CAS No.: 513-53-1 UN No.: UN2347 Solubility: 1.32 g/l (20°C) Melting Point: -165°C Molar Mass: 90.18 g/mol Boiling Point: 82 - 88°C (1013 hPa) Vapor Pressure: 108 hPa (25°C) Flash Point: -23°C Refractive Index: -23°C Explosion Limit: 1.7 - 9.6 %(V) Density: 0.83 g/cm3 (20°C)

Synonyms: Butyl mercaptan Chemical Formula: CH₃(CH₂)₃SH Hill Formula: C₄H₁₀S CAS Number: 109-79-5 UN Number: UN2347