C121452

Sigma-Aldrich

p-Cymene

99%

Synonym(s):
4-Isopropyltoluene, 1-Isopropyl-4-methylbenzene
Linear Formula:
CH3C6H4CH(CH3)2
CAS Number:
Molecular Weight:
134.22
Beilstein/REAXYS Number:
1903377
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

4.62 (vs air)

vapor pressure

1.5 mmHg ( 20 °C)
3.7 mmHg ( 37.7 °C)

assay

99%

autoignition temp.

817 °F

expl. lim.

5.6 %

refractive index

n20/D 1.490 (lit.)

bp

176-178 °C (lit.)

density

0.86 g/mL at 25 °C (lit.)

SMILES string

CC(C)c1ccc(C)cc1

InChI

1S/C10H14/c1-8(2)10-6-4-9(3)5-7-10/h4-8H,1-3H3

InChI key

HFPZCAJZSCWRBC-UHFFFAOYSA-N

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Application

p-Cymene is an alkyl aromatic hydrocarbon mainly used to study oxidation reactions under various conditions to synthesize highly valuable intermediates and building-blocks such as cymene hydroperoxide, 4-methyl acetophenone, 4-isopropyl benzyl alcohol, 4-isopropyl benzaldehyde and 4-isopropyl benzoic acid etc.

Packaging

1, 4 L in glass bottle
25 mL in glass bottle

signalword

Danger

hazcat

Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 3 - Repr. 2

storage_class_code

3 - Flammable liquids

WGK Germany

WGK 2

Flash Point F

125.6 °F - closed cup

Flash Point C

52 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

Betelehem Wondwosen et al.
Malaria journal, 16(1), 39-39 (2017-01-25)
Maize cultivation contributes to the prevalence of malaria mosquitoes and exacerbates malaria transmission in sub-Saharan Africa. The pollen from maize serves as an important larval food source for Anopheles mosquitoes, and females that are able to detect breeding sites where...
Nanosized ruthenium particles decorated carbon nanofibers as active catalysts for the oxidation of p-cymene by molecular oxygen
Makgwane, Peter R and Ray, Suprakas Sinha
J. Mol. Catal. A: Chem., 373, 1-11 (2013)
Electron-transfer processes: oxidation of naphthalene and p-cymene by peroxydisulfate
Giordano, Claudio and Belli, Aldo and Citterio, Attilio and Minisci, Francesco
The Journal of Organic Chemistry, 44(13), 2314-2315 (1979)
null
Liquid-phase oxidation of p-cymene: Nature of intermediate hydroperoxides and relative activity of the alkyl groups
Serif, George Samuel and Hunt, CF and Bourns, AN
Canadian Journal of Chemistry, 31(12), 1229-1238 (1953)

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