3,6-Bis(5-broMothiophen-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione

CAS NO.：1260685-63-9
Empirical Formula: C54H86Br2N2O2S2
Molecular Weight: 1019.21
MDL number: MFCD27923046
SAFETY DATA SHEET (SDS)
Update Date: 2025-08-01 17:52:47

What is 3,6-Bis(5-broMothiophen-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione?

Description

The monomer, 3,6-bis(5-bromothiophen-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione, contains a DPP moiety. DPP backbone derivatives?as a strong acceptor unit, have a planar conjugated bicyclic structure engaging stronger π–π interactions which allows tuning the band-gap and energy-level of polymer organic semiconductors. Also long alkyl chains, namely 2-octyldodecyl, will allow better solubility for the polymer semiconductor and crystallization and aggregation capacity for the thin-film devices. DPP-containing polymers are considered promising materials for optimizing the performance of organic semiconductors.

The Uses of 3,6-Bis(5-broMothiophen-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione

3,6-Bis(5-bromothien-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4-dione is an intermediate in the synthesis of DPPT-TT which are organic thin-film transistors.

References

1.Effect of Selenophene in a DPP Copolymer Incorporating a Vinyl Group for High-Performance Organic Field-Effect Transistors, I. Kang et al., Adv. Mater., 25, 524-528 (2013).

Properties of 3,6-Bis(5-broMothiophen-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione

Melting point:	95.0-96.9℃ (hexane toluene )
Boiling point:	925.3±65.0 °C(Predicted)
Density	1.19±0.1 g/cm3(Predicted)
storage temp.	under inert gas (nitrogen or Argon) at 2–8 °C
form	solid
pka	-5.37±0.60(Predicted)
color	Dark purple

Safety information for 3,6-Bis(5-broMothiophen-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 3,6-Bis(5-broMothiophen-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione

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