1,4-DICHLOROBUTANE For Synthesis

1,4-DICHLOROBUTANE For Synthesis Tetramethylene dichloride MSDS DE EN FR KO PT ES TH TR COAs Packings 100 ml (00100) 500 ml (00500) 2500 ml (02500) 2500 ml (02500) Print friendly version Article No. 3276B Grade For Synthesis Purity 98% CAS No. 110-56-5 Molecular Formula C 4 H 8 Cl 2 Molecular Weight 127.01 H.S. Code 2903.1990 Shelf Life 60 Months Physical Properties Physical state at 20 °C Liquid Colour colorless to pale yellow pH value 7.3 @ 20°C Melting point/ Freezing point [°C] -38 Auto-ignition temperature [°C] 220 Flash point [°C] 53 Boiling point [°C] 155 Vapour pressure [20°C] 5 hPa Density [g/cm3] 1.14 Relative density, gas (air=1) 4.4 Relative density, liquid (water=1) 1.14 @ 20°C Solubility in water [% weight] 2.2 g/l @ 20°C Partition coefficient Log Pow octanol / water at 20°C log Pow 2.24 Explosion limits - upper [%] 8.9% (V) Explosion limits -lower [%] 1.8% (V) Specifications Appearance Clear colourless to pale yellow liquid Purity (by GC) Min 98.0% Identity Passes test Density (at 20°C) 1.136 - 1.139 g/mL Safety Information and Hazard Symbols Symbol: GHS02, GHS07 Signal Word: Danger UN No.: 1993 IMCO Class No.: 3 Packing Group: III Hazardous Statement: H226-H315-H319-H335 Precaution Statement: P261-P305 + P351 + P338 Risk Statement: 10-36/37/38 Safety Statement: 26-36 Revision Date: 20-May-2025 Home Lab Chemicals Alkyl Halides 1,4-DICHLOROBUTANE