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

CAS No.: 75-33-2 UN No.: UN2402 Solubility: (20°C) slightly soluble Melting Point: -130°C Molar Mass: 76.16 g/mol Boiling Point: 51 - 53°C (1013 hPa) Vapor Pressure: 605 hPa (37°C) Flash Point: -34°C Refractive Index: -34°C Density: 0.81 g/cm3 (20°C)