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Home/Compounds/cosmetic_ingredient/Ext. D&c violet no. 2
C21H14NNaO6S
431.4 g/mol
cosmetic_ingredientDanger

ACID VIOLET 43

CAS4430-18-6EC224-618-7
Category
cosmetic_ingredient
Compound Class
Aromatic
Primary Use
CIR ingredient for cosmetics

Acid Violet 43 is a synthetic colorant commonly used in cosmetic formulations, where it serves as a dye for various personal care products. It is a sulfonated anthraquinone derivative with a violet hue, approved for use in cosmetics by the Cosmetic Ingredient Review (CIR).

CIR ingredient for cosmeticscolorant in personal care products

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongStructure SimilarSimilarity 0.85

D&c green no. 5

CAS4403-90-1

synthetic dye for textiles and cosmetics

ReferenceSame Category

Arbutin

CAS497-76-7

skin lightening agent

ReferenceSame Category

Arachidic acid

CAS506-30-9

Cosmetic ingredient

ReferenceSame Category

Sclareol

CAS515-03-7

Fragrance ingredient in cosmetics

ReferenceSame Category

Disodium ascorbyl sulfate

CAS53910-28-4

cosmetic skin lightening agent

Referencesame scaffold

D&C violet no. 2

CAS81-48-1

Dye for cosmetics and plastics

Referencesame scaffold

Pigment Violet 27

CAS12237-62-6

Disperse dye for textiles

Referencesame scaffold

1-(p-acetamidoanilino)-4-hydroxyanthraquinone

CAS67905-17-3

solvent dye

Safety Reference

Corrosive
Corrosive
Environmental Hazard
Environmental Hazard
Danger
H318Causes serious eye damage
H412Harmful to aquatic life with long lasting effects

Customs Tariff Classification

The international HS code for ACID VIOLET 43 (CAS 4430-18-6) is 3204.12.

HS code (international, 6-digit)

3204.12

EU CN code (8-digit)

3204 12 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

sodium 2-[(4-hydroxy-9,10-dioxoanthracen-1-yl)amino]-5-methylbenzenesulfonate

InChIKey

GTKIEPUIFBBXJQ-UHFFFAOYSA-M

SMILES

CC1=CC(=C(C=C1)NC2=C3C(=C(C=C2)O)C(=O)C4=CC=CC=C4C3=O)S(=O)(=O)[O-].[Na+]

Synonyms (43)
  • 11362 Violet
  • ACID VIOLET 43
  • Acid Alizarine Violet R
  • Acid Violet Anthraquinone
  • Ahcoquinone Blue IR
  • Alizarin Violanol R
  • Alizarine Brilliant Violet R
  • Alizarine Irisol R
  • Alizarine Irisol RD
  • Alizarine Light Violet B
  • Alizarine Light Violet RS
  • Alizarine Purple RS
  • Alizarine Violanol R
  • Alizarine Violet 3B
  • Alizarine Violet NR
  • Allzurol Purple
  • Anthraquinone Iris R
  • C.I. Acid Violet 43
  • Chrome Violet Anthraquinone
  • Diacid Light Violet RS
  • EXT DC VIOLET NO. 2
  • Erio Anthracene Cyanine JR
  • Erio Fast Cyanine JR
  • Erionyl Cyanine E-JR
  • Ext D and C Violet No. 2
  • Fenalan Violet 3B
  • Kiton Fast Violet R
  • Murasaki 401
  • Solanol Violet 3B
  • Solway Purple R
  • Solway Purple RA
  • Solway purple
  • Suminol Levelling Violet 3B
  • Supracen Violet 3B
  • Vondacid Light Violet 3B

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