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Basic and cationic dyes

Basic Red 76

Also known as Jarocol madder red, C.I. Basic Red 76, Arianor madder red 306003

CAS 68391-30-0Formula C20H22ClN3O2Molar mass 371.87 g/molEC 269-941-4
GHS signal word: Warning. Pictograms: Hazardous to the environment 6 suppliers listed
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Basic Red 76 chemical structure, C20H22ClN3O2, CAS 68391-30-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
68391-30-0
Formula
C20H22ClN3O2
Molar mass
371.87 g/mol
EC number
269-941-4
HS code
320413
Category
Basic and cationic dyes

What is Basic Red 76?

Plain description, key identifiers and synonyms

Basic Red 76 is a chemical substance with the molecular formula C20H22ClN3O2 and a molar mass of 371.87 g/mol. Its CAS registry number is 68391-30-0. The IUPAC name is [7-hydroxy-8-[(2-methoxyphenyl)diazenyl]naphthalen-2-yl]-trimethylazanium chloride.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[7-hydroxy-8-[(2-methoxyphenyl)diazenyl]naphthalen-2-yl]-trimethylazanium chloride
CAS number
68391-30-0 CAS number cross-checked
EC number
269-941-4
Molecular formula
C20H22ClN3O2
UNII
ES19W9WI76
INCI name
BASIC RED 76
InChIKey
HSWXSHNPRUMJKI-UHFFFAOYSA-N
InChI
InChI=1S/C20H21N3O2.ClH/c1-23(2,3)15-11-9-14-10-12-18(24)20(16(14)13-15)22-21-17-7-5-6-8-19(17)25-4;/h5-13H,1-4H3;1H
SMILES (canonical and isomeric)
C[N+](C)(C)C1=CC2=C(C=C1)C=CC(=C2N=NC3=CC=CC=C3OC)O.[Cl-]

Synonyms

  • Jarocol madder red
  • C.I. Basic Red 76
  • Arianor madder red 306003
  • CI 12245
  • C.I. 12245
  • 8-(2'-Methoxyphenylazo)-7-hydroxy-2-naphthyltrimethylammonium chloride
  • [7-hydroxy-8-[(2-methoxyphenyl)azo]-2-naphthyl]trimethylammonium chloride
  • 2-Naphthalenaminium, 7-hydroxy-8-(2-(2-methoxyphenyl)diazenyl)-N,N,N-trimethyl-, chloride (1:1)
  • (7-Hydroxy-8-((2-methoxyphenyl)azo)-2-naphthyl)trimethylammonium chloride
  • 2-Naphthalenaminium, 7-hydroxy-8-[2-(2-methoxyphenyl)diazenyl]-N,N,N-trimethyl-, chloride (1:1)
  • 7-Hydroxy-8-((2-methoxyphenyl)azo)-N,N,N-trimethyl-2-naphthalenam-inium chloride
  • 7-Hydroxy-8-((2-methoxyphenyl)diazenyl)-N,N,N-trimethylnaphthalen-2-aminium chloride
  • [7-hydroxy-8-[(2-methoxyphenyl)diazenyl]naphthalen-2-yl]-trimethylazanium, chloride
  • 2-Naphthalenaminium, 7-hydroxy-8-[(2-methoxyphenyl)azo]-N,N,N-trimethyl-, chloride
  • Arianor Madder
  • 2-Naphthalenaminium, 7-hydroxy-8-((2-methoxyphenyl)azo)-N,N,N-trimethyl-, chloride
  • 7-Hydroxy-8-[(2-methoxyphenyl)diazenyl]-N,N,N-trimethylnaphthalen-2-aminium chloride
  • Rojo basico 76
  • Rouge basique 76
  • Rosso base 76
  • Vermelho basico 76
  • Arianormadderred
  • 68391-30-0 pound HCl pound(c)
  • (E)-7-hydroxy-8-((2-methoxyphenyl)diazenyl)-N,N,N-trimethylnaphthalen-2-aminium chloride
  • 2-Naphthalenaminium,7-hydroxy-8-[(2-methoxyphenyl)azo]-N,N,N-trimethyl-,chloride
Show all 30 synonyms
  • 7-hydroxy-8-[(2-methoxyphenyl)azo]-2-naphthyltrimethylammonium chloride
  • 7-hydroxy-8-[(2-methoxyphenyl)azo]-n,n,n-trimethyl-2-naphthalenaminiuchlor
  • 8-(2'-Methoxyphenylazo)-7-hydroxy-2-naphthyltrimethylammoniumchloride
  • 7-Hydroxy-8-((2-methoxyphenyl)azo)-N,N,N-trimethyl-2-naphthalenam- inium chloride
  • 7-hydroxy-8-[(2-methoxyphenyl)azo]-n,n,n-trimethyl-2-naphthalenaminiuchloride

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
371.87 g/molcalc.
Exact mass
371.1401 Dacalc.
LogP (octanol/water)
2.17calc.
Topological polar surface area
54.18 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
26calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.2calc.
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, c1ccc(N=Nc2cccc3ccccc23)cc1

c1ccc(N=Nc2cccc3ccccc23)cc1

3 rings, 18 atoms, the Diazene, naphthalenylphenyl- ring system.

1,098 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • P391Collect spillage.
  • 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 Red 76 suppliers

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

All 6 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

6 suppliers in 3 countries

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Basic Red 76 price

Indicative price range per kg from live supplier offers

No published prices right now

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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 RED 76(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 III, restricted in cosmetics
    Name: BASIC RED 76, Ref no: 267, Annex ref: III/267

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 Red 76 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 Red 76 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Basic Red 76, based on the data on this page

What is Basic Red 76?

Basic Red 76 is a chemical substance with the molecular formula C20H22ClN3O2 and a molar mass of 371.87 g/mol. Its CAS registry number is 68391-30-0. The IUPAC name is [7-hydroxy-8-[(2-methoxyphenyl)diazenyl]naphthalen-2-yl]-trimethylazanium chloride.

What is the CAS number of Basic Red 76?

The CAS registry number of Basic Red 76 is 68391-30-0.

What is the molecular formula and weight of Basic Red 76?

The molecular formula of Basic Red 76 is C20H22ClN3O2 and its molar mass is 371.87 g/mol.

What is Basic Red 76 used for?

Use classes: Cosmetics.

Is Basic Red 76 hazardous?

Basic Red 76 carries the GHS signal word "Warning". Main hazards: very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Basic Red 76?

Basic Red 76 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 Red 76?

CompoundList lists 6 suppliers of Basic Red 76 in India, China and Colombia. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Basic Red 76 in India?

3 suppliers in India list Basic Red 76 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 Red 76?

Suppliers quote Basic Red 76 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 Red 76

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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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