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360066 Sigma-Aldrich

2,2,4-Trimethylpentane

anhydrous, 99.8%

Synonym: Isooctane, TMP

  • CAS Number 540-84-1

  • Linear Formula (CH3)2CHCH2C(CH3)3

  • Molecular Weight 114.23

  •  Beilstein Registry Number 1696876

  •  EC Number 208-759-1

  •  MDL number MFCD00008943

  •  PubChem Substance ID 57649458

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Properties

Related Categories Anhydrous Solvents, Solvent Bottles, Solvent Packaging Options, Solvent by Application, Solvents,
grade   anhydrous
vapor density   3.9 (vs air)
vapor pressure   41 mmHg ( 21 °C)
InChI Key   NHTMVDHEPJAVLT-UHFFFAOYSA-N
assay   99.8%
autoignition temp.   745 °F
expl. lim.   6 %
impurities   <0.003% water
  <0.005% water (100 mL pkg)
evapn. residue   <0.0003%
refractive index   n20/D 1.391(lit.)
bp   98-99 °C(lit.)
mp   −107 °C (lit.)
density   0.692 g/mL at 25 °C(lit.)

Description

Packaging

1, 2 L in Sure/Seal™

100 mL in Sure/Seal™

General description

2,2,4-Trimethylpentane is a primary reference fuel with an arbitrary octane number of 100 as it burns smoothly without resulting in any knocking. It is mainly used to improve the octane rating of combustion fuels.

Safety & Documentation

Safety Information

Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN1262 - class 3 - PG 2 - Octanes
WGK Germany 
3
RTECS 
SA3320000
Flash Point(F) 
10.4 °F
Flash Point(C) 
-12 °C

Documents

Certificate of Analysis

Certificate of Origin


LC-MS Grade Solvents and Reagents
Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

*Calculations provide estimated results based on Antoine's Coefficients and their associated temperature range values. Antoine's Coefficients were obtained from the National Institute of Standards an...

Related Content

Pressure-Temperature Nomograph Interactive Tool

The Pressure-Temperature Nomograph tool is an application of the Clausius-Clapeyron Equation, which assumes the heat of vaporization is a constant over a pressure range. Antoine´s Equation gets aroun...
Keywords: Evaporation, Vaporization

Properties of Solvents Table

a. Gant, R., LC/GC 10 (7), 515 (1992) 1. At 20 °C 2. At 20 °C +/- 5 °C relative to water at 4 °C 3. At 10 mmHg pressure 4. At l=589.32 nm
Keywords: Gas chromatography, High performance liquid chromatography

Peer-Reviewed Papers
15

References

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