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Impurities and reference standards

Bis(2,4-dichlorophenyl)ether

Also known as 2,2',4,4'-Tetrachlorodiphenyl ether, 2,2',4,4'-Tetrachlorophenyl oxide, Benzene, 1,1'-oxybis(2,4-dichloro-

CAS 28076-73-5Formula C12H6Cl4OMolar mass 307.99 g/mol
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Bis(2,4-dichlorophenyl)ether chemical structure, C12H6Cl4O, CAS 28076-73-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
28076-73-5
Formula
C12H6Cl4O
Appearance
Crystals from ether
Melting point
71 °C
HS code
290930
Category
Impurities and reference standards
Illustrative photo, closed jumbo bulk bags in a warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Bis(2,4-dichlorophenyl)ether?

Plain description, key identifiers and synonyms

Bis(2,4-dichlorophenyl)ether is a chemical substance with the molecular formula C12H6Cl4O and a molar mass of 307.99 g/mol. Its CAS registry number is 28076-73-5. The IUPAC name is 2,4-dichloro-1-(2,4-dichlorophenoxy)benzene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,4-dichloro-1-(2,4-dichlorophenoxy)benzene
CAS number
28076-73-5 CAS number cross-checked
Molecular formula
C12H6Cl4O
UNII
ED7GU5HDHO
InChIKey
ZRWRPGGXCSSBAO-UHFFFAOYSA-N
InChI
InChI=1S/C12H6Cl4O/c13-7-1-3-11(9(15)5-7)17-12-4-2-8(14)6-10(12)16/h1-6H
SMILES (canonical and isomeric)
C1=CC(=C(C=C1Cl)Cl)OC2=C(C=C(C=C2)Cl)Cl

Synonyms

  • 2,2',4,4'-Tetrachlorodiphenyl ether
  • 2,2',4,4'-Tetrachlorophenyl oxide
  • Benzene, 1,1'-oxybis(2,4-dichloro-
  • PCDE 47
  • Benzene, 1,1'-oxybis[2,4-dichloro-
  • Benzene, 2,4-dichloro-1-(2,4-dichlorophenoxy)-
  • Benzene, 1,1'oxybis(2,4dichloro
  • 2,2',4,4'Tetrachlorophenyl oxide
  • 2,2',4,4'Tetrachlorodiphenyl ether
  • 2,4-dichloro-1-(2,4-dichlorophenoxy)benzene
  • Triclosan Impurity 36
  • Tetrachlorodiphenyl ether
  • 1,1'-oxybis(2,4-dichlorobenzene)
  • 4,4'-oxybis(1,3-dichlorobenzene)

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 etherexp.
Melting point
71 °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
307.99 g/molcalc.
Exact mass
305.9173 Dacalc.
LogP (octanol/water)
6.09calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
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(Oc2ccccc2)cc1

c1ccc(Oc2ccccc2)cc1

2 rings, 13 atoms, the Diphenyl ether ring system.

9,579 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.

Bis(2,4-dichlorophenyl)ether suppliers

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Bis(2,4-dichlorophenyl)ether 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Bis(2,4-dichlorophenyl)ether is traded under.

HS 2909.30Indicative HS code

Aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives

World exports in 2024
$470M
−2.2% vs 2023, imports $432M
2019 to 2024
Top exporters
  1. China45.7%
  2. Germany15.7%
  3. India * partner reported9.9%
Top importers
  1. United States14.3%
  2. China11.8%
  3. India * partner reported8.3%

* Partner reported figures, a lower bound.

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

The HS code shown for Bis(2,4-dichlorophenyl)ether is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Bis(2,4-dichlorophenyl)ether, based on the data on this page

What is Bis(2,4-dichlorophenyl)ether?

Bis(2,4-dichlorophenyl)ether is a chemical substance with the molecular formula C12H6Cl4O and a molar mass of 307.99 g/mol. Its CAS registry number is 28076-73-5. The IUPAC name is 2,4-dichloro-1-(2,4-dichlorophenoxy)benzene.

What is the CAS number of Bis(2,4-dichlorophenyl)ether?

The CAS registry number of Bis(2,4-dichlorophenyl)ether is 28076-73-5.

What is the molecular formula and weight of Bis(2,4-dichlorophenyl)ether?

The molecular formula of Bis(2,4-dichlorophenyl)ether is C12H6Cl4O and its molar mass is 307.99 g/mol.

Is Bis(2,4-dichlorophenyl)ether hazardous?

No GHS hazard classification for Bis(2,4-dichlorophenyl)ether 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 Bis(2,4-dichlorophenyl)ether?

Bis(2,4-dichlorophenyl)ether is usually classified under HS code 290930 (Aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Bis(2,4-dichlorophenyl)ether?

Post a free request on CompoundList and suppliers of Bis(2,4-dichlorophenyl)ether will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Bis(2,4-dichlorophenyl)ether?

Suppliers quote Bis(2,4-dichlorophenyl)ether 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 Bis(2,4-dichlorophenyl)ether

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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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