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Basic and cationic dyes

Basic Blue 99

Also known as C.I. Basic Blue 99, Jarocol Steel Blue, CI 56059

CAS 68123-13-7Formula C19H20BrClN4O2Molar mass 451.75 g/molEC 268-544-3
GHS signal word: Danger. Pictograms: Corrosive 5 suppliers listed
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Basic Blue 99 chemical structure, C19H20BrClN4O2, CAS 68123-13-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
68123-13-7
Formula
C19H20BrClN4O2
Molar mass
451.75 g/mol
EC number
268-544-3
HS code
320413
Category
Basic and cationic dyes

What is Basic Blue 99?

Plain description, key identifiers and synonyms

Basic Blue 99 is a chemical substance with the molecular formula C19H20BrClN4O2 and a molar mass of 451.75 g/mol. Its CAS registry number is 68123-13-7. The IUPAC name is [3-[(4,8-diamino-6-bromo-5-hydroxy-1-oxonaphthalen-2-ylidene)amino]phenyl]-trimethylazanium chloride.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[3-[(4,8-diamino-6-bromo-5-hydroxy-1-oxonaphthalen-2-ylidene)amino]phenyl]-trimethylazanium chloride
CAS number
68123-13-7 CAS number cross-checked
EC number
268-544-3
Molecular formula
C19H20BrClN4O2
UNII
P0U7VBC51E
INCI name
BASIC BLUE 99
InChIKey
RFQSMLBZXQOMKK-UHFFFAOYSA-N
InChI
InChI=1S/C19H19BrN4O2.ClH/c1-24(2,3)11-6-4-5-10(7-11)23-15-9-14(22)16-17(19(15)26)13(21)8-12(20)18(16)25;/h4-9H,1-3H3,(H4-,21,22,23,25,26);1H
SMILES (canonical and isomeric)
C[N+](C)(C)C1=CC=CC(=C1)N=C2C=C(C3=C(C2=O)C(=CC(=C3O)Br)N)N.[Cl-]

Synonyms

  • C.I. Basic Blue 99
  • Jarocol Steel Blue
  • CI 56059
  • Arianor steel blue 306004
  • Benzenaminium, 3-((4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphthalenyl)amino)-N,N,N-trimethyl-, chloride
  • Benzenaminium, 3-((4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphthalenyl)amino)-N,N,N-trimethyl-, chloride (1:1)
  • [3-[(4,8-diamino-6-bromo-5-hydroxy-1-oxonaphthalen-2-ylidene)amino]phenyl]-trimethylazanium, chloride
  • 3-((4-Amino-6-bromo-1-hydroxy-8-imino-5-oxo-5,8-dihydronaphthalen-2-yl)amino)-N,N,N-trimethylbenzenaminium chloride
  • Basicblue99
  • Arianor Steel Blue
  • [3-[(4,8-diamino-6-bromo-1,5-dioxonaphthalen-2-yl)amino]phenyl]-trimethylazanium,chloride
  • 3-((4-Amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtha- lenyl)amino)-N,N,N-trimethylbenzenaminium chloride
  • 3-((4-Amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtyl)amino)-N,N,N-trimethylanilinium chloride
  • 3-[(4-Amino-6-bromo-1-hydroxy-8-imino-5-oxo-5,8-dihydronaphthalen-2-yl)amino]-N,N,N-trimethylanilinium chloride
  • Benzenaminium, 3-((4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtha- lenyl)amino)-N,N,N-trimethyl-, chloride

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
451.75 g/molcalc.
Exact mass
450.0458 Dacalc.
LogP (octanol/water)
0.21calc.
Topological polar surface area
101.7 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
27calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.16calc.
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, O=C1C(=Nc2ccccc2)C=Cc2ccccc21

O=C1C(=Nc2ccccc2)C=Cc2ccccc21

3 rings, 18 atoms.

2 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive

Hazard statements

  • H318Causes serious eye damage.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.

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 Blue 99 suppliers

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

All 5 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

5 suppliers in 4 countries

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Basic Blue 99 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 BASIC BLUE 99(hair conditioning, hair dyeing)

Functional uses

  • Dye

Cosmetic functions

  • Hair conditioning
  • Hair dyeing

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

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 Blue 99 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 Blue 99 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Basic Blue 99, based on the data on this page

What is Basic Blue 99?

Basic Blue 99 is a chemical substance with the molecular formula C19H20BrClN4O2 and a molar mass of 451.75 g/mol. Its CAS registry number is 68123-13-7. The IUPAC name is [3-[(4,8-diamino-6-bromo-5-hydroxy-1-oxonaphthalen-2-ylidene)amino]phenyl]-trimethylazanium chloride.

What is the CAS number of Basic Blue 99?

The CAS registry number of Basic Blue 99 is 68123-13-7.

What is the molecular formula and weight of Basic Blue 99?

The molecular formula of Basic Blue 99 is C19H20BrClN4O2 and its molar mass is 451.75 g/mol.

What is Basic Blue 99 used for?

Use classes: Cosmetics.

Is Basic Blue 99 hazardous?

Basic Blue 99 carries the GHS signal word "Danger". Main hazards: causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Basic Blue 99?

Basic Blue 99 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 Blue 99?

CompoundList lists 5 suppliers of Basic Blue 99 in China, Colombia, India 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 Blue 99 in India?

1 supplier in India list Basic Blue 99 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 Blue 99?

Suppliers quote Basic Blue 99 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

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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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