o-Cymene

Modify Date: 2024-01-06 12:00:39

o-Cymene Structure
o-Cymene structure
 Common Name o-Cymene
CAS Number 527-84-4 Molecular Weight 134.218
Density 0.9±0.1 g/cm3 Boiling Point 178.1±0.0 °C at 760 mmHg
Molecular Formula C10H14 Melting Point −72-−71 °C(lit.)
MSDS N/A Flash Point 50.6±0.0 °C

 Names

Name 1-methyl-2-propan-2-ylbenzene
Synonym More Synonyms

 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

 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

 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%

 Synonyms

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
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