2-Bromo-5-chlorothiophene , >95.0%(GC) , 2873-18-9

CAS NO.：2873-18-9

Empirical Formula: C4H2BrClS

Molecular Weight: 197.48

MDL number: MFCD00014523

EINECS: 220-708-5

PRODUCT Properties

• Melting point: -20°C
• Boiling point: 69-70 °C/18 mmHg (lit.)
• Density: 1.803 g/mL at 25 °C (lit.)
• refractive index: n20/D 1.596(lit.)
• Flash point: 185 °F
• storage temp.: under inert gas (nitrogen or Argon) at 2–8 °C
• form: liquid
• Specific Gravity: 1.803
• color: Light yellow to Brown
• BRN: 109897

Description and Uses

2-Bromo-5-chlorothiophene was used in the synthesis of monomer of 1,4-bis(5-chlorothiophene)-buta-1,3-diyne and 5-chloro-2-[(trimethylsilyl)-ethynyl]thiophene.

Safety

• Symbol(GHS): GHS07,GHS06
• Signal word: Warning
• Hazard statements: H227-H315-H319-H302-H312-H331
• Precautionary statements: P210-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P403+P235-P501-P210e-P261-P305+P351+P338-P405-P501a
• Hazard Codes: Xn
• Risk Statements: 20/21/22-36/37/38
• Safety Statements: 26-36-24/25
• RIDADR: NA 1993 / PGIII
• WGK Germany: 3
• Hazard Note: Harmful
• HazardClass: IRRITANT
• HazardClass: 6.1
• HS Code: 29349990