2-Ethynylthiophene
Names
[ CAS No. ]:
4298-52-6
[ Name ]:
2-Ethynylthiophene
[Synonym ]:
ethynylthiophene
2-Acetylenylthiophene
thienylacetylene
(2-Thienyl)acetylene
Thiophene, 2-ethynyl-
Thiophene,2-ethynyl
2-Ethynylthiophene
Chemical & Physical Properties
[ Density]:
1.1±0.1 g/cm3
[ Boiling Point ]:
150.0±13.0 °C at 760 mmHg
[ Molecular Formula ]:
C6H4S
[ Molecular Weight ]:
108.161
[ Flash Point ]:
28.4±6.0 °C
[ Exact Mass ]:
108.003372
[ PSA ]:
28.24000
[ LogP ]:
2.08
[ Vapour Pressure ]:
5.0±0.3 mmHg at 25°C
[ Index of Refraction ]:
1.571
[ Storage condition ]:
Store Cold
MSDS
Safety Information
[ Symbol ]:
GHS07
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H302-H319
[ Precautionary Statements ]:
P305 + P351 + P338
[ Hazard Codes ]:
Xi: Irritant;
[ Risk Phrases ]:
R10;R36/37/38
[ Safety Phrases ]:
S16-S23-S26-S36/37/39
[ RIDADR ]:
UN 1993C 3 / PGIII
[ Packaging Group ]:
III
[ HS Code ]:
2934999090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2934999090
[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%