Perthane

Also known as: Ethylan, 1,1-dichloro-2,2-bis(4-ethylphenyl)ethane, 1,1-dichloro-2,2-bis(p-ethylphenyl)ethane, 1,1-bis(p-ethylphenyl)-2,2-dichloroethane, 2,2-bis(p-ethylphenyl)-1,1-dichloroethane, p,p'-Ethyl DDD, Ethyl-DDD, Q 137, ENT 17082, 1,1'-(2,2-dichloroethylidene)bis[4-ethylbenzene], 1,1'-(2,2-dichloroethane-1,1-diyl)bis(4-ethylbenzene), 1-[2,2-dichloro-1-(4-ethylphenyl)ethyl]-4-ethylbenzene

Perthane (CAS 72-56-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H20Cl2 and a molecular weight of 307.25700 g/mol. Key properties include a melting point of 56-57℃ (methanol ), a boiling point of 407.2ºC at 760 mmHg, a density of 1.117 g/cm3 and a flash point of 212.1ºC. It is classified under GHS with signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

72-56-0

Jingsj CID

J-15332-2

Molecular Formula

C₁₈H₂₀Cl₂

Molecular Weight

307.25700 g/mol

Category

Organic Compounds

Last updated

8/21/2026