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Cas Database |
| Name |
2-Ethynylthiophene |
EINECS | N/A |
| CAS No. | 4298-52-6 | Density | 1.11 g/cm3 |
| PSA | 28.24000 | LogP | 1.72940 |
| Solubility | N/A | Melting Point |
N/A |
| Formula | C6H4S | Boiling Point | 150 °C at 760 mmHg |
| Molecular Weight | 108.164 | Flash Point | 28.4 °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | 16-23-26-36/37/39 | Risk Codes | 10-36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
2-Thienylacetylene;2-Thienylethyne;2-Ethynylthiophene;2-Acetylenethiophene; |
Article Data | 1 |
2-Ethynylthiophene Chemical Properties
Molecular Structure of 2-Ethynylthiophene (CAS NO.4298-52-6):
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IUPAC Name: 2-ethynylthiophene
CAS: 4298-52-6
Empirical Formula: C6H4S
Molecular Weight: 108.161
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 28.24 Å2
Index of Refraction: 1.571
Molar Refractivity: 31.95 cm3
Molar Volume: 97.1 cm3
Surface Tension: 42.3 dyne/cm
Density: 1.11 g/cm3
Flash Point: 28.4 °C
Enthalpy of Vaporization: 37.09 kJ/mol
Boiling Point: 150 °C at 760 mmHg
Vapour Pressure: 5 mmHg at 25°C
storage temp: Store Cold
Product Categories of 2-Ethynylthiophene (CAS NO.4298-52-6): Thiophenes & Benzothiophenes; Thiophenes & Benzothiophenes
2-Ethynylthiophene Safety Profile
Hazard Codes: 
Xi
Risk Statements: 10-36/37/38
R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 16-23-26-36/37/39
S16:Keep away from sources of ignition.
S23:Do not breathe vapour.
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.
Hazard Note: Irritant
2-Ethynylthiophene Specification
2-Ethynylthiophene , with CAS number of 4298-52-6, can be called 2-Ethynylthiophene ; timtec-bb sbb008821 ; Thiophene, 2-ethynyl- (6CI, 7CI, 8CI, 9CI) ; 2-Ethynylthiophene 90% .
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