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Halogenated compounds

Dechlorane plus

Also known as Dechloran A, Dechlorane Plus 25, Dechlorane Plus 35

CAS 13560-89-9Formula C18H12Cl12Molar mass 653.73 g/molEC 236-948-9
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Dechlorane plus chemical structure, C18H12Cl12, CAS 13560-89-9
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless crystals
Melting point
>325
Density
1.8 g/cm³
Solubility
In water, 4.4 × 10⁻⁸ mg/L
HS code
290389
Category
Halogenated compounds
Illustrative photo, colourless crystals beside a jumbo bulk bag in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Dechlorane plus?

Plain description, key identifiers and synonyms

Dechlorane plus is a chemical substance with the molecular formula C18H12Cl12 and a molar mass of 653.73 g/mol. Its CAS registry number is 13560-89-9. The IUPAC name is 1,6,7,8,9,14,15,16,17,17,18,18-dodecachloropentacyclo[12.2.1.16,9.02,13.05,10]octadeca-7,15-diene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,6,7,8,9,14,15,16,17,17,18,18-dodecachloropentacyclo[12.2.1.16,9.02,13.05,10]octadeca-7,15-diene
CAS number
13560-89-9 CAS number cross-checked
EC number
236-948-9
Molecular formula
C18H12Cl12
UNII
193G0ER097
MDL number
MFCD01730433
InChIKey
UGQQAJOWXNCOPY-UHFFFAOYSA-N
InChI
InChI=1S/C18H12Cl12/c19-9-10(20)15(25)7-3-4-8-6(2-1-5(7)13(9,23)17(15,27)28)14(24)11(21)12(22)16(8,26)18(14,29)30/h5-8H,1-4H2
SMILES (canonical and isomeric)
C1CC2C(CCC3C1C4(C(=C(C3(C4(Cl)Cl)Cl)Cl)Cl)Cl)C5(C(=C(C2(C5(Cl)Cl)Cl)Cl)Cl)Cl

Synonyms

  • Dechloran A
  • Dechlorane Plus 25
  • Dechlorane Plus 35
  • Dechlorane Plus 515
  • Dechlorane Plus 1000
  • Dechlorane Plus 2520
  • Dechlorane 605
  • Bis(hexachlorocyclopentadieno)cyclooctane
  • Dodecachlorododecahydrodimethanodibenzocyclooctane
  • 1,4:7,10-Dimethanodibenzo(a,e)cyclooctane, 1,2,3,4,7,8,9,10,13,13,14,14-dodecachloro-1,4,4a,5,6,6a,7,10,10a,11,12,12a-dodecahydro-
  • 1,4:7,10-Dimethanodibenzo(a,e)cyclooctene, 1,2,3,4,7,8,9,10,13,13,14,14-dodecachloro-1,4,4a,5,6,6a,7,10,10a,11,12,12a-dodecahydro-
  • Dechlorane A
  • 1,6,7,8,9,14,15,16,17,17,18,18-dodecachloropentacyclo[12.2.1.16,9.02,13.05,10]octadeca-7,15-diene
  • 1,6,7,8,9,14,15,16,17,17,18,18-Dodecachloropentacyclo(12.2.1.16,9.02,13.05,10)octadeca-7,15-diene
  • Dechlorane plus syn
  • C18H12Cl12
  • 1,2,3,4,7,8,9,10,13,13,14,14-Dodecachloro-1,4,4a,5,6,6a,7,10,10a,11,12,12a-dodecahydro-1,4:7,10-dimethanodibenzo[a,e]cyclooctene
  • 4-05-00-01783 (Beilstein Handbook Reference)
  • 1,2,3,4,7,8,9,10,13,13,14,14-dodecachloro-1,4,4a,5,6,6a,7,10,10a,11,12,12a-dodecahydro-1,4:7,10-dimethanodibenzo[a,e][8]annulene
  • Dechlorane plus = 1,2,3,4,7,8,9,10,13,13,14,14-dodecachloro-1,4,4a,5,6,6a,7,10,10a,11,12,12a-dodecahydro-1,4,7,10-dimethanodibenzo[a,e]cyclooctene

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
Colorless crystalsexp.
Odour
Odorlessexp.
Melting point
>325exp.
Density
1.8 g/cm³exp.
Solubility
In water, 4.4 × 10⁻⁸ mg/Lexp.
Vapour pressure
6 × 10⁻³ mm Hg at 200 °Cexp.

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
653.73 g/molcalc.
Exact mass
647.7201 Dacalc.
LogP (octanol/water)
9.72calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
30calc.
Rings
5calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.78calc.
Formal charge
0calc.
Stereocentres
8calc.
Lipinski rule of five
Fails (2 violations)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, C1=CC2CC1C1CCC3C4C=CC(C4)C3CCC21

C1=CC2CC1C1CCC3C4C=CC(C4)C3CCC21

5 rings, 18 atoms.

3 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms

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

Dechlorane plus suppliers

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

All 6 suppliers
6 of 6 offers

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

6 suppliers in 2 countries

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Dechlorane plus price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Additive flame retardant. (From table).

Fire retardant for plastics.

Plastics -> Typical concentration range in plastic materials -> 3%.

Industrial uses: Other, Flame retardant.

Use classes: Plastics.

Functional uses

  • Flame retardant

How it is made

Prepared by Diels-Alder reaction between cyclooctadiene and hexachlorocyclopentadiene.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2903.89Indicative HS code

Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons, other

World exports in 2024
$92.3M
−2.2% vs 2023, imports $90.8M
2019 to 2024
Top exporters
  1. China40.4%
  2. Japan26.5%
  3. United Kingdom7.2%
Top importers
  1. South Korea19.2%
  2. Japan16.6%
  3. United States15.8%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Dechlorane plus, based on the data on this page

What is Dechlorane plus?

Dechlorane plus is a chemical substance with the molecular formula C18H12Cl12 and a molar mass of 653.73 g/mol. Its CAS registry number is 13560-89-9. The IUPAC name is 1,6,7,8,9,14,15,16,17,17,18,18-dodecachloropentacyclo[12.2.1.16,9.02,13.05,10]octadeca-7,15-diene.

What is the CAS number of Dechlorane plus?

The CAS registry number of Dechlorane plus is 13560-89-9.

What is the molecular formula and weight of Dechlorane plus?

The molecular formula of Dechlorane plus is C18H12Cl12 and its molar mass is 653.73 g/mol.

What is Dechlorane plus used for?

Additive flame retardant. (From table). Fire retardant for plastics. Plastics -> Typical concentration range in plastic materials -> 3%. Industrial uses: Other, Flame retardant. Use classes: Plastics.

Is Dechlorane plus hazardous?

No GHS hazard classification for Dechlorane plus is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Dechlorane plus?

Dechlorane plus is usually classified under HS code 290389 (Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dechlorane plus?

CompoundList lists 6 suppliers of Dechlorane plus in United States and China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Dechlorane plus?

Suppliers quote Dechlorane plus 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

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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