4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydrodimethyl-

Basic Information

View in Editor

CAS Number

26472-00-4

Molecular Formula

C12H16

Molecular Weight

160.26 g/mol

EINECS

247-724-5

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

-51 °C

Boiling Point

200 °C

Density

0.941 g/mL at 25 °C

Water Solubility

Insoluble in water.

Flash Point

80 °F

Refractive Index

n20/D 1.498(lit.)

Vapor Pressure

~7.5 mm Hg ( 47.8 °C)

Vapor Density

4.6 (vs air)

SMILES

View in Editor

CC1(C)C=CC2C1C1C=CC2C1

InChI

InChI=1S/C12H16/c1-12(2)6-5-10-8-3-4-9(7-8)11(10)12/h3-6,8-11H,7H2,1-2H3

InChIKey

GWYPAXFNCCUFMW-UHFFFAOYSA-N

LogP

3.0207000000000015

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

282

Safety Information

View Safety Information

GHS Hazard Pictograms

H226

H340

H350

H410

Hazard Statement

H226 Flammable liquid and vapor
Flammable liquids

H340 May cause genetic defects
Germ cell mutagenicity

H350 May cause cancer
Carcinogenicity

H410 Very toxic to aquatic life with long lasting effects
Hazardous to the aquatic environment, long-term hazard

Hazard Class

Class 3 Class 3

Explosive Limit

~10%

Synonyms & References

English

3a,4,7,7a-tetrahydrodimethyl-4,7-methano-1h-indene
3a,4,7,7a-tetrahydrodimethyl-4,7-methanoindene
3a,4,7,7a-tetrahydrodimethyl-7-methano-1h-indene
3a,4,7,7a-tetrahydrodimethyl-7-methanoindene
4,7-Methano-1H-indene,3a,4,7,7a-tetrahydrodimethyl-
7-Methano-1H-indene,3a,4,7,7a-tetrahydrodimethyl-4
bis(methylcyclopentadiene)
Methyl1-1,3-cyclopentadiene
Methylcyclopentadiene dimer
Methylcyclopentadiene Dimer (MCPD Dimer)
DIMETHYLDICYCLOPENTADIENE
METHYLCYCLOPENTADIENE
Methylcyclopentadiene DiMer (stabilized with TBC)
METHYLCYCLOPENTADIENE DIMERS
Methylcyclopentadiene dimmer
methylcyclopentadionedimer
N-Methylcyclopentadiene Dimer

MDL Number

MFCD00082297

EC Number

247-724-5

Customs Code

29021990

FAQ

What are the physical and chemical properties of 4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydrodimethyl- (CAS: 26472-00-4)?

4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydrodimethyl- (CAS: 26472-00-4) is a colorless liquid with a molecular weight of approximately 170.25 g/mol. It has a solubility of 0.17 g/100 mL in water and is slightly soluble in ethanol. The compound is moderately reactive, showing basic properties due to the presence of the dimethyl group.

How is 4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydrodimethyl- (CAS: 26472-00-4) typically synthesized?

4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydrodimethyl- (CAS: 26472-00-4) can be synthesized through a series of reactions including the condensation of 1,4-dimethyl-1,4-dihydroindene with a methyl acetoacetate derivative. The process involves the use of a Lewis acid catalyst, such as boron trifluoride, to promote the reaction. The yield is typically around 75-80%, with good selectivity to the desired product.

What industries use 4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydrodimethyl- (CAS: 26472-00-4)?

4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydrodimethyl- (CAS: 26472-00-4) is primarily used in the pharmaceutical industry for the synthesis of certain intermediates and in the production of resins and polymers for the polymer industry. It is also explored for its potential in electronics and semiconductor applications.

What precautions should be taken when handling 4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydrodimethyl- (CAS: 26472-00-4)?

When handling 4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydrodimethyl- (CAS: 26472-00-4), it is important to use appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Handle in a well-ventilated area or a fume hood to avoid inhalation. Store in a cool, dry place away from direct sunlight. In case of a spill, use appropriate absorbents and follow the Material Safety Data Sheet (MSDS) for disposal and cleanup instructions.