CROTONALDEHYDE

Melting point::

−76 °C(lit.)

Boiling point::

104 °C(lit.)

Density :

0.853 g/mL at 20 °C(lit.)

vapor density :

2.41 (vs air)

vapor pressure :

32 mm Hg ( 20 °C)

refractive index :

n20/D 1.437

Flash point::

48 °F

storage temp. :

2-8°C

solubility :

Miscible with alcohol, benzene, gasoline, kerosene, solvent naphtha, and toluene (Hawley, 1981)

form :

Colorless liquid

color :

Colourless

Odor Threshold:

0.023ppm

Water Solubility :

Soluble in water. (150g/L) at 20°C.

Sensitive :

Air Sensitive

Merck :

13,2624

BRN :

1209254

Henry's Law Constant:

1.92 x 10^-5 atm?m³/mol (Buttery et al., 1971)

Exposure limits:

NIOSH REL: TWA 2 ppm (6 mg/m³), IDLH 50 ppm; OSHA PEL: TWA 2 ppm; ACGIH TLV: ceiling 0.3 ppm (adopted).

Stability::

Air sensitive. Highly flammable. Readily forms explosive mixtures with air. May polymerize in the presence of acids, alkalies or amines. Uncontrolled polymerisation may lead to a rapid temperature rise. Incompatible with acids, bases, amines, strong oxidizing agents, butadiene, ketones, oxygen. May contain a stabilizer.

Symbol(GHS) 

GHS02,GHS05,GHS06,GHS08,GHS09

Signal word 

Danger

Hazard statements 

H225-H301+H311-H315-H318-H330-H335-H341-H373-H400

Precautionary statements 

P201-P210-P280-P301+P310+P330-P304+P340+P310-P305+P351+P338+P310