CAS 26472-00-4|METHYLCYCLOPENTADIENE DIMER

Introduction：Basic information about CAS 26472-00-4|METHYLCYCLOPENTADIENE DIMER, 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. Synonyms

Common Name	METHYLCYCLOPENTADIENE DIMER
CAS Number	26472-00-4	Molecular Weight	160.255
Density	1.0±0.1 g/cm3	Boiling Point	223.4±30.0 °C at 760 mmHg
Molecular Formula	C₁₂H₁₆	Melting Point	−51 °C(lit.)
MSDS	/	Flash Point	26.7±0.0 °C

Names

Name	Methylcyclopentadiene Dimer (MCPD Dimer)
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.0±0.1 g/cm3
Boiling Point	223.4±30.0 °C at 760 mmHg
Melting Point	−51 °C(lit.)
Molecular Formula	C₁₂H₁₆
Molecular Weight	160.255
Flash Point	26.7±0.0 °C
Exact Mass	160.125198
LogP	4.48
Vapour density	4.6 (vs air)
Vapour Pressure	0.1±0.2 mmHg at 25°C
Index of Refraction	1.540
Storage condition	Flammables area

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: PC1075000

CHEMICAL NAME :: 4,7-Methanoindene, 3a,4,7,7a-tetrahydrodimethyl-

CAS REGISTRY NUMBER :: 26472-00-4

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C12-H16

MOLECULAR WEIGHT :: 160.28

WISWESSER LINE NOTATION :: L C555 A DU IUTJ E1 X1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 7700 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

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: 25(5),45,1981

TYPE OF TEST :: LC - Lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: >500 mg/m3

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

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: 25(5),45,1981 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 54 mg/m3/17W-I

TOXIC EFFECTS :: Brain and Coverings - recordings from specific areas of CNS Kidney, Ureter, Bladder - other changes in urine composition Nutritional and Gross Metabolic - changes in chlorine

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: 25(5),45,1981

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 54 mg/m3/17W-I

TOXIC EFFECTS :: Brain and Coverings - recordings from specific areas of CNS

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: 25(5),45,1981 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 10 mg/m3 JAN 1993

Safety Information

Hazard Codes	T: Toxic;F: Flammable;
Risk Phrases	R10
Safety Phrases	S53-S45
RIDADR	UN 3295 3/PG 3
WGK Germany	3
RTECS	PC1075000
Packaging Group	III
Hazard Class	3

Synonyms

Methylcyclopentadiene dimmer

METHYLCYCLOPENTADIENE

Methylcyclopentadiene Dimer (Mcpd Dimer)

EINECS 247-724-5

4,9-Dimethyltricyclo[5.2.1.0]deca-3,8-diene

METHYLCYCLOPENTADIENE DIMER

DIMETHYLDICYCLOPENTADIENE

MFCD00082297

4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-2,5-dimethyl-

Methyl1-1,3-cyclopentadiene

methylcyclopentadionedimer

METHYLCYCLOPENTADIENE DIMERS

2,5-Dimethyl-3a,4,7,7a-tetrahydro-1H-4,7-methanoindene

N-Methylcyclopentadiene Dimer

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