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2,2,4-TRIMETHYLPENTANE AR/ACS

iso-Octane

COAs

Packings

500 ml (00500)

2500 ml (02500)

2500 ml (02500)

2500 ml (02500)

2GBA000500 2GBA002500 2GBAG02500 2GBAH02500
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Article No. 00351 Grade AR/ACS
Purity 99.5% CAS No. 540-84-1
Molecular Formula C8H18 Molecular Weight 114.23
H.S. Code 2901.1000 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Liquid Colour Clear Colorless
Odour Benzene-like Melting point/ Freezing point [°C] -107.45°C
Auto-ignition temperature [°C] 418°C Flammability (solid, gas) Flammable
Flash point [°C] -12°C Boiling point [°C] 98 - 99 °C
Initial boiling point [°C] 98°C Final boiling point [°C] 99 °C
Vapour pressure [20°C] 5.4 kPa (@ 20°C) Vapour density 3.93
Density [g/cm3] 0.69194 Relative density, liquid (water=1) 0.69194
Solubility in water [% weight] Insoluble in cold water Partition coefficient Log Pow octanol / water at 20°C 4.6
Explosion limits - upper [%] 6% Explosion limits -lower [%] 1%

Specifications

Appearance Clear liquid, color not more than 10 hazen units Purity (by GC) Min 99.5%
Colour scale Max 10 APHA Identity (IR) Conforms to structure
Weight/ mL at 20°C 0.691 - 0.693 g Bromine number Max 0.5
Refractive index (20°C; 589 nm) 1.391 - 1.392 Water Max 0.025%
Acidity Max 0.0003 meq/g Non-volatile matter Max 0.001%
Sulphur compounds (as CS2) Max 0.005% Copper (Cu) Max 0.00002%
Iron (Fe) Max 0.00005% Lead (Pb) Max 0.00002%
Substance darkened by H2SO4 Passes test

Safety Information and Hazard Symbols

Flame Exclamation Mark Environment Health Hazard
Symbol: GHS02, GHS07, GHS08, GHS09
 Signal Word: Danger
 UN No.: 1262
 IMCO Class No.: 3
 Packing Group: II
 Hazardous Statement: H225-H304-H315-H336-H410
 Precaution Statement: P210-P261-P273-P301 + P310-P331-P501
Revision Date: 20-Dec-2021

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