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Aliphatic and alicyclic building blocks

Chlordene

Also known as Chlordene 50, 4,5,6,7,8,8-Hexachloro-3a,4,7,7a-tetrahydro-4,7-methano-1H-indene, 4,7-Methano-1H-indene, 4,5,6,7,8,8-hexachloro-3a,4,7,7a-tetrahydro-

CAS 3734-48-3Formula C10H6Cl6Molar mass 338.88 g/molEC 223-096-8
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant, Serious health hazard
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Chlordene chemical structure, C10H6Cl6, CAS 3734-48-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3734-48-3
Formula
C10H6Cl6
Molar mass
338.88 g/mol
Solubility
In water, 4.62 × 10⁻⁴ mg/L @ 25 °C
HS code
290389
Category
Aliphatic and alicyclic building blocks

What is Chlordene?

Plain description, key identifiers and synonyms

Chlordene is a chemical substance with the molecular formula C10H6Cl6 and a molar mass of 338.88 g/mol. Its CAS registry number is 3734-48-3. The IUPAC name is 1,7,8,9,10,10-hexachlorotricyclo[5.2.1.02,6]deca-3,8-diene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,7,8,9,10,10-hexachlorotricyclo[5.2.1.02,6]deca-3,8-diene
CAS number
3734-48-3 CAS number cross-checked
EC number
223-096-8
Molecular formula
C10H6Cl6
UNII
Y0NOO4CU6D
MDL number
MFCD00213568
InChIKey
XCJXQCUJXDUNDN-UHFFFAOYSA-N
InChI
InChI=1S/C10H6Cl6/c11-6-7(12)9(14)5-3-1-2-4(5)8(6,13)10(9,15)16/h1-2,4-5H,3H2
SMILES (canonical and isomeric)
C1C=CC2C1C3(C(=C(C2(C3(Cl)Cl)Cl)Cl)Cl)Cl

Synonyms

  • Chlordene 50
  • 4,5,6,7,8,8-Hexachloro-3a,4,7,7a-tetrahydro-4,7-methano-1H-indene
  • 4,7-Methano-1H-indene, 4,5,6,7,8,8-hexachloro-3a,4,7,7a-tetrahydro-
  • Addukt hexachlorcyklopentadienu S cyklopentadienem
  • 4,5,6,7,8,8-Hexachloro-3a,4,7,7a-tetrahydro-4,7-methanoindene
  • 4,7-Methanoindene, 4,5,6,7,8,8-hexachloro-3a,4,7,7a-tetrahydro-
  • 4,5,6,7,8,8-Hexachlor-delta(sup 1,5)-tetrahydro-4,7-methanoinden
  • 4,7-Methanoindene, 4,5,6,7,8,8-hexachloro-delta(sup 1,5)-tetrahydro-
  • 1,7,8,9,10,10-Hexachlorotricyclo[5.2.1.0,2,6]deca-3,8-diene
  • 1,7,8,9,10,10-hexachlorotricyclo[5.2.1.02,6]deca-3,8-diene
  • 1,7,8,9,10,10-hexachlorotricyclo[5.2.1.0~2,6~]deca-3,8-diene
  • C10H6Cl6
  • 1,7,8,9,10,10-hexachlorotricyclo[5.2.1.0^{2,6}]deca-3,8-diene
  • 4,5,6,7,8,8-hexachloro-3a,4,7,7a-tetrahydro-4,7-methano-indene
  • 4,5,6,7,8,8,-hexachloro-3a,4, 7,7a-tetrahydro-4,7-methanoindene
  • 4,5,6,7,8,8-hexachloro-3a,4,7,7a-tetrahydro-1H-4,7-methanoindene
  • 4,5,6,7,8,8-Hexachloro-3a,4,7,7a-tetrahydro-4,7- methanoindene
  • 4,5,6,7,8,8-Hexachlor-delta(sup 1,5)-tetrahydro-4,7- methanoinden
  • 4,5,6,7,8,8-Hexachloro-3a,4,7,7a-tetrahydro-4,7-methano-1H- indene
  • 4,7-Methano-1H-indene, 4,5,6,7,8,8-hexachloro-3a,4,7,7a- tetrahydro-
  • 4,7-Methanoindene, 4,5,6,7,8,8-hexachloro-delta(sup 1,5)- tetrahydro-
  • 4,7-Methanoindene, 4,5,6,7,8,8-hexachloro-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

Solubility
In water, 4.62 × 10⁻⁴ mg/L @ 25 °Cexp.
Vapour pressure
2.0 × 10⁻⁵ mm Hg at 25 °C /Estimated/exp.

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
338.88 g/molcalc.
Exact mass
335.8601 Dacalc.
LogP (octanol/water)
5.02calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
16calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.6calc.
Formal charge
0calc.
Stereocentres
4calc.
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

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H311Toxic in contact with skin.
  • H331Toxic if inhaled.
  • H361Suspected of damaging fertility or the unborn child.
Precautionary statements (18)
  • P203Obtain, read and follow all safety instructions before use.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P318If exposed or concerned, get medical advice.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Chlordene suppliers

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Chlordene 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

Intermediate in manufacture of chlordane & heptachlor.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive 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 Chlordene 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 Chlordene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Chlordene?

Chlordene is a chemical substance with the molecular formula C10H6Cl6 and a molar mass of 338.88 g/mol. Its CAS registry number is 3734-48-3. The IUPAC name is 1,7,8,9,10,10-hexachlorotricyclo[5.2.1.02,6]deca-3,8-diene.

What is the CAS number of Chlordene?

The CAS registry number of Chlordene is 3734-48-3.

What is the molecular formula and weight of Chlordene?

The molecular formula of Chlordene is C10H6Cl6 and its molar mass is 338.88 g/mol.

What is Chlordene used for?

Intermediate in manufacture of chlordane & heptachlor.

Is Chlordene hazardous?

Chlordene carries the GHS signal word "Danger". Main hazards: harmful if swallowed, toxic in contact with skin, toxic if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Chlordene?

Chlordene 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 Chlordene?

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What is the price of Chlordene?

Suppliers quote Chlordene 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 Chlordene

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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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