Skip to Content
Merck
All Photos(1)

Key Documents

270342

Sigma-Aldrich

2-Methylbutane

suitable for HPLC, ≥99.5%

Synonym(s):

Isopentane

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
CH3CH2CH(CH3)2
CAS Number:
Molecular Weight:
72.15
Beilstein:
1730723
EC Number:
MDL number:
UNSPSC Code:
12190000
PubChem Substance ID:
NACRES:
NA.21

vapor density

2.6 (vs air)

Quality Level

vapor pressure

11.17 psi ( 20 °C)

Assay

≥99.5%

form

liquid

autoignition temp.

788 °F

purified by

glass distillation

expl. lim.

8.3 %

technique(s)

HPLC: suitable

impurities

<0.020% water

evapn. residue

<0.0003%

refractive index

n20/D 1.354 (lit.)

bp

30 °C (lit.)

mp

-160 °C

density

0.62 g/mL at 25 °C (lit.)

λ

H2O reference

UV absorption

λ: 192 nm Amax: 1.00
λ: 210 nm Amax: 0.30
λ: 220 nm Amax: 0.07
λ: 240-400 nm Amax: 0.01

application(s)

food and beverages

storage temp.

2-8°C

SMILES string

CCC(C)C

InChI

1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3

InChI key

QWTDNUCVQCZILF-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

This solvent is glass distilled, submicron filtered and subjected to rigorous specification testing to provide lot-to-lot consistency.

Application

Designed for use with HPLC instrumentation and organic synthesis applications.

Recommended products

Discover LiChropur reagents ideal for HPLC or LC-MS analysis

Signal Word

Danger

Hazard Statements

Hazard Classifications

Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 1 - STOT SE 3

Target Organs

Central nervous system

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

-59.8 °F - closed cup

Flash Point(C)

-51 °C - closed cup


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Johnson AW.
Invitation to Organic Chemistry., 338-338 (1999)
Johnson AW.
Invitation to Organic Chemistry., 50-54 (1999)
Kinetics of liquid-phase hydrogenation of isooctenes on a Pd/?-alumina catalyst.
Sarkar A, et al.
AIChE Journal, 52(3), 1142-1156 (2006)
Rotational Isomerism and Thermodynamic Functions of 2-Methylbutane and 2, 3-Dimethylbutane. Vapor Heat Capacity and Heat of Vaporization of 2-Methylbutane.
Scott DW, et al.
Journal of the American Chemical Society, 73(4), 1707-1712 (1951)
Eagleson M.
Concise Encyclopedia Chemistry, 560-560 (1994)

Protocols

2-Butene; 2-Methylbutane; 1,3-Butadiene; Propyne

Protocol for GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH

-Xylene; Nonane; Propylbenzene; Mesitylene; 1,2,4-Trimethylbenzene; 1,2,3-Trimethylbenzene; 1,3-Diethylbenzene; 1,4-Dimethyl-2-ethylbenzene; 1,2-Dimethyl-4-ethylbenzene; Durene; 1,2,3,5-Tetramethylbenzene; 1,2,3,5-Tetramethylbenzene; 2-Methylnaphthalene (β)

GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH, Isothermal

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service