iso-BUTANOL AR

iso-BUTANOL AR iso-Butyl alcohol, 2-Methyl propan-1-ol MSDS DE EN FR KO PT ES TH TR COAs Packings 500 ml (00500) 1000 ml (01000) 2500 ml (02500) 2500 ml (02500) 2500 ml (02500) Print friendly version Article No. 00058 Grade AR Purity 99% CAS No. 78-83-1 Molecular Formula C 4 H 1 0 O Molecular Weight 74.12 H.S. Code 2905.1490 Shelf Life 60 Months Physical Properties Physical state at 20 °C Liquid Colour Clear Colorless Odour Sweet-musty odor Odour threshold 40 ppm Melting point/ Freezing point [°C] -108°C Critical temperature [°C] 274.6°C Auto-ignition temperature [°C] 415°C Flammability (solid, gas) Flammable Flash point [°C] 28°C Boiling point [°C] 108°C Evaporation rate 0.8 Vapour pressure [20°C] 1.2 kPa (@ 20°C) Vapour density 2.56 Density [g/cm3] 0.806 Solubility in water [% weight] 9.5g/100ml water @ 20C Partition coefficient Log Pow octanol / water at 20°C 0.8 Explosion limits - upper [%] 10.60% Explosion limits -lower [%] 1.70% Specifications Appearance A clear colorless liquid Purity (by GC) Min 99% Weight/ mL at 20°C 0.801 - 0.802 g Refractive index (20°C; 589 nm) 1.395 - 1.396 Insoluble matter in water Passes test Water Max 0.1% Acidity (as C3H7COOH) Max 0.002% Non-volatile matter Max 0.002% Aldehydes and ketones (as C3H7CHO) Max 0.015% Copper (Cu) Max 0.0001% Iron (Fe) Max 0.0001% Lead (Pb) Max 0.0001% Safety Information and Hazard Symbols Symbol: GHS02, GHS05, GHS07 Signal Word: Danger UN No.: 1212 IMCO Class No.: 3 Packing Group: III Hazardous Statement: H226-H315-H318-H335-H336 Precaution Statement: P210-P233-P261-P280-P303+P361+P353P305+P351+P338 Revision Date: 29-Feb-2024 Home Lab Chemicals Alcohols iso-BUTANOL