Benzo[<i>b</i>]thiophene-3-carboxaldehyde , >98.0%(GC) , 5381-20-4

Synonym(s):
Benzo[b]thiophene-3-carboxaldehyde

CAS NO.：5381-20-4

Empirical Formula: C9H6OS

Molecular Weight: 162.21

MDL number: MFCD00052376

EINECS: 611-051-9

PRODUCT Properties

• Melting point: 53-57 °C (lit.)
• Boiling point: 166 °C/20 mmHg (lit.)
• Density: 1.2123 (rough estimate)
• refractive index: 1.5500 (estimate)
• Flash point: >230 °F
• storage temp.: under inert gas (nitrogen or Argon) at 2–8 °C
• form: powder to crystal
• color: White to Orange to Green
• λmax: 302nm(EtOH)(lit.)
• CAS DataBase Reference: 5381-20-4(CAS DataBase Reference)

Description and Uses

Thianaphthene-3-carboxaldehyde (Benzo[b]thiophene-3-carboxaldehyde) may be used as a starting material in the multi-step synthesis of anthra[2,3-b:7,6-b′]bis[1benzothiophenes (ABBTs).
It may be used in the synthesis of :

• 6-(N,N-dimethylamino)-2-(benzo[b]thiophen-3-yl)quinazolin-4-one
• 6-(pyrrolidin-1-yl)-2-(benzo[b]thiophen-3-yl)quinazolin-4-one
• (Z)-2-(benzo-[b]-thio-phen-3-yl-methyl-ene)-1-aza-bi-cyclo-[2.2.2]-octan-3-one

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319
• Precautionary statements: P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
• Hazard Codes: Xi
• WGK Germany: 3
• Hazard Note: Irritant
• HS Code: 29349990