Pharmaceutical Materials

CAS Number: 3141-27-3

Molecular Formula: C4H2Br2S

Molecular Weight: 241.93 g/mol

Appearance: Shallow yellow liquid

Melting Point: -6 °C

Boiling Point: 209.5 °C

Density: 2.2 g/cm3

Usage: Used as an intermediate in organic synthesis and material chemistry.

 

Aspect	Details
Name	2.5-Dibromothiophene
CAS Number	3141-27-3
Chemical Formula	C₄H₂Br₂S
Molecular Weight	241.93 g/mol
Physical Appearance	Light yellow to transparent liquid
Melting Point	-6°C
Boiling Point	211°C
Density	2.147 g/mL at 25°C
Reactivity	Highly reactive due to bromine atoms; participates in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Stille).
Solubility	Insoluble in water; soluble in organic solvents (e.g., chloroform, methanol).
Applications	– Organic Synthesis: Intermediate in the synthesis of conjugated thiophene derivatives for OLEDs, organic solar cells, and electronic materials.
	– Material Chemistry: Used to introduce thiophene units into bioactive molecules and functional materials.
Safety Information	– Hazards: Toxic, irritant (T+, Xi); H315. H319. H335 warnings.
	– Handling: Requires inert atmosphere, PPE (gloves, goggles), and proper ventilation.
Storage Conditions	Store in a cool, dark, and dry place; avoid exposure to moisture and light.

Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.

If you're ready to take the next step, Leave your message below and we’ll reply soon. 20+ years of chemical manufacturing & export experience, a partner you can trust.