p-cymene

Suppliers

Names

[ CAS No. ]:
99-87-6

[ Name ]:
p-cymene

[Synonym ]:
Benzene, 1-methyl-4- (1-methylethyl)-
Benzene, 1-methyl-4-(1-methylethyl)-
p-methyl cumene
p-Isopropyltoluene (p-Cymene)
EINECS 202-796-7
para-cymene
4-methyl-1-(propan-2-yl)benzene
1-methyl-4-(propan-2-yl)benzene
p-methyl-Cumene
Cymene, p-
1-Methyl-4-(1-methylethyl)-benzene
4-methyl isopropylbenzene
1-Isopropyl-4-methylbenzene
p-isopropyltoluene
4-Isopropyltoluene
1-isopropyl-4-methyl-Benzene
Cymene
p-methylcumene
Cumene, p-methyl-
p-Mentha-1,3,5-triene
MFCD00008893
4-cymene

Chemical & Physical Properties

[ Density]:
0.9±0.1 g/cm3

[ Boiling Point ]:
173.9±10.0 °C at 760 mmHg

[ Melting Point ]:
-68 °C

[ Molecular Formula ]:
C₁₀H₁₄

[ Molecular Weight ]:
134.218

[ Flash Point ]:
47.2±0.0 °C

[ Exact Mass ]:
134.109543

[ LogP ]:
4.02

[ Vapour density ]:
4.62 (vs air)

[ Vapour Pressure ]:
1.7±0.2 mmHg at 25°C

[ Index of Refraction ]:
1.493

[ Stability ]:
Stable. Flammable. Incompatible with strong oxidizing agents, strong acids, strong bases.

[ Water Solubility ]:
PRACTICALLY INSOLUBLE

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GZ5950000

CHEMICAL NAME :: p-Cymene

CAS REGISTRY NUMBER :: 99-87-6

LAST UPDATED :: 199710

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C10-H14

MOLECULAR WEIGHT :: 134.24

WISWESSER LINE NOTATION :: 1Y1&R D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 12,401,1974 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4750 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - chromodacryorrhea Behavioral - somnolence (general depressed activity) Gastrointestinal - hypermotility, diarrhea

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 2,327,1964 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 10 mg/m3;Skin JAN 1993 OEL-SWEDEN:TWA 25 ppm (140 mg/m3);STEL 35 ppm (190 mg/m3) JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X8309 No. of Facilities: 8820 (estimated) No. of Industries: 96 No. of Occupations: 81 No. of Employees: 176382 (estimated) No. of Female Employees: 39063 (estimated)

Safety Information

[ Symbol ]:

GHS02, GHS08, GHS09

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H226-H304-H411

[ Precautionary Statements ]:
P210-P301 + P310-P331-P370 + P378

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R10;R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
UN 2046 3/PG 3

[ WGK Germany ]:
2

[ RTECS ]:
GZ5950000

[ Packaging Group ]:
III

[ Hazard Class ]:
3

[ HS Code ]:
2902909090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Toluene
2-Bromopropane
Citral
2-p-Tolyl-1-propene
Cineole
limonene
propene
1-methyl-4-isopropyl-1-cyclohexene
4-Isopropylbenzoic acid

DownStream

1-Ethyl-4-methylcyclohexane
1-iso-Propyl-4-methylcyclohexane
1,4-Dimethylcyclohexane
4-ISOPROPYLPHENYLACETICACID
4-ISOPROPYLPHENYLACETONITRILE
o-Cymene
m-cymene
2-p-Tolyl-1-propene
Toluene
Benzene,1-methyl-4-[(4-methylphenyl)methyl]-

Customs

[ HS Code ]: 2902909090

[ Summary ]:
2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Articles

Carvacrol and rosemary essential oil manifest cytotoxic, DNA-protective and pro-apoptotic effect having no effect on DNA repair.

Neoplasma 61(6) , 690-9, (2014)

For several thousand years natural products were successfully used to treat a variety of diseases and to maintain health in humans, but until now it is not fully known what causes these medicinal effe...

QSPR modeling of octanol/water partition coefficient for vitamins by optimal descriptors calculated with SMILES.

Eur. J. Med. Chem. 43 , 714-40, (2008)

Simplified molecular input line entry system (SMILES) has been utilized in constructing quantitative structure-property relationships (QSPR) for octanol/water partition coefficient of vitamins and org...

Identification of odorants in frankincense (Boswellia sacra Flueck.) by aroma extract dilution analysis and two-dimensional gas chromatography-mass spectrometry/olfactometry.

Phytochemistry 109 , 66-75, (2014)

Frankincense has been known, traded and used throughout the ages for its exceptional aroma properties, and is still commonly used in both secular and religious settings to convey a pleasant odor. Surp...