Acid Violet 43
AKA “4430-18-6, C.I. Acid Violet 43, CI 60730, G5UX3K0728, DTXSID6041717, NSC-47721, Benzenesulfonic acid, 2-((9, 10-dihydro-4-hydroxy-9, 10-dioxo-1-anthracenyl)amino)-5-methyl-, sodium salt (1:1), Murasaki 401, RefChem:552649
Acid
Ingredient Facts
Acid violet 43
AKA: 4430-18-6, C.I. Acid Violet 43, CI 60730, G5UX3K0728, DTXSID6041717, NSC-47721, Benzenesulfonic acid, 2-((9, 10-dihydro-4-hydroxy-9, 10-dioxo-1-anthracenyl)amino)-5-methyl-, Sodium salt (1:1), Murasaki 401, RefChem:552649
Acid · Hair Dyeing · EWG: 9
Synthetic
Acid
Not Clean
Sodium 4-[(9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthryl)amino]toluene-3-sulphonate (CI 60730)
Formula
C21H14NNaO6S
Mol. Weight
431.40
CAS #
4430-18-6
Form
Powder
State
Solid
See origin →
Functions
Hair Dyeing
Colors Hair
Traditional Use
A synthetic triphenylmethane dye developed in the early 20th century for cosmetic and textile applications. Created as part of the modern synthetic colorant industry for use in hair dyes and cosmetics.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
9
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
ewg-9
medical-approval
all-shades-safe
Concentration Guide
5%
0%7%
Reg. Limit
EU regulatory limit: 5%. 0,5 % Source: EU Cosmetics Regulation (EC) 1223/2009, Annex III (Restricted Substances), Entry 291.
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
🧂Conflict of interest.
Verified Jun 2026 · 🧪 = conflict
Data: PubChem · CosIng · EWG · CIR