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Cas Database |
| Name |
(E)-2-Butenoyl chloride |
EINECS | 210-889-9 |
| CAS No. | 625-35-4 | Density | 1.081 g/cm3 |
| PSA | 17.07000 | LogP | 1.32790 |
| Solubility | Reacts with water. | Melting Point |
72-74 °C |
| Formula | C4H5ClO | Boiling Point | 124.5 °C at 760 mmHg |
| Molecular Weight | 104.536 | Flash Point | 35 °C |
| Transport Information | UN 2920 8/PG 2 | Appearance | clear colourless to brown liquid |
| Safety | 16-26-27-36/37/39-45-28A-24/25 | Risk Codes | 10-34-36/37 |
| Molecular Structure |
|
Hazard Symbols |
 C
|
| Synonyms |
2-Butenoylchloride, (E)-;Crotonoyl chloride, (E)- (8CI);(2E)-2-Butenoyl chloride;(E)-But-2-enoyl chloride;(E)-Crotonic acid chloride;(E)-Crotonoyl chloride;(E)-Crotonyl chloride;trans-2-Butenoyl chloride;trans-Crotonoyl chloride; |
Article Data | 54 |
(E)-2-Butenoyl chloride Chemical Properties
IUPAC Name: (E)-But-2-enoyl chloride
Molecular Formula: C4H5Cl O
Molecular Weight: 104.53
EINECS: 210-889-9
Density: 0.909 g/cm3
Boiling Point: 84.5 °C at 760 mmHg
Flash Point: 35 ºC
Appearance: colorless liquid
Freely Rotating Bonds: 1
Polar Surface Area: 0 Å2
Index of Refraction: 1.425
Molar Refractivity: 25.48 cm3
Molar Volume: 99.5 cm3
Polarizability: 10.1 ×10-24 cm3
Surface Tension: 22.5 dyne/cm
Enthalpy of Vaporization: 31.14 kJ/mol
Vapour Pressure: 80.6 mmHg at 25°C
The Cas Register Number of 2-Butenoyl chloride,(2E)- is 625-35-4. The chemical synonyms of 2-Butenoyl chloride,(2E)- (CAS NO.625-35-4) are 2-Butenoylchloride, (E)- ; Crotonoyl chloride, (E)- (8CI) ; (2E)-2-Butenoyl chloride ; (E)-But-2-enoyl chloride ; (E)-Crotonic acid chloride ; (E)-Crotonoyl chloride ; (E)-Crotonyl chloride ; trans-2-Butenoyl chloride ; trans-Crotonoyl chloride ; trans-Crotonyl chloride .
The molecular structure of 2-Butenoyl chloride,(2E)- (CAS NO.625-35-4) is.png)
.
(E)-2-Butenoyl chloride Uses
2-Butenoyl chloride,(2E)- (CAS NO.625-35-4) is used as organic reagent and pharmaceutical intermediate.
(E)-2-Butenoyl chloride Safety Profile
Hazard Symbol: 
C
Risk Codes: R10;R34
R10: Flammable.
R34: Causes burns.
Safety Description: S16;S24/25;S28
S16: Keep away from sources of ignition.
S24/25: Avoid contact with skin and eyes.
S28: After contact with skin, wash immediately with plenty of soap-suds.
Transport Information: UN 2920
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