3,4-dimethylthieno[2,3-b]thiophene-5-carbaldehyde
Names
[ CAS No. ]:
159709-36-1
[ Name ]:
3,4-dimethylthieno[2,3-b]thiophene-5-carbaldehyde
[Synonym ]:
3,5-dimethyl thieno(2,3-b) thiophene 2-carboxaldehyde
2-formyl-3,4-dimethylthieno[2,3-b]thiophene
3,4-Dimethyl-thieno[2,3-b]thiophene-2-carbaldehyde
3,4-Dimethylthieno[2,3-b]thiophene-2-carboxaldehyde
Chemical & Physical Properties
[ Density]:
1.337g/cm3
[ Boiling Point ]:
346.9ºC at 760mmHg
[ Melting Point ]:
147-149ºC
[ Molecular Formula ]:
C9H8OS2
[ Molecular Weight ]:
196.28900
[ Flash Point ]:
163.6ºC
[ Exact Mass ]:
196.00200
[ PSA ]:
73.55000
[ LogP ]:
3.39210
[ Vapour Pressure ]:
5.58E-05mmHg at 25°C
[ Index of Refraction ]:
1.708
MSDS
Safety Information
[ Hazard Codes ]:
Xi: Irritant;
[ 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%