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Dyes and pigments

Diarylide yellow

Also known as Monolite Yellow GL, Helio Fast Yellow GRF, Light Yellow JBR

CAS 5102-83-0Formula C36H34Cl2N6O4Molar mass 685.61 g/molEC 225-822-9
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Diarylide yellow chemical structure, C36H34Cl2N6O4, CAS 5102-83-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5102-83-0
Formula
C36H34Cl2N6O4
Molar mass
685.61 g/mol
EC number
225-822-9
HS code
292700
Category
Dyes and pigments

What is Diarylide yellow?

Plain description, key identifiers and synonyms

Diarylide yellow is a chemical substance with the molecular formula C36H34Cl2N6O4 and a molar mass of 685.61 g/mol. Its CAS registry number is 5102-83-0. The IUPAC name is 2-[[2-chloro-4-[3-chloro-4-[[1-(2,4-dimethylanilino)-1,3-dioxobutan-2-yl]diazenyl]phenyl]phenyl]diazenyl]-N-(2,4-dimethylphenyl)-3-oxobutanamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[[2-chloro-4-[3-chloro-4-[[1-(2,4-dimethylanilino)-1,3-dioxobutan-2-yl]diazenyl]phenyl]phenyl]diazenyl]-N-(2,4-dimethylphenyl)-3-oxobutanamide
CAS number
5102-83-0
EC number
225-822-9
Molecular formula
C36H34Cl2N6O4
UNII
O8RYS681QI
MDL number
MFCD00071953, MFCD00801136
INCI name
CI 21100, PIGMENT YELLOW 13
InChIKey
IAFBRPFISOTXSO-UHFFFAOYSA-N
InChI
InChI=1S/C36H34Cl2N6O4/c1-19-7-11-29(21(3)15-19)39-35(47)33(23(5)45)43-41-31-13-9-25(17-27(31)37)26-10-14-32(28(38)18-26)42-44-34(24(6)46)36(48)40-30-12-8-20(2)16-22(30)4/h7-18,33-34H,1-6H3,(H,39,47)(H,40,48)
SMILES (canonical and isomeric)
CC1=CC(=C(C=C1)NC(=O)C(C(=O)C)N=NC2=C(C=C(C=C2)C3=CC(=C(C=C3)N=NC(C(=O)C)C(=O)NC4=C(C=C(C=C4)C)C)Cl)Cl)C

Synonyms

  • Monolite Yellow GL
  • Helio Fast Yellow GRF
  • Light Yellow JBR
  • Kromon Yellow GXR
  • Vynamon Yellow GRE
  • Benzidine Yellow GE
  • Hostaperm Yellow GR
  • Permanent Yellow GR
  • Irgalite Yellow BAW
  • Monolite Yellow GLA
  • Vynamon Yellow GRES
  • Irgaplast Yellow IRS
  • Irgalite Yellow BAWX
  • Elkon Fast Yellow GR
  • Vulcan Fast Yellow GR
  • Helio Fast Yellow GRN
  • Latexol Fast Yellow JR
  • Rubber Fast Yellow GRA
  • Vulcan Fast Yellow GRA
  • Vulcan Fast Yellow GRN
  • Symuler Fast Yellow GRF
  • Monolite Fast Yellow GLV
  • Recolite Fast Yellow BLF
  • Recolite Fast Yellow BLT
  • Benzidine Yellow 20544
Show all 39 synonyms
  • Sanyo Light Fast Benzidine Yellow R
  • C.I. 21100
  • Dainichi Benzidine Yellow 2GR
  • Benzidine Yellow Lemon 12221
  • Isol Benzidine Fast Yellow GRX
  • Yellow13
  • Isol Benzidine Fast Yellow GRX spec
  • CI 21100
  • 2-[[2-chloro-4-[3-chloro-4-[[1-(2,4-dimethylanilino)-1,3-dioxobutan-2-yl]diazenyl]phenyl]phenyl]diazenyl]-N-(2,4-dimethylphenyl)-3-oxobutanamide
  • Butanamide, 2,2'-((3,3'-dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(N-(2,4-dimethylphenyl)-3-oxo-
  • Butanamide,2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxo-
  • Pigment Yellow 13 (Technical Grade)
  • Saranac Yellow X 2838
  • Butanamide, 2,2'-((3,3'-dichloro(1,1'-biphenyl)-4,4'-diyl)bis(2,1-diazenediyl))bis(N-(2,4-dimethylphenyl)-3-oxo-

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
685.61 g/molcalc.
Exact mass
684.2019 Dacalc.
LogP (octanol/water)
9.25calc.
Topological polar surface area
141.8 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
11calc.
Heavy atoms
48calc.
Rings
4calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0.22calc.
Formal charge
0calc.
Stereocentres
2calc.
Lipinski rule of five
Fails (2 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=C(CN=Nc1ccc(-c2ccc(N=NCC(=O)Nc3ccccc3)cc2)cc1)Nc1ccccc1

O=C(CN=Nc1ccc(-c2ccc(N=NCC(=O)Nc3ccccc3)cc2)cc1)Nc1ccccc1

4 rings, 36 atoms.

62 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.

Diarylide yellow suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 37 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

37 suppliers in 5 countries

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Diarylide yellow price

Indicative price range per kg from live supplier offers

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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

Use classes: Cosmetics.

Cosmetic ingredient, INCI name CI 21100(colorant)

Functional uses

  • Dye
  • Pigment

Cosmetic functions

  • Colorant
  • Hair dyeing

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory
  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] (Pigment Yellow 13, CI 21100) when used as a substance…
  • EU Cosmetics Regulation Annex IV, allowed colourant
    Name: CI 21100, Ref no: 47, Annex ref: IV/47

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

Frequently asked questions

Quick answers about Diarylide yellow, based on the data on this page

What is Diarylide yellow?

Diarylide yellow is a chemical substance with the molecular formula C36H34Cl2N6O4 and a molar mass of 685.61 g/mol. Its CAS registry number is 5102-83-0. The IUPAC name is 2-[[2-chloro-4-[3-chloro-4-[[1-(2,4-dimethylanilino)-1,3-dioxobutan-2-yl]diazenyl]phenyl]phenyl]diazenyl]-N-(2,4-dimethylphenyl)-3-oxobutanamide.

What is the CAS number of Diarylide yellow?

The CAS registry number of Diarylide yellow is 5102-83-0.

What is the molecular formula and weight of Diarylide yellow?

The molecular formula of Diarylide yellow is C36H34Cl2N6O4 and its molar mass is 685.61 g/mol.

What is Diarylide yellow used for?

Use classes: Cosmetics.

Is Diarylide yellow hazardous?

No GHS hazard classification for Diarylide yellow 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 Diarylide yellow?

Diarylide yellow 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 Diarylide yellow?

CompoundList lists 37 suppliers of Diarylide yellow in India, China, United States, Thailand and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Diarylide yellow in India?

19 suppliers in India list Diarylide yellow on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Diarylide yellow?

Suppliers quote Diarylide yellow 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 Diarylide yellow

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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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