Ethyl 2-cyano-3-methylcrotonate

  • Ethyl isopropylidene(cyano)acetate
  • Ethyl 2-cyano-3-methyl-2-butenoate
  • Ethyl 2-isopropylidene-2-cyanoacetate
  • 2-Cyano-3-methyl-2-butenoic acid ethyl ester
Formula
C8H11NO2
Structure

Registry Numbers and Inventories.
CAS
759-58-0
R 20/21/22 36/38
S 26 36/37/39
UN (DOT)
3276
Beilstein/Gmelin
507839
Beilstein Reference
4-02-00-02245

Properties.
Formula
C8H11NO2
Formula mass
153.18
Melting point, °C
31
Boiling point, °C
50 (0.01 torr)
Density
1.014 g/cm3
Solubility in water
Slightly soluble
Refractive index
1.4673 (22 C)

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Stability
No data.
Incompatibilities
Strong oxidizing agents, strong bases.
Decomposition
Carbon monoxide, oxides of nitrogen, carbon dioxide.

Fire.
Flash Point,°C
107
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Health.
Exposure effects
   Ingestion
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
   Inhalation
Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
UN number
3276
Response guide