2,2,4-TRIMETHYLPENTANE

2,2,4-TRIMETHYLPENTANE AR/ACS

iso-Octane

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

MSDS

Certificate of Analysis (COAs)

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 [%]

Explosion limits -lower [%]

Packings

500 ml (00500)
2500 ml (02500)
2500 ml (02500)
2500 ml (02500)

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 (H2O)	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

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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