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Merck
CN

41085

2,3-Dimethylpentane

analytical standard

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About This Item

Linear Formula:
C2H5CH(CH3)CH(CH3)2
CAS Number:
565-59-3
Molecular Weight:
100.20
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329756053
EC Number:
209-280-0
Beilstein/REAXYS Number:
1718734
MDL number:
MFCD00009337

Key Documents

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InChI key

WGECXQBGLLYSFP-UHFFFAOYSA-N

InChI

1S/C7H16/c1-5-7(4)6(2)3/h6-7H,5H2,1-4H3

SMILES string

CCC(C)C(C)C

grade

analytical standard

vapor density

3.45 (vs air)

vapor pressure

2.35 psi ( 37.7 °C)

assay

≥99.0% (GC)

autoignition temp.

639 °F

shelf life

limited shelf life, expiry date on the label

expl. lim.

~7 %

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

refractive index

n20/D 1.392 (lit.), n20/D 1.392

bp

89-90 °C (lit.)

density

0.695 g/mL at 25 °C (lit.)

application(s)

environmental

format

neat

Quality Level

100

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Application

2,3-Dimethylpentane may be used as an analytical reference standard for the determination of 2,3-dimethylpentane in:
  • Ambient air samples by thermal desorption-gas chromatography (TD-GC) in conjunction with Deans-switch cutting technique.
  • Exhaled air samples by GC combined with mass spectrometry (MS) operating under the selected ion monitoring (SIM) detection mode.
  • Indoor and outdoor air samples by adsorption using sorbent tubes, followed by analysis using TD-GC-MS with electron impact (EI) ionization.
  • Commercial reagent samples by high resolution GC using graphene-zeolite imdidazole framework (ZIF8) as a stationary phase.

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

General description

2,3-Dimethylpentane belongs to the class of volatile organic compounds (VOCs).

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

signalword

Danger

Hazard Classifications

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

target_organs

Central nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

19.4 °F - closed cup

flash_point_c

-7 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCN9449
BCCN2084
BCCH0771
BCCH8951
BCCB1251

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The application of chromatographic breath analysis in the search of volatile biomarkers of chronic kidney disease and coexisting type 2 diabetes mellitus.
Grabowska-Polanowska B, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 1060, 103-110 (2017)
Graphene-ZIF8 composite material as stationary phase for high-resolution gas chromatographic separations of aliphatic and aromatic isomers
Yang X, et al.
Journal of Chromatography A, 1460, 173-180 (2016)
Influences of relative humidities and temperatures on the collection of C2-C5 aliphatic hydrocarbons with multi-bed (Tenax TA, Carbograph 1TD, Carboxen 1003) sorbent tube method
Ho SSH, et al.
Atmospheric Environment, 151, 45-51 (2017)
Optimization and evaluation of multi-bed adsorbent tube method in collection of volatile organic compounds.
Ho SSH, et al.
Atmospheric Research, 202, 187-195 (2018)
Characterization of thermal desorption with the Deans-switch technique in gas chromatographic analysis of volatile organic compounds.
Ou-Yang CF, et al.
Journal of Chromatography A, 1462, 107-114 (2016)

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