Safety Reference
Danger
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
CAS 548-62-9
Malachite green oxalate (2:3)
Dye for textiles and biological stain
Crystal violet, also known as gentian violet, is a dye compound primarily used as a biological stain. It has also been used as a pesticide, though it is not currently registered for such use in the U.
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.
The international HS code for Crystal violet (CAS 548-62-9) is 3204.13.
3204.13
3204 13 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride
ZXJXZNDDNMQXFV-UHFFFAOYSA-M
CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]