Model Number

CAS NO.:4170-30-3

1.PRODUCT NAME: CROTONALDEHYDE
Other Names: 2-butenal trans-2-butenal
Formala: C4H6O
Structure: CH3CH=CHCHO
Molecular Weight: 70.09
CAS No.: 4170-30-3
UN No.: 1143
Dangerous Goods Class: 6.1
Subsidiary Risk: 3
Hazchem Code: 2WE
Poisons Schedule Number: None

2.PHYSICAL DESCRIPTION
APPEARANCE: Clear colourless liquid with extremely irritating vapour; mixes with water (18.1 g/100 ml).

Boiling Point (°C): 104
Melting Point (°C): -76
Burning Point (°C): 230
Vapour Pressure (kPa): 4.00( 20°C)
Specific Gravity(water=1): 0.85
Specific Gravity(air=1): 2.41
Flash Point (°C): 13
Lower Explosive Limit (%): 2.1
Upper Explosive Limit (%): 15.5
Combustibility : Flammability
Solubility in Water (g/L): Not available.
Soluble in alcohol, aether, benzene and toluene.

3.SPECIFICATION

SPECIFICATION STANDARD TEST RESULT
Appearance Colorless-Slightly Yellow Liquid Complied
Content Not Less Than 99.20% 99.67%
Water Not More Than 0.4% 0.013%
Color Not More Than 60 hezen Complied
Heavey Content Not More Than 0.5% Complied

4.USAGE
Manufacture of butyl alcohol, butyraldehyde, quinaldine. As a warning agent in fuel gases, in locating breaks and leaks in pipes. Used also in the manufacture of maleic acid, crotyl alcohol, butyl chloral hydrate and in rubber accelerators. Solvent in the purification of mineral oils, rubber antioxidants and insecticides. Has been used in chemical warfare.