(Ethoxymethylene)propanedinitrile

  • (Ethoxymethylene)malonodinitrile
  • (Ethoxymethylene)malononitrile
  • 2-Cyano-3-ethoxyacrylonitrile
  • 1-Ethoxy-2,2-dicyanoethylene
  • 2-Ethoxy-1,1-ethenedicarbonitrile
  • 1,1-Dicyano-2-ethoxyethene
Formula
C6H6N2O
Structure
Description
Orange crystalline powder.

Registry Numbers and Inventories.
CAS
123-06-8
EC (EINECS/ELINCS)
204-597-0
R 23/24/25 42/43
S 22 26 36/37/39 45
RTECS
OO3850000
RTECS class
Other
UN (DOT)
3276
Beilstein/Gmelin
1634241
Beilstein Reference
4-03-00-01194
Canada DSL/NDSL
DSL
US TSCA
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C6H6N2O
Formula mass
122.12
Melting point, °C
71 - 72
Boiling point, °C
296
Vapor pressure, mmHg
0.0015 (25 C)
Solubility in water
Soluble
Partition coefficient, pKow
0.31
Heat of vaporization
53.6 kJ/mol

Hazards and Protection.
Storage
Store in a tightly closed container. Store in a cool, dry area away from incompatible substances.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Use with adequate ventilation. Use only in a chemical fume hood. Wash clothing before reuse. Do not breathe dust.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong reducing agents, strong acids, strong bases.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
135
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
Effects may be delayed.
   Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
   Inhalation
May cause allergic respiratory reaction. Can produce delayed pulmonary edema. Causes irritation of the mucous membrane and upper respiratory tract.
   Skin
Causes skin irritation. May cause allergic sensitization in certain individuals.
   Eyes
Causes eye irritation. May cause chemical conjunctivitis.

First aid
 
   Ingestion
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
   Eyes
Immediately 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