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625-35-4

Basic Information
CAS No.: 625-35-4
Name: 2-Butenoyl chloride,(2E)-
Article Data: 54
Cas Database
Molecular Structure:
Molecular Structure of 625-35-4 (2-Butenoyl chloride,(2E)-)
Formula: C4H5ClO
Molecular Weight: 104.536
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;
EINECS: 210-889-9
Density: 1.081 g/cm3
Melting Point: 72-74 °C
Boiling Point: 124.5 °C at 760 mmHg
Flash Point: 35 °C
Solubility: Reacts with water.
Appearance: clear colourless to brown liquid
Hazard Symbols: CorrosiveC
Risk Codes: 10-34-36/37
Safety: 16-26-27-36/37/39-45-28A-24/25
Transport Information: UN 2920 8/PG 2
PSA: 17.07000
LogP: 1.32790
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  • Crotonyl chloride, 90+ %, remainder mainly cis-isomer

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    625-35-4

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  • (E)-2-Butenoyl chloride

  • Casno:

    625-35-4

    (E)-2-Butenoyl chloride

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  • 2-Butenoyl chloride

  • Casno:

    625-35-4

    2-Butenoyl chloride

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  • (E)-2-Butenoyl chloride

  • Casno:

    625-35-4

    (E)-2-Butenoyl chloride

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  • CAS NO.:625-35-4

  • Casno:

    625-35-4

    CAS NO.:625-35-4

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  • Casno:

    625-35-4

    Crotonyl chloride

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  • 2-Butenoyl chloride,(2E)-

  • Casno:

    625-35-4

    2-Butenoyl chloride,(2E)-

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    Comply with CP,JP,EP,US GradeAppearance:White Solid Storage:Stored under room temperature in cool and dry place Package:In 25KG paper or plastic drums Application:Used as pharmaceutical Intermeidate Transportation:Shipped as non- dangerous chemicals

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Chemistry

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.

Uses

 2-Butenoyl chloride,(2E)- (CAS NO.625-35-4) is used as organic reagent and pharmaceutical intermediate.

Safety Profile

Hazard Symbol: CorrosiveC
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