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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/REAXYS Number 1696876

  •  EC Number 208-759-1

  •  MDL number MFCD00008943

  •  PubChem Substance ID 57649458

  •  NACRES NA.21

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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

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.

Application

2,2,4-Trimethylpentane has been used for the calibration of densimeter and for baseline correction in UV-Visible spectrophotometer.

Packaging

1, 2 L in Sure/Seal™

100 mL in Sure/Seal™

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 (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

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Peer-Reviewed Papers
15

References

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