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C121452

Sigma-Aldrich

p-Cymene

99%

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Synonym(s):
1-Isopropyl-4-methylbenzene, 4-Isopropyltoluene
Linear Formula:
CH3C6H4CH(CH3)2
CAS Number:
99-87-6
Molecular Weight:
134.22
Beilstein:
1903377
EC Number:
202-796-7
MDL number:
MFCD00008893
PubChem Substance ID:
24892383
NACRES:
NA.22

vapor density

4.62 (vs air)

Quality Level

100

vapor pressure

1.5 mmHg ( 20 °C)
3.7 mmHg ( 37.7 °C)

Assay

99%

form

liquid

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.

Signal Word

Danger

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

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

Regulatory Information

危险化学品

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Loris Pinto et al.
Molecules (Basel, Switzerland), 25(20) (2020-10-22)
The aim of this work was to evaluate the antifungal activity in vapor phase of thymol, p-cymene, and γ-terpinene, the red thyme essential oil compounds (RTOCs). The Minimum Inhibitory Concentration (MIC) of RTOCs was determined against postharvest spoilage fungi of
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)
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
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)
Carina Dettenrieder et al.
Sensors (Basel, Switzerland), 19(17) (2019-08-24)
A portable sensor system for the simultaneous detection of multiple environmentally relevant volatile organic compounds (VOCs) in real seawater based on Fourier transform infrared fiber-optic evanescent wave spectroscopy (FT-IR-FEWS) was developed. A cylindrical silver halide (AgX) fiber with an ethylene/propylene
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