ETHYL 2-CYANO-3-METHYLCROTONATE Property

Melting point:

ca 20℃

Boiling point:

98-99 °C/1 mmHg (lit.)

Density 

1.014 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.464(lit.)

Flash point:

224 °F

BRN 

507839

Safety

Hazard Codes 

Xn

Risk Statements 

20/21/22-36/37/38

Safety Statements 

26-37/39

RIDADR 

3276

WGK Germany 

3

HazardClass 

6.1

PackingGroup 

III

HS Code 

29269095

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

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

ETHYL 2-CYANO-3-METHYLCROTONATE Chemical Properties,Usage,Production

Chemical Properties

clear colorless to slightly yellow liquid

Synthesis Reference(s)

Journal of the American Chemical Society, 71, p. 3418, 1949 DOI: 10.1021/ja01178a044

General Description

Ethyl 2-cyano-3-methyl-2-butenoate, a highly activated acceptor, undergoes the phospha-Michael reaction upon trituration of the reagents at room temperature.