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Name |
4-Chloro-2-butynol |
EINECS | N/A |
CAS No. | 13280-07-4 | Density | 1.204g/cm3 |
PSA | 20.23000 | LogP | 0.22090 |
Solubility | N/A | Melting Point |
N/A |
Formula | C4H5 Cl O | Boiling Point | 199.2°Cat760mmHg |
Molecular Weight | 104.536 | Flash Point | 74.3°C |
Transport Information | N/A | Appearance | N/A |
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 | 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 |
Article Data | 55 |
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 Å 2
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 (CAS NO.13280-07-4) is used in organic synthesis.
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, |
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).;