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tert-BUTANOL AR/ACS

2-methylpropan-2-ol

COAs

Packings

2GBA000500
2GBA001000
2GBA002500
2IDL00025K
2MDB00200K
2GBAG02500
2GBAH02500
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Article No. 0059A Grade AR/ACS
Purity 99% CAS No. 75-65-0
Molecular Formula (CH3)3COH Molecular Weight 74.12
H.S. Code 2905.1490 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Low melting solid Colour Clear Colorless
Odour camphor pH value 7
Melting point/ Freezing point [°C] 23 - 26 °C Auto-ignition temperature [°C] 480 °C
Flammability (solid, gas) Flammable Flash point [°C] 11 °C
Boiling point [°C] 83 °C Evaporation rate 1.05
Vapour pressure [20°C] 41 hPa at 20 °C Vapour density 2.6
Density [g/cm3] 0.78 Relative density, gas (air=1) 2.56
Solubility in water [% weight] completely miscible Viscosity at 40°C [mm2/s] 3.35 mPa @ 30°C
Explosion limits - upper [%] 8% Explosion limits -lower [%] 2.40%

Specifications

Appearance Clear liquid Colour scale Max 20 APHA
Purity (by GC) Min 99.0% Infrared spectrum Conforms
Weight/ mL at 30°C 0.773 - 0.778 g Freezing point Min 25°C
Water (by KF) Max 0.1% Titrable acid Max 0.001 meq/g
Non-volatile matter Max 0.001% Carbonyl compounds (as formaldehyde) Max 0.01%
Butan-2-ol [C4H9(OH)] Max 0.2% Copper (Cu) Max 0.00005%
Iron (Fe) Max 0.00005% Lead (Pb) Max 0.00005%

Safety Information and Hazard Symbols

Flame Exclamation Mark
Symbol: GHS02, GHS07
 Signal Word: Danger
 UN No.: 1120
 IMCO Class No.: 3.2
 Packing Group: II
 Hazardous Statement: H225-H319-H332-H335
 Precaution Statement: P210-P261-P305 + P351 + P338
Revision Date: 19-Oct-2021

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