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4894-61-5

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Basic Information
CAS No.: 4894-61-5
Name: (E)-1-Chlorobut-2-ene
Article Data: 76
Molecular Structure:
Molecular Structure of 4894-61-5 ((E)-1-Chlorobut-2-ene)
Formula: C4H7 Cl
Molecular Weight: 90.5526
Synonyms: 2-Butene,1-chloro-, (E)- (8CI); 2-Butene, 1-chloro-, trans- (4CI);(E)-1-Chloro-2-butene; (E)-2-Butenyl chloride; (E)-Crotyl chloride; trans-1-Chloro-2-butene;trans-4-Chloro-2-butene; trans-But-2-enyl chloride; trans-Crotyl chloride;trans-g-Methallyl chloride
EINECS: 225-516-5
Density: 0.92
Melting Point: -65ºC
Boiling Point: 80-85 ºC
Flash Point: -15 ºC
Appearance: Clear Colourless liquid
Hazard Symbols:
Risk Codes: R11;R22;R34   
Safety: 16-26-36/37/39-45-25-27
PSA: 0.00000
LogP: 1.80130
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Chemistry

Molecular Structure of N-[1-Methyl-3-[2-(4-phenoxyphenoxy)-1,3-thiazol-5-yl]prop-2-ynyl]acetamide (CAS NO.903886-81-7):

Molecular Formula: C4H7Cl
Molecular Weight: 90.5514
IUPAC Name: 1-Chlorobut-2-ene
Synonyms of (E)-1-Chlorobut-2-ene (CAS NO.4894-61-5): (E)-1-Chloro-2-butene ; EINECS 225-516-5 ; trans-1-Chloro-2-butene ; 2-Butene, 1-chloro-, (2E)-
CAS NO: 4894-61-5
Melting point: -65 °C
Index of Refraction: 1.425
Molar Refractivity: 25.48 cm3
Molar Volume: 99.5 cm3
Surface Tension: 22.5 dyne/cm
Density: 0.909 g/cm3
Enthalpy of Vaporization: 31.14 kJ/mol
Boiling Point: 84.5 °C at 760 mmHg
Vapour Pressure of (E)-1-Chlorobut-2-ene (CAS NO.4894-61-5): 80.6 mmHg at 25°C

Safety Profile

Hazard Codes of (E)-1-Chlorobut-2-ene (CAS NO.4894-61-5): FlammableF,CorrosiveC
Risk Statements: 11-22-34-36/37 
R11: Highly flammable. 
R22: Harmful if swallowed. 
R34: Causes burns. 
R36/37: Irritating to eyes and respiratory system.
Safety Statements: 16-26-36/37/39-45-25-27 
S16: Keep away from sources of ignition. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
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.) 
S25: Avoid contact with eyes. 
S27: Take off immediately all contaminated clothing.
RIDADR: UN 2924 3/PG 2
WGK Germany: 2
RTECS: EM4264000
F: 19
HazardClass: 3.1
PackingGroup: II