o-Cymene
Names
[ CAS No. ]:
527-84-4
[ Name ]:
o-Cymene
[Synonym ]:
ortho-Cymene
1-methyl-2-isopropylbenzene
2-Methylisopropylbenzene
Benzene, 1-methyl-2-(1-methylethyl)-
Benzene, 1-methyl-2- (1-methylethyl)-
o-Cymol
iso-propyltoluene
MFCD00008888
Cymene
1-Isopropyl-2-methylbenzene
O-CYMENE
CYMENE,ORTHO
EINECS 208-426-0
2-Isopropyltoluene
o-Isopropyltoluene
1-Methyl-2-isopropylbenzol
1-methyl-2-(propan-2-yl)benzene
Chemical & Physical Properties
[ Density]:
0.9±0.1 g/cm3
[ Boiling Point ]:
178.1±0.0 °C at 760 mmHg
[ Melting Point ]:
−72-−71 °C(lit.)
[ Molecular Formula ]:
C10H14
[ Molecular Weight ]:
134.218
[ Flash Point ]:
50.6±0.0 °C
[ Exact Mass ]:
134.109543
[ LogP ]:
4.02
[ Vapour Pressure ]:
1.4±0.1 mmHg at 25°C
[ Index of Refraction ]:
1.493
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- DA6127300
- CHEMICAL NAME :
- Benzene, 1-methyl-2-(1-methylethyl)-
- CAS REGISTRY NUMBER :
- 527-84-4
- BEILSTEIN REFERENCE NO. :
- 1850838
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 7
- MOLECULAR FORMULA :
- C10-H14
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2130 mg/kg
- TOXIC EFFECTS :
- Cardiac - other changes Lungs, Thorax, or Respiration - other changes
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(3),49,1985
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2024 mg/kg
- TOXIC EFFECTS :
- Cardiac - other changes Lungs, Thorax, or Respiration - other changes
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(3),49,1985
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 10300 mg/m3
- TOXIC EFFECTS :
- Cardiac - other changes Lungs, Thorax, or Respiration - other changes
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(3),49,1985
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1315 mg/kg
- TOXIC EFFECTS :
- Cardiac - other changes Lungs, Thorax, or Respiration - other changes
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(3),49,1985
Safety Information
[ Risk Phrases ]:
R10
[ Safety Phrases ]:
S23-S24/25
[ RIDADR ]:
UN 2046 3/PG 3
[ WGK Germany ]:
2
[ RTECS ]:
DA6127300
[ Packaging Group ]:
III
[ Hazard Class ]:
3.2
[ HS Code ]:
2902909090
Precursor & DownStream
Precursor
DownStream
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%