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Screening compounds

Azo dye

Also known as 4,4'-Bis(2-hydroxyethylethylamino)-2,2'-dimethylazobenzene

CAS 102424-25-9Formula C22H32N4O2Molar mass 384.52 g/molEC 600-312-2
1 supplier listed
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Azo dye chemical structure, C22H32N4O2, CAS 102424-25-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
102424-25-9
Formula
C22H32N4O2
Molar mass
384.52 g/mol
EC number
600-312-2
HS code
292700
Category
Screening compounds

What is Azo dye?

Plain description, key identifiers and synonyms

Azo dye is a chemical substance with the molecular formula C22H32N4O2 and a molar mass of 384.52 g/mol. Its CAS registry number is 102424-25-9. The IUPAC name is 2-[N-ethyl-4-[[4-[ethyl(2-hydroxyethyl)amino]-2-methylphenyl]diazenyl]-3-methylanilino]ethanol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[N-ethyl-4-[[4-[ethyl(2-hydroxyethyl)amino]-2-methylphenyl]diazenyl]-3-methylanilino]ethanol
CAS number
102424-25-9 CAS number cross-checked
EC number
600-312-2
Molecular formula
C22H32N4O2
InChIKey
UQACKAULSXYLJH-UHFFFAOYSA-N
InChI
InChI=1S/C22H32N4O2/c1-5-25(11-13-27)19-7-9-21(17(3)15-19)23-24-22-10-8-20(16-18(22)4)26(6-2)12-14-28/h7-10,15-16,27-28H,5-6,11-14H2,1-4H3
SMILES (canonical and isomeric)
CCN(CCO)C1=CC(=C(C=C1)N=NC2=C(C=C(C=C2)N(CC)CCO)C)C

Synonyms

  • 4,4'-Bis(2-hydroxyethylethylamino)-2,2'-dimethylazobenzene

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
384.52 g/molcalc.
Exact mass
384.2525 Dacalc.
LogP (octanol/water)
4.36calc.
Topological polar surface area
71.66 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
10calc.
Heavy atoms
28calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.46calc.
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, c1ccc(N=Nc2ccccc2)cc1

c1ccc(N=Nc2ccccc2)cc1

2 rings, 14 atoms, the Azobenzene ring system.

3,419 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.

Azo dye suppliers

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Where suppliers are based

1 supplier in 1 country

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Azo dye price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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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

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 Azo dye is traded under.

HS 2927.00Indicative HS code

Diazo-, azo- or azoxy compounds

World exports in 2024
$571M
+6.1% vs 2023, imports $525M
2019 to 2024
Top exporters
  1. China47.0%
  2. Indonesia13.1%
  3. Japan9.3%
Top importers
  1. United States10.2%
  2. India * partner reported9.1%
  3. South Korea9.1%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Azo dye, based on the data on this page

What is Azo dye?

Azo dye is a chemical substance with the molecular formula C22H32N4O2 and a molar mass of 384.52 g/mol. Its CAS registry number is 102424-25-9. The IUPAC name is 2-[N-ethyl-4-[[4-[ethyl(2-hydroxyethyl)amino]-2-methylphenyl]diazenyl]-3-methylanilino]ethanol.

What is the CAS number of Azo dye?

The CAS registry number of Azo dye is 102424-25-9.

What is the molecular formula and weight of Azo dye?

The molecular formula of Azo dye is C22H32N4O2 and its molar mass is 384.52 g/mol.

What is Azo dye used for?

Known uses and roles of Azo dye include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Azo dye hazardous?

No GHS hazard classification for Azo dye 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 Azo dye?

Azo dye is usually classified under HS code 292700 (Diazo-, azo- or azoxy-compounds). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Azo dye?

CompoundList lists 1 supplier of Azo dye in 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 Azo dye?

Suppliers quote Azo dye 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 Azo dye

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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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