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Analytical reagents

Dichlorophenol indophenol

Also known as 2,6-Dichlorophenolindophenol, 2,6-Dichloroindophenol, Dichloroindophenol

CAS 956-48-9Formula C12H7Cl2NO2Molar mass 268.10 g/molEC 213-479-8
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Dichlorophenol indophenol chemical structure, C12H7Cl2NO2, CAS 956-48-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
956-48-9
Formula
C12H7Cl2NO2
Molar mass
268.10 g/mol
EC number
213-479-8
HS code
292529
Category
Analytical reagents

What is Dichlorophenol indophenol?

Plain description, key identifiers and synonyms

2,6-dichloroindophenol is a quinone imine that is indophenol substituted by chloro groups at positions 2 and 6. It has a role as a reagent and a dye. It is a member of phenols, an organochlorine compound and a quinone imine. It is functionally related to an indophenol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(3,5-dichloro-4-hydroxyphenyl)iminocyclohexa-2,5-dien-1-one
CAS number
956-48-9 CAS number cross-checkedOther or deprecated CAS: 537-14-4
EC number
213-479-8
Molecular formula
C12H7Cl2NO2
UNII
C35QN2Z58B
MDL number
MFCD00066292
InChIKey
FBWADIKARMIWNM-UHFFFAOYSA-N
InChI
InChI=1S/C12H7Cl2NO2/c13-10-5-8(6-11(14)12(10)17)15-7-1-3-9(16)4-2-7/h1-6,17H
SMILES (canonical and isomeric)
C1=CC(=O)C=CC1=NC2=CC(=C(C(=C2)Cl)O)Cl

Synonyms

  • 2,6-Dichlorophenolindophenol
  • 2,6-Dichloroindophenol
  • Dichloroindophenol
  • DCIP
  • Tillmans Reagent
  • DCPIP
  • 2,5-cyclohexadien-1-one, 2,6-dichloro-4-[(4-hydroxyphenyl)imino]-
  • 4-[(3,5-dichloro-4-hydroxyphenyl)imino]cyclohexa-2,5-dien-1-one
  • 2,6-Dichloro-N-4-hydroxyphenyl-p-benzoquinone monoimine
  • 4-(3,5-dichloro-4-hydroxyphenyl)iminocyclohexa-2,5-dien-1-one
  • 2,6-Dichloro-4-[(4-hydroxyphenyl)imino]-2,5-cyclohexadien-1-one
  • 2,6-dichloro-4-[(4-hydroxyphenyl)imino]cyclohexa-2,5-dien-1-one
  • Indochlorophenol
  • 2,6-dichloro-4-((4-hydroxyphenyl)imino)cyclohexa-2,5-dien-1-one
  • 2,5-Cyclohexadien-1-one, 2,6-dichloro-4-((4-hydroxyphenyl)imino)-
  • DCPIP, DPIP, Indochlorophenol, Tillmans Reagent
  • N-3,5-dichloro-4-hydroxyphenyl-1,4-benzoquinone imine
  • DPIP
  • 2,6-Dichlorophenolindophenol (Technical Grade)
  • 26-dichlorophenolindophenol
  • Tillmans-Reagens
  • dichlorphenolindophenol
  • 2,6-dichloro indophenol
  • 2,5-Cyclohexadien-1-ol
  • DCIP (analytical reagent)
Show all 34 synonyms
  • 2,6-Dichlorophenol indophenol
  • 4-(3,5-dichloro-4-hydroxy-phenyl)iminocyclohexa-2,5-dien-1-one
  • Indophenol, 2,6-dichloro- (8CI)
  • 2,6-dichloro-4-[(4-hydroxyphenyl)imino]
  • p-Hydroxyphenyl-2,6-dichloro-p-benzoquinoneimine
  • 2,5-Cyclohexadien-1-one, 4-(3,5-dichloro-4-hydroxyphenyl)imino-
  • 2,6-dichloro-4-(4-hydroxyphenyl)imino-cyclohexa-2,5-dien-1-one
  • 4-[(3,5-Dichloro-4-hydroxyphenyl)imino]-2,5-cyclohexadien-1-one
  • 2,5-Cyclohexadien-1-one, 2,6-dichloro-4-[(4-hydroxyphenyl)imino]- (9CI)

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
268.10 g/molcalc.
Exact mass
266.9854 Dacalc.
LogP (octanol/water)
3.47calc.
Topological polar surface area
49.66 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 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, O=C1C=CC(=Nc2ccccc2)C=C1

O=C1C=CC(=Nc2ccccc2)C=C1

2 rings, 14 atoms, the 4-(Phenylimino)-2,5-cyclohexadien-1-one ring system.

104 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.

Dichlorophenol indophenol suppliers

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Dichlorophenol indophenol 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

Roles

  • dye
  • reagent

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 Dichlorophenol indophenol is traded under.

HS 2925.29Indicative HS code

Imines and their derivatives, salts thereof, other

World exports in 2024
$1.8B
+12.4% vs 2023, imports $1.84B
2019 to 2024
Top exporters
  1. China35.9%
  2. France * partner reported15.5%
  3. Germany9.1%
Top importers
  1. United States13.3%
  2. China13.0%
  3. Brazil9.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Dichlorophenol indophenol, based on the data on this page

What is Dichlorophenol indophenol?

2,6-dichloroindophenol is a quinone imine that is indophenol substituted by chloro groups at positions 2 and 6. It has a role as a reagent and a dye. It is a member of phenols, an organochlorine compound and a quinone imine. It is functionally related to an indophenol.

What is the CAS number of Dichlorophenol indophenol?

The CAS registry number of Dichlorophenol indophenol is 956-48-9. Other or deprecated CAS numbers: 537-14-4.

What is the molecular formula and weight of Dichlorophenol indophenol?

The molecular formula of Dichlorophenol indophenol is C12H7Cl2NO2 and its molar mass is 268.10 g/mol.

What is Dichlorophenol indophenol used for?

Known uses and roles of Dichlorophenol indophenol include analytical reagents in research and laboratory, dye and reagent.

Is Dichlorophenol indophenol hazardous?

No GHS hazard classification for Dichlorophenol indophenol 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 Dichlorophenol indophenol?

Dichlorophenol indophenol is usually classified under HS code 292529 (Imines and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dichlorophenol indophenol?

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

What is the price of Dichlorophenol indophenol?

Suppliers quote Dichlorophenol indophenol 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 Dichlorophenol indophenol

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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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