Basic Violet 3

Basic Violet 3 molecular structure
molecular structure · PubChem
AKA: Crystal violet, Gentian violet, 548-62-9, Methylrosanilinium chloride, Aniline Violet, Hexamethyl Violet, Methyl Violet 10B, Gentiaverm, Methylrosaniline chloride, Pyoktanin
Synthetic
Not Clean
Crystal violet (CI 42555); Gentian violet
Solubility less than 1 mg/mL at 86 °F (NTP, 1992)
Formula
C25H30ClN3
Mol. Weight
408.00
CAS #
548-62-9
Form
Powder
State
Hexamethyl-p-rosaniline chloride is a green to dark green powder. (NTP, 1992)
Functions
Hair Dyeing
Colors Hair
Traditional Use
A synthetic dye created in the early 20th century as part of the basic dye family. Developed to provide stable violet coloration in cosmetics, particularly in hair dye formulations.
EWG
7
CIR
Insufficient data
Pregnancy
—
CIR Safety Findings
ewg-7
all-shades-safe
Potential Sensitizer
Regulatory Status
USAunder review
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Skin Types
●all-skin-types
Best For
General
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR