Flag of the United StatesAmerican Chemical Independence

4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, polymer with ethenylbenzene, ethenylmethylbenzene, 1H-indene, 3-methylene-6-(1-methylethyl)cyclohexene, (1-methylethenyl)benzene, 1-methyl-4-(1-methylethenyl)cyclohexene, 1-methyl-4-(1-methylethyl)-1,3-cyclohexadiene, 1-methyl-4-(1-methylethyl)-1,4-cyclohexadiene, 2-methyl-5-(1-methylethyl)-1,3-cyclohexadiene, 1-methyl-4-(1-methylethylidene)cyclohexene and 2,6,6-trimethylbicyclo[3.1.1]hept-2-ene

CAS 68239-99-6

EPA and Census publish no US supply data for this chemical.

Molecular structure of 68239-99-6
US productionNot reported
Top sourceNo public record

EPA exempts this chemical from its production survey.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS68239-99-6
PubChem CIDNot recorded
DTXSIDDTXSID001022417
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

← Back to Dashboard

Brief citations

4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, polymer with ethenylbenzene, ethenylmethylbenzene, 1H-indene, 3-methylene-6-(1-methylethyl)cyclohexene, (1-methylethenyl)benzene, 1-methyl-4-(1-methylethenyl)cyclohexene, 1-methyl-4-(1-methylethyl)-1,3-cyclohexadiene, 1-methyl-4-(1-methylethyl)-1,4-cyclohexadiene, 2-methyl-5-(1-methylethyl)-1,3-cyclohexadiene, 1-methyl-4-(1-methylethylidene)cyclohexene and 2,6,6-trimethylbicyclo[3.1.1]hept-2-ene (CAS 68239-99-6) https://chemicalindependence.com/chemical/68239-99-6/ EPA TSCA Inventory: CAS 68239-99-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory