel:400-660-8290 21-61259100-
- Email:sh@meryer.com
- Products Intro:Product Name:Ethyl Crotonate
CAS:623-70-1
Purity:>98.0%(GC) Remarks:C0418
- Company Name:Arden pharmaceutical &chemical Co., Ltd
- Tel:+86-(0)533-3595900 13793319233
- Email:info@chems.com.cn
- Products Intro:Product Name:Ethyl crotonate
CAS:623-70-1
Purity:99%hplc Package:1kg;25kg