CompoundList
Sign in
Aromatic building blocks

Perthane

Also known as Ethylan, Di(p-ethylphenyl)dichloroethane, Ethyl-DDD

CAS 72-56-0Formula C18H20Cl2Molar mass 307.26 g/molEC 200-785-1
GHS signal word: Warning. Pictograms: Hazardous to the environment 1 supplier listed
Get quotes See the supplier
Perthane chemical structure, C18H20Cl2, CAS 72-56-0
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Crystals from ethanol
Melting point
56 °C
Boiling point
Decomposes on distillation
Solubility
PRACTICALLY INSOL IN WATER, SOL IN ACETONE, KEROSENE, DIESEL FUEL
HS code
290399
Category
Aromatic building blocks
UN number
UN 2761
Illustrative photo, closed blue fibre drums on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Perthane?

Plain description, key identifiers and synonyms

Crystals when pure. Technical grade a light yellow waxy solid. (NTP, 1992)

Perthane is an insecticide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-[2,2-dichloro-1-(4-ethylphenyl)ethyl]-4-ethylbenzene
CAS number
72-56-0 CAS number cross-checked
EC number
200-785-1
Molecular formula
C18H20Cl2
UNII
L0Q9DRK4W8
MDL number
MFCD00045254
InChIKey
QFMDFTQOJHFVNR-UHFFFAOYSA-N
InChI
InChI=1S/C18H20Cl2/c1-3-13-5-9-15(10-6-13)17(18(19)20)16-11-7-14(4-2)8-12-16/h5-12,17-18H,3-4H2,1-2H3
SMILES (canonical and isomeric)
CCC1=CC=C(C=C1)C(C2=CC=C(C=C2)CC)C(Cl)Cl

Synonyms

  • Ethylan
  • Di(p-ethylphenyl)dichloroethane
  • Ethyl-DDD
  • p,p-Ethyl DDD
  • p,p'-Ethyl DDD
  • 1,1-Dichloro-2,2-bis(p-ethylphenyl)ethane
  • Diethyl-diphenyl dichloroethane
  • Ethane, 1,1-dichloro-2,2-bis(p-ethylphenyl)-
  • 1,1-Bis(p-ethylphenyl)-2,2-dichloroethane
  • 2,2-Bis(p-ethylphenyl)-1,1-dichloroethane
  • 2,2-Dichloro-1,1-bis(p-ethylphenyl)ethane
  • ENT 17,082
  • Ethane, 2,2-bis(p-ethylphenyl)-1,1-dichloro-
  • a,a-Dichloro-2,2-bis(p-ethylphenyl)ethane
  • 1,1'-(2,2-dichloroethylidene)bis(4-ethylbenzene)
  • 1,1'-(2,2-Dichloroethylidene)bis[4-ethylbenzene]
  • p,p'-Ethyl-ddd
  • Perthan
  • 1,1-Dichloro-2,2-bis(4-ethylphenyl)ethane
  • 1-[2,2-Dichloro-1-(4-ethylphenyl)ethyl]-4-ethylbenzene
  • Benzene, 1,1'-(2,2-dichloroethylidene)bis[4-ethyl-
  • Benzene, 1,1'-(2,2-dichloroethylidene)bis(4-ethyl-
  • 1,1'-(2,2-dichloroethane-1,1-diyl)bis(4-ethylbenzene)
  • 1-[2,2-dichloro-1-(4-ethylphenyl)ethyl]-4-ethyl-benzene
  • 1,1-Bis(ethylphenyl)-2,2-dichloroethane
Show all 34 synonyms
  • C18H20Cl2
  • Perthane 10 |Ig/mL in Cyclohexane
  • Perthane 10 microg/mL in Cyclohexane
  • Perthan, PESTANAL(R), analytical standard
  • 1,1-bis-(4-Ethylphenyl)-2,2-dichloroethane
  • 1,1-dichloro-2,2-bis (p-ethyl phenyl)ethane
  • alpha, alpha--Dichloro-2,2-bis(p-ethylphenyl)ethane
  • 1-[2,2-Dichloro-1-(4-ethylphenyl)ethyl]-4-ethylbenzene #
  • 1-[2,2-bis(chloranyl)-1-(4-ethylphenyl)ethyl]-4-ethyl-benzene

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Crystals from ethanolexp.
Melting point
56 °Cexp.
Boiling point
Decomposes on distillationexp.
Solubility
PRACTICALLY INSOL IN WATER, SOL IN ACETONE, KEROSENE, DIESEL FUELexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
307.26 g/molcalc.
Exact mass
306.0942 Dacalc.
LogP (octanol/water)
5.75calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
5calc.
Heavy atoms
20calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(Cc2ccccc2)cc1

c1ccc(Cc2ccccc2)cc1

2 rings, 13 atoms, the Diphenylmethane ring system.

8,982 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2761

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Perthane suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

See the supplier

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

1 supplier in 1 country

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Perthane price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Insecticidal control of pear psylla and of leaf-hoppers and larvae on vegetables, used to control moths and carpet beetles in the textile and dry-cleaning industries. (Former Use).

Not listed.

Use classes: Insecticides.

How it is made

Condensation (of dichloroacetaldehyde) with ethylbenzene.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Perthane is traded under.

HS 2903.99Indicative HS code

Halogenated derivatives of aromatic hydrocarbons, other

World exports in 2024
$798M
−15.8% vs 2023, imports $786M
2019 to 2024
Top exporters
  1. China51.0%
  2. United States15.9%
  3. Belgium8.6%
Top importers
  1. India * partner reported16.1%
  2. United States14.7%
  3. Germany10.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Perthane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Perthane, based on the data on this page

What is Perthane?

Crystals when pure. Technical grade a light yellow waxy solid. (NTP, 1992)

What is the CAS number of Perthane?

The CAS registry number of Perthane is 72-56-0.

What is the molecular formula and weight of Perthane?

The molecular formula of Perthane is C18H20Cl2 and its molar mass is 307.26 g/mol.

What is Perthane used for?

Insecticidal control of pear psylla and of leaf-hoppers and larvae on vegetables, used to control moths and carpet beetles in the textile and dry-cleaning industries. (Former Use). Not listed. Use classes: Insecticides.

Is Perthane hazardous?

Perthane carries the GHS signal word "Warning". Main hazards: very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Perthane?

Perthane is usually classified under HS code 290399 (Halogenated derivatives of aromatic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Perthane?

CompoundList lists 1 supplier of Perthane in Venezuela. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Perthane?

Suppliers quote Perthane on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Perthane

Get quotes for Perthane

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Perthane
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Perthane with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/perthane-72-56-0" title="Perthane structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Aromatic building blocks or HS code 290399

1 supplier
Free quotes, contact stays private
Get quotes