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Disperse dyes

Solvent Violet 13

Also known as D&C Violet 2, Alizurol purple, D&C Violet No. 2

CAS 81-48-1Formula C21H15NO3Molar mass 329.36 g/molEC 201-353-5
GHS signal word: Warning. Pictograms: Harmful or irritant 22 suppliers listed
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Solvent Violet 13 chemical structure, C21H15NO3, CAS 81-48-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
81-48-1
Formula
C21H15NO3
Molar mass
329.36 g/mol
Physical form
Solid
HS code
320419
Category
Disperse dyes
Illustrative photo, closed blue fibre drums on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Solvent Violet 13?

Plain description, key identifiers and synonyms

Solvent Violet 13 is a chemical substance with the molecular formula C21H15NO3 and a molar mass of 329.36 g/mol. Its CAS registry number is 81-48-1. The IUPAC name is 1-hydroxy-4-(4-methylanilino)anthracene-9,10-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-hydroxy-4-(4-methylanilino)anthracene-9,10-dione
CAS number
81-48-1 CAS number cross-checkedOther or deprecated CAS: 12217-81-1, 1342-19-4
EC numbers
201-353-5, 601-910-6
Molecular formula
C21H15NO3
UNII
350KA7O6HK
MDL number
MFCD00019148
INCI name
CI 60725, SOLVENT VIOLET 13
InChIKey
LJFWQNJLLOFIJK-UHFFFAOYSA-N
InChI
InChI=1S/C21H15NO3/c1-12-6-8-13(9-7-12)22-16-10-11-17(23)19-18(16)20(24)14-4-2-3-5-15(14)21(19)25/h2-11,22-23H,1H3
SMILES (canonical and isomeric)
CC1=CC=C(C=C1)NC2=C3C(=C(C=C2)O)C(=O)C4=CC=CC=C4C3=O

Synonyms

  • D&C Violet 2
  • Alizurol purple
  • D&C Violet No. 2
  • 1-Hydroxy-4-(p-toluidino)anthraquinone
  • CI Disperse Blue 72
  • CI Solvent Violet 13
  • D & C Violet no. 2
  • Duranol Brilliant Violet 7G
  • 9,10-Anthracenedione, 1-hydroxy-4-[(4-methylphenyl)amino]-
  • Murasaki201
  • 9,10-Anthracenedione, 1-hydroxy-4-((4-methylphenyl)amino)-
  • Dc violet no. 2
  • Sandoplast violet rsb
  • D & c violet no.2
  • Anthraquinone, 1-hydroxy-4-(p-toluidino)-
  • 4-14-00-00893 (Beilstein Handbook Reference)
  • Resiren Blue TRP
  • Dispersol Violet BG
  • D+c violet no 2
  • Violet 2
  • D and c violet no 2
  • 1Hydroxy4(ptoluidino)anthraquinone
  • 4Hydroxy1(ptoluidino)anthraquinone
  • Anthraquinone, 1hydroxy4ptoluidino
  • N(4Hydroxy1anthraquinonyl)ptoluidine
Show all 33 synonyms
  • N(pTolyl)4hydroxy1anthraquinonylamine
  • N(4Hydroxy1anthraquinonyl)4methylaniline
  • 1Hydroxy4((4methylphenyl)amino)9,10anthracenedione
  • 9,10Anthracenedione, 1hydroxy4((4methylphenyl)amino)
  • Disperse Blue 72
  • 1-Hydroxy-4-(p-tolylamino)anthracene-9,10-dione
  • Quinizarin Blue
  • Irisol base

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

Physical form
Solidexp.

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
329.36 g/molcalc.
Exact mass
329.1052 Dacalc.
LogP (octanol/water)
4.22calc.
Topological polar surface area
66.4 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
25calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.05calc.
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, O=C1c2ccccc2C(=O)c2c(Nc3ccccc3)cccc21

O=C1c2ccccc2C(=O)c2c(Nc3ccccc3)cccc21

4 rings, 23 atoms, the 1-Anilino-anthraquinone ring system.

356 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H317May cause an allergic skin reaction.
  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (9)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

Solvent Violet 13 suppliers

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

All 22 suppliers
22 of 22 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

22 suppliers in 5 countries

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Solvent Violet 13 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

Dye for cosmetics (eg, hair & skin care products), dye for plastics & resins (eg, styrene), dye for synthetic textile fibers, dye for hydrocarbon solvents & gasoline.

As dyes in home & industry (alizarin).

Industrial uses: Dye.

Consumer uses: Dye.

Use classes: Cosmetics.

Cosmetic ingredient, INCI name CI 60725(colorant)

Functional uses

  • Dye
  • Fragrance

Cosmetic functions

  • Colorant
  • Hair dyeing

How it is made

Treatment of quinizarin, leuco-quinizarin, or 1-bromo(or chloro)-4-hydroxy-anthraquinone with p-toluidine, followed by sulfonation

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: 1-Hydroxy-4-(p-toluidino)anthraquinone (Solvent Violet 13, CI 60725) when used as a substance in hair dye products, Ref no: 1363, Annex ref: II/1363
  • EU Cosmetics Regulation Annex IV, allowed colourant
    Name: CI 60725 / SOLVENT VIOLET 13 / VIOLET 2, Ref no: 89, Annex ref: IV/89

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 Solvent Violet 13 is traded under.

HS 3204.19Indicative HS code

Synthetic organic colouring matter and preparations based thereon as specified in note 3…

World exports in 2024
$1.08B
+0.2% vs 2023, imports $1.14B
2019 to 2024
Top exporters
  1. United States23.7%
  2. India * partner reported12.4%
  3. China9.0%
Top importers
  1. Germany7.5%
  2. France * partner reported6.4%
  3. Mexico5.4%

* Partner reported figures, a lower bound.

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

The HS code shown for Solvent Violet 13 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Solvent Violet 13, based on the data on this page

What is Solvent Violet 13?

Solvent Violet 13 is a chemical substance with the molecular formula C21H15NO3 and a molar mass of 329.36 g/mol. Its CAS registry number is 81-48-1. The IUPAC name is 1-hydroxy-4-(4-methylanilino)anthracene-9,10-dione.

What is the CAS number of Solvent Violet 13?

The CAS registry number of Solvent Violet 13 is 81-48-1. Other or deprecated CAS numbers: 12217-81-1, 1342-19-4.

What is the molecular formula and weight of Solvent Violet 13?

The molecular formula of Solvent Violet 13 is C21H15NO3 and its molar mass is 329.36 g/mol.

What is Solvent Violet 13 used for?

Dye for cosmetics (eg, hair & skin care products), dye for plastics & resins (eg, styrene), dye for synthetic textile fibers, dye for hydrocarbon solvents & gasoline. As dyes in home & industry (alizarin). Industrial uses: Dye. Consumer uses: Dye. Use classes: Cosmetics.

Is Solvent Violet 13 hazardous?

Solvent Violet 13 carries the GHS signal word "Warning". Main hazards: may cause an allergic skin reaction, may cause long lasting harmful effects to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Solvent Violet 13?

Solvent Violet 13 is usually classified under HS code 320419 (Synthetic organic colouring matter and preparations based thereon as specified in note 3…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Solvent Violet 13?

CompoundList lists 22 suppliers of Solvent Violet 13 in China, India, Canada, Japan 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 Solvent Violet 13 in India?

6 suppliers in India list Solvent Violet 13 on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Solvent Violet 13?

Suppliers quote Solvent Violet 13 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 Solvent Violet 13

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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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