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Aliphatic and alicyclic building blocks

Trichlordene

Also known as 4,7-Methano-1H-indene, 1,2,3,4,5,6,7,8,8-nonachloro-3a,4,7,7a-tetrahydro-, 1,2,3,4,5,6,7,8,8-nonachloro-3a,4,7,7a-tetrahydro-4,7-methanoindene, 1,2,3,4,5,6,7,8,8-Nonachloro-3a,4,7,7a-tetrachloro-4,7-methano-1H-indene

CAS 21641-70-3Formula C10H3Cl9Molar mass 442.21 g/mol
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Trichlordene chemical structure, C10H3Cl9, CAS 21641-70-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
21641-70-3
Formula
C10H3Cl9
Molar mass
442.21 g/mol
HS code
290389
Category
Aliphatic and alicyclic building blocks

What is Trichlordene?

Plain description, key identifiers and synonyms

Trichlordene is a chemical substance with the molecular formula C10H3Cl9 and a molar mass of 442.21 g/mol. Its CAS registry number is 21641-70-3. The IUPAC name is 1,3,4,5,7,8,9,10,10-nonachlorotricyclo[5.2.1.02,6]deca-3,8-diene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,3,4,5,7,8,9,10,10-nonachlorotricyclo[5.2.1.02,6]deca-3,8-diene
CAS number
21641-70-3 CAS number cross-checked
Molecular formula
C10H3Cl9
InChIKey
RGZSEYASMOOVQZ-UHFFFAOYSA-N
InChI
InChI=1S/C10H3Cl9/c11-3-1-2(4(12)5(3)13)9(17)7(15)6(14)8(1,16)10(9,18)19/h1-3H
SMILES (canonical and isomeric)
C12C(C(=C(C1Cl)Cl)Cl)C3(C(=C(C2(C3(Cl)Cl)Cl)Cl)Cl)Cl

Synonyms

  • 4,7-Methano-1H-indene, 1,2,3,4,5,6,7,8,8-nonachloro-3a,4,7,7a-tetrahydro-
  • 1,2,3,4,5,6,7,8,8-nonachloro-3a,4,7,7a-tetrahydro-4,7-methanoindene
  • 1,2,3,4,5,6,7,8,8-Nonachloro-3a,4,7,7a-tetrachloro-4,7-methano-1H-indene
  • 1,2,3,4,5,6,7,8,8-Nonachloro-3a,4,7,7a-tetrahydro-1H-4,7-methanoindene
  • 4,7-Methano-1H-indene, 1,2,3,4,5,6,7,8,8-nonachloro-3a,4,7,7a-tetrachloro-
  • 4,7-Methanoindene, 1,2,3,4,5,6,7,8,8-nonachloro-3a,4,7,7a-tetrahydro-

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
442.21 g/molcalc.
Exact mass
437.7431 Dacalc.
LogP (octanol/water)
6.37calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
19calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.6calc.
Formal charge
0calc.
Stereocentres
5calc.
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, C1=CC2C3C=CC(C3)C2C1

C1=CC2C3C=CC(C3)C2C1

3 rings, 10 atoms, the Dicyclopentadiene ring system.

70 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Trichlordene suppliers

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Trichlordene 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

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 Trichlordene 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 Trichlordene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Trichlordene?

Trichlordene is a chemical substance with the molecular formula C10H3Cl9 and a molar mass of 442.21 g/mol. Its CAS registry number is 21641-70-3. The IUPAC name is 1,3,4,5,7,8,9,10,10-nonachlorotricyclo[5.2.1.02,6]deca-3,8-diene.

What is the CAS number of Trichlordene?

The CAS registry number of Trichlordene is 21641-70-3.

What is the molecular formula and weight of Trichlordene?

The molecular formula of Trichlordene is C10H3Cl9 and its molar mass is 442.21 g/mol.

What is Trichlordene used for?

Known uses and roles of Trichlordene include building blocks in research and laboratory.

Is Trichlordene hazardous?

No GHS hazard classification for Trichlordene 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 Trichlordene?

Trichlordene 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 Trichlordene?

Post a free request on CompoundList and suppliers of Trichlordene will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Trichlordene?

Suppliers quote Trichlordene 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 Trichlordene

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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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