623-70-1

Name Ethyl crotonate
CAS 623-70-1
EINECS(EC#) 210-808-7
Molecular Formula C6H10O2
MDL Number MFCD00009289
Molecular Weight 114.14
MOL File 623-70-1.mol
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Chemical Properties

Appearance colourless liquid
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
refractive index  n20/D 1.424(lit.)
Fp  36 °F
storage temp.  Flammables area
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
Stability: Stable. Highly flammable. Incompatible with strong oxidizing agents.
biological source synthetic
Odor Type fermented
Water Solubility  INSOLUBLE
JECFA Number 1806
Merck  2597
BRN  635834
Dielectric constant 5.4（20℃）
Major Application flavors and fragrances
InChI 1S/C6H10O2/c1-3-5-6(7)8-4-2/h3,5H,4H2,1-2H3/b5-3+
InChIKey ZFDIRQKJPRINOQ-HWKANZROSA-N
SMILES O(CC)C(=O)\C=C\C
LogP 1.85
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.
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 623-70-1(EPA Substance)
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Safety Data

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)
GHS02,GHS07
Signal word  Danger
Hazard statements  H225-H319
Precautionary statements  P210-P233-P240-P241-P242-P305+P351+P338
Hazard Codes  F,C,Xi
Risk Statements 
R11:Highly Flammable.
R34:Causes burns.
R36:Irritating to the eyes.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S9:Keep container in a well-ventilated place .
S33:Take precautionary measures against static discharges .
RIDADR  UN 1862 3/PG 2
WGK Germany  2
RTECS  GQ3500000
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29161980
Storage Class 3 - Flammable liquids
Hazard Classifications Eye Irrit. 2
Flam. Liq. 2
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.
Toxicity
LD50 orally in Rabbit: 3000 mg/kg

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