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Basic and cationic dyes

Basic Yellow 28

Also known as C.i. basic yellow 28, 3H-Indolium, 2-((2-(4-methoxyphenyl)-2-methylhydrazinylidene)methyl)-1,3,3-trimethyl-, methyl sulfate (1:1), Lowacryl yellow 28

CAS 54060-92-3Formula C21H27N3O5SMolar mass 433.53 g/molEC 258-946-7
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe), Harmful or irritant, Hazardous to the environment 11 suppliers listed
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Basic Yellow 28 chemical structure, C21H27N3O5S, CAS 54060-92-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
54060-92-3
Formula
C21H27N3O5S
Molar mass
433.53 g/mol
EC number
258-946-7
HS code
320413
Category
Basic and cationic dyes

What is Basic Yellow 28?

Plain description, key identifiers and synonyms

Basic Yellow 28 is a chemical substance with the molecular formula C21H27N3O5S and a molar mass of 433.53 g/mol. Its CAS registry number is 54060-92-3. The IUPAC name is 4-methoxy-N-methyl-N-[(E)-(1,3,3-trimethylindol-1-ium-2-yl)methylideneamino]aniline, methyl sulfate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-methoxy-N-methyl-N-[(E)-(1,3,3-trimethylindol-1-ium-2-yl)methylideneamino]aniline, methyl sulfate
CAS number
54060-92-3 CAS number cross-checked
EC number
258-946-7
Molecular formula
C21H27N3O5S
UNII
2HJO358I4S
INCI name
BASIC YELLOW 28
InChIKey
SPWPAFQLIZTXFN-UHFFFAOYSA-M
InChI
InChI=1S/C20H24N3O.CH4O4S/c1-20(2)17-8-6-7-9-18(17)22(3)19(20)14-21-23(4)15-10-12-16(24-5)13-11-15;1-5-6(2,3)4/h6-14H,1-5H3;1H3,(H,2,3,4)/q+1;/p-1
Canonical SMILES
COS(=O)(=O)[O-].COc1ccc(N(C)N=CC2=[N+](C)c3ccccc3C2(C)C)cc1
Isomeric SMILES
CC1(C2=CC=CC=C2[N+](=C1/C=N/N(C)C3=CC=C(C=C3)OC)C)C.COS(=O)(=O)[O-]

Synonyms

  • C.i. basic yellow 28
  • 3H-Indolium, 2-((2-(4-methoxyphenyl)-2-methylhydrazinylidene)methyl)-1,3,3-trimethyl-, methyl sulfate (1:1)
  • Lowacryl yellow 28
  • 4-methoxy-N-methyl-N-[(E)-(1,3,3-trimethylindol-1-ium-2-yl)methylideneamino]aniline, methyl sulfate
  • Astrazon Golden Yellow GL
  • Yoracryl Yellow RL
  • Astrazon Golden Yellow GL-FW
  • Crypur Golden Yellow GL
  • Maxilon Golden Yellow GL
  • Diacryl Golden Yellow GL-N
  • Astrazon Golden Yellow GL-E
  • Basacryl Golden Yellow X-GFL
  • Kayacryl Golden Yellow GL-ED
  • Sandocryl Golden Yellow B-GRL
  • FAT 92'213/A
  • Basicyellow28
  • 3H-Indolium,2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-, methylsulfate
  • C.I.Basic Yellow 28
  • 2-(((4-Methoxyphenyl)methylhydrazono)methyl)-1,3,3-trimethyl-3H-indolium methyl sulfate
  • 3H-Indolium, 2-(((4-methoxyphenyl)methylhydrazono)methyl)-1,3,3-trimethyl-, methyl sulfate
  • 2-(((4-Methoxyphenyl)methylhydrazono)methyl)-1,3,3-trimethyl-3H-indolium methyl sulphate

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
433.53 g/molcalc.
Exact mass
433.1671 Dacalc.
LogP (octanol/water)
2.92calc.
Topological polar surface area
94.27 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
5calc.
Heavy atoms
30calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
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, C(=NNc1ccccc1)C1=Nc2ccccc2C1

C(=NNc1ccccc1)C1=Nc2ccccc2C1

3 rings, 18 atoms.

36 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301Toxic if swallowed.
  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H318Causes serious eye damage.
  • H330Fatal if inhaled.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (23)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • 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.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • 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

Basic Yellow 28 suppliers

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

All 11 suppliers
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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

11 suppliers in 4 countries

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Basic Yellow 28 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

Use classes: Cosmetics.

Cosmetic ingredient, INCI name BASIC YELLOW 28(hair dyeing)

Functional uses

  • Dye

Cosmetic functions

  • 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: 3H-Indolium, 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl- and its salts, when used as a substance in hair dye products, Ref no: 1272, An…

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 Basic Yellow 28 is traded under.

HS 3204.13Indicative HS code

Basic dyes and preparations based thereon

World exports in 2024
$209M
−2.6% vs 2023, imports $224M
2019 to 2024
Top exporters
  1. India * partner reported27.9%
  2. China21.8%
  3. Spain6.6%
Top importers
  1. United States11.2%
  2. China7.9%
  3. Germany7.4%

* Partner reported figures, a lower bound.

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

The HS code shown for Basic Yellow 28 is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Basic Yellow 28, based on the data on this page

What is Basic Yellow 28?

Basic Yellow 28 is a chemical substance with the molecular formula C21H27N3O5S and a molar mass of 433.53 g/mol. Its CAS registry number is 54060-92-3. The IUPAC name is 4-methoxy-N-methyl-N-[(E)-(1,3,3-trimethylindol-1-ium-2-yl)methylideneamino]aniline, methyl sulfate.

What is the CAS number of Basic Yellow 28?

The CAS registry number of Basic Yellow 28 is 54060-92-3.

What is the molecular formula and weight of Basic Yellow 28?

The molecular formula of Basic Yellow 28 is C21H27N3O5S and its molar mass is 433.53 g/mol.

What is Basic Yellow 28 used for?

Use classes: Cosmetics.

Is Basic Yellow 28 hazardous?

Basic Yellow 28 carries the GHS signal word "Danger". Main hazards: toxic if swallowed, harmful if swallowed, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Basic Yellow 28?

Basic Yellow 28 is usually classified under HS code 320413 (Basic dyes and preparations based thereon). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Basic Yellow 28?

CompoundList lists 11 suppliers of Basic Yellow 28 in India, China, United Kingdom and Italy. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Basic Yellow 28 in India?

5 suppliers in India list Basic Yellow 28 on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Basic Yellow 28?

Suppliers quote Basic Yellow 28 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 Basic Yellow 28

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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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