3,4-Propylenedioxythiophene

Modify Date: 2025-08-25 09:08:48

3,4-Propylenedioxythiophene Structure
3,4-Propylenedioxythiophene structure
Common Name 3,4-Propylenedioxythiophene
CAS Number 155861-77-1 Molecular Weight 156.20200
Density 1.244g/cm3 Boiling Point 229.704ºC at 760 mmHg
Molecular Formula C7H8O2S Melting Point 79-83ºC
MSDS Chinese USA Flash Point 92.722ºC

 Names

Name 3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.244g/cm3
Boiling Point 229.704ºC at 760 mmHg
Melting Point 79-83ºC
Molecular Formula C7H8O2S
Molecular Weight 156.20200
Flash Point 92.722ºC
Exact Mass 156.02500
PSA 46.70000
LogP 1.90940
Vapour Pressure 0.104mmHg at 25°C
Index of Refraction 1.55

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR NONH for all modes of transport
WGK Germany 3

 Synonyms

3,4-(propane-1,3-diyldioxy)thiophene
ProDOT
3,4-Propylenedioxythiophene
3,4-Dihydro-2H-thieno[3,4-b][1,4]dioxepin
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