Product Name

  • Name

    4-CHLORO-2-BUTYN-1-OL

  • EINECS
  • CAS No. 13280-07-4
  • Article Data55
  • CAS DataBase
  • Density 1.204g/cm3
  • Solubility
  • Melting Point
  • Formula C4H5 Cl O
  • Boiling Point 199.2°Cat760mmHg
  • Molecular Weight 104.536
  • Flash Point 74.3°C
  • Transport Information
  • Appearance
  • Safety A heat-sensitive explosive. When heated to decomposition it emits toxic fumes of Cl.
  • Risk Codes 10-20/21/22-36/37/38
  • Molecular Structure Molecular Structure of 13280-07-4 (4-CHLORO-2-BUTYN-1-OL)
  • Hazard Symbols R10:Flammable.; R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.; R34:Causes burns.;
  • Synonyms 1-Chloro-2-butyn-4-ol;1-Chloro-4-hydroxy-2-butyne; 4-Chloro-2-butyn-1-ol; 4-Chloro-2-butyne-1-ol;4-Chloro-2-butynol
  • PSA 20.23000
  • LogP 0.22090

4-Chloro-2-butynol Chemical Properties

The molecular structure of 4-Chloro-2-butynol (CAS NO.13280-07-4) is

IUPAC Name: 4-Chlorobut-2-yn-1-ol 
Molecular Formula: C4H5 Cl O
Molecular Weight: 104.54
Density: 1.204g/cm3
Boiling Point: 199.2°C at 760mmHg
Flash Point: 74.3°C
Freely Rotating Bonds: 2
Polar Surface Area: 9.23 Å2
Index of Refraction: 1.487
Molar Refractivity: 24.96 cm3
Molar Volume: 86.7 cm3
Polarizability: 9.89× 10-24 cm3
Surface Tension: 44.9 dyne/cm
Enthalpy of Vaporization: 50.66 kJ/mol
Vapour Pressure: 0.0866 mmHg at 25°C
The Cas Register Number  of 4-Chloro-2-butynol is 13280-07-4. The chemical synonyms of 4-Chloro-2-butynol  (CAS NO.13280-07-4) are 2-Butyn-1-ol, 4-chloro- ; 4-Chlorobut-2-yn-1-ol ; 1-Chloro-2-butyn-4-ol ; 4-Chloro-2-butyn-1-ol .

4-Chloro-2-butynol Uses

  4-Chloro-2-butynol (CAS NO.13280-07-4) is used in organic synthesis.

4-Chloro-2-butynol Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 56mg/kg (56mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#02978,

4-Chloro-2-butynol Safety Profile

A heat-sensitive explosive. When heated to decomposition it emits toxic fumes of Cl.
Risk Statements:10-23/24/25-34
R10:Flammable.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
R34:Causes burns.
Safety Statements: 23-26-36/37/39-45
S23:Do not inhale gas/fumes/vapour/spray.;
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 of if you feel unwell, seek medical advice immediately (show the label where possible).;

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View