CAS 527-84-4|o-Cymene

Introduction：Basic information about CAS 527-84-4|o-Cymene, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
4. Safety Information
5. Customs
6. Synonyms

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	/	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
InChIKey	WWRCMNKATXZARA-UHFFFAOYSA-N
SMILES	Cc1ccccc1C(C)C

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

Recommended......