IUPAC Name: 2-(1-Ethoxyethylidene)propanedinitrile
Synonyms of (1-Ethoxyethylidene)malononitrile) (CAS NO.5417-82-3): (1-Ethoxyethylidene)propanedinitrile ; 2-(1-Ethoxyethylidene)malononitrile ; Malononitrile, (1-ethoxyethylidene)- (6CI,7CI,8CI) ; Propanedinitrile, (1-ethoxyethylidene)- ; Propanedinitrile, 2-(1-ethoxyethylidene)- 
Product Categories: blocks;BuildingBlocks;Carboxes;C6 to C7;Cyanides/Nitriles;Nitrogen Compounds
CAS NO: 5417-82-3
Molecular Formula: C₇H₈N₂O
Molecular Weight: 136.1512
Molecular Structure:
EINECS: 226-521-5
H bond acceptors: 3
H bond donors: 0
Freely Rotating Bonds: 2
Polar Surface Area: 56.81 Å²
Index of Refraction: 1.461
Molar Refractivity: 35.79 cm³
Molar Volume: 130.4 cm³
Surface Tension: 39.2 dyne/cm
Density: 1.043 g/cm³
Flash Point: 137.1 °C
Enthalpy of Vaporization: 55.36 kJ/mol
Boiling Point: 312.6 °C at 760 mmHg
Vapour Pressure: 0.000524 mmHg at 25°C
 Melting Point: 90-92 °C(lit.)
Appearance: (1-Ethoxyethylidene)malononitrile) (CAS NO.5417-82-3) is white to beige crystalline powder and chunks.

Reported in EPA TSCA Inventory.

Hazard Codes: Xn
Risk Statements: 20/21/22-36/37/38
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38: (1-Ethoxyethylidene)malononitrile) (CAS NO.5417-82-3) is irritating to eyes, respiratory system and skin.
Safety Statements: 26-28-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S28: After contact with skin, wash immediately with plenty of soap-suds. 
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 the label whenever possible.)
RIDADR: UN 3439 6.1/PG 3
WGK Germany: 3
RTECS: TY1510000
HazardClass: 6.1(b)
PackingGroup: III

A poison by ingestion. When heated to decomposition it emits toxic vapors of NO_x.

1.General Information: As in any fire, 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.
2.Extinguishing Media: In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. 
3.Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
4.Storage: Store in a cool, dry place. Keep container closed when not in use.