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Merck
CN

C121452

p-Cymene

99%

Synonym(s):

1-Isopropyl-4-methylbenzene, 4-Isopropyltoluene

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About This Item

Linear Formula:
CH3C6H4CH(CH3)2
CAS Number:
99-87-6
Molecular Weight:
134.22
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24892383
EC Number:
202-796-7
Beilstein/REAXYS Number:
1903377
MDL number:
MFCD00008893

Key Documents

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Product Name

p-Cymene, 99%

InChI key

HFPZCAJZSCWRBC-UHFFFAOYSA-N

InChI

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

SMILES string

CC(C)c1ccc(C)cc1

vapor density

4.62 (vs air)

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.)

Quality Level

100

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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.

signalword

Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

125.6 °F - closed cup

flash_point_c

52 °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
MKCZ1719
MKCX2202
MKCT1939
MKCQ7471
MKCS1827

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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)
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)
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
Wei Zhou et al.
Journal of agricultural and food chemistry, 67(30), 8382-8392 (2019-07-05)
Staphylococcus aureus is a common pathogen that can cause life-threatening infections. Treatment of antibiotic-resistant S. aureus infection needs effective antibacterial agents. Thymol, a generally recognized safe natural compound, has potential as an alternative to treat S. aureus infections. However, the
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