C20H19N3
301.4 g/mol
Dye & PigmentDanger
Permanent purple
CAS1325-82-2EC603-635-7
Category
Dye & Pigment
Compound Class
Amine
Primary Use
Pigment for paints, plastics, inks, and rubber
Permanent purple is a synthetic organic dye used as a pigment in industrial applications. It is chemically a triphenylmethane derivative with two amine groups.
paintsinksplastics
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
ReferenceSame Category
Pigment blue 1
CAS1325-87-7
pigment for printing inks and paints
ReferenceSame Category
Pigment Violet 1
CAS1326-03-0
purple pigment for coloring
ReferenceSame Category
Vat Black 16
CAS1328-19-4
Vat dye for textiles
ReferenceSame Category
Vat Green 3
CAS1328-45-6
Vat dye for textiles
Referencesame scaffold
Basic fuchsine
CAS632-99-5
histological dye and fluorochrome
Safety Reference
Danger
H318Causes serious eye damage
H319Causes serious eye irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Permanent purple (CAS 1325-82-2) is 3204.17.
HS code (international, 6-digit)
3204.17
EU CN code (8-digit)
3204 17 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
4-[(4-aminophenyl)-(4-methyliminocyclohexa-2,5-dien-1-ylidene)methyl]aniline
InChIKey
DWDURZSYQTXVIN-UHFFFAOYSA-N
SMILES
CN=C1C=CC(=C(C2=CC=C(C=C2)N)C3=CC=C(C=C3)N)C=C1
Synonyms (52)
- Benzoic Methyl Violet Lake
- Brillfast Violet
- C.I. 42535 Lake
- Calcotone Violet RP
- Conc. Violet R
- Consol Violet
- Dainichi Fast Violet M Toner
- Dainichi Fast Violet MX
- Eljon Violet Toner
- Fanal Violet R Supra
- Fanal Violet RA Supra
- Fanatone Violet
- Fanel Violet RA Supra
- Fast Bronze Violet
- Fast Violet Toner R
- Fastel Violet R
- Fastel Violet R Supra
- Federal Fast Violet 7001
- Halopont Violet NM
- Helmerco Violet MR
- Irgalite Violet TCR
- Kromal Violet R
- Lake Basic Violet
- Methyl Violet Lake
- No. 34 Forthbrite Fast Violet
- No. 48 Forthbrite Fast Violet
- Nyco Liquid Violet RF
- Nyco Super Violet 4R
- PMA Violet 3
- Permanent Purple Toner
- Permanent purple
- Purple Lake
- Pyramid Violet Toner NX
- Recolite Violet RDS
- Recolite Violet RTS
- Silosuper Violet R
- Solar Violet RCL
- Solar Violet RMN47-3612
- Syton Violet R
- Tintofen Violet R
- Tintofen Violet R Supra
- Toning Blue MV
- Tropical Violet Toner
- Violet Lake
- Violet PTA & PMA Lakes
- Violet Toner PTMA 55-2925
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