Disperse Violet 1

AKA: 4-Diaminoanthraquinone, 128-95-0, Krisolamine, Acetate Red Violet R, Oracet Violet 2R, Cibacet Violet 2R, 9, 10-Anthracenedione, Grasol Violet R, Seacyl Violet R
Synthetic
Not Clean
1,4-Diaminoanthraquinone; (CI 61100)
Formula
C14H10N2O2
Mol. Weight
238.24
CAS #
128-95-0
Form
Powder
State
Dark violet solid; [EC: SCCS (Scientific Committee on Consumer Safety), Opinion on Disperse Violet 1, 22 June 2010] Black powder; [Alfa Aesar MSDS]
Functions
Hair Dyeing
Improves Elasticity
Antimicrobial
Colors hair
Traditional Use
A synthetic organic colorant developed for modern cosmetics and textiles in the 20th century. Created to produce purple and violet hues in hair dyes and makeup, with no traditional historical use.
EWG
4
CIR
Safe as used
Pregnancy
No
CIR Safety Findings
medical-approval
all-shades-safe
Concentration Guide
0.5%
0%1%
Reg. Limit
EU regulatory limit: 0.5%. Source: EU Cosmetics Regulation (EC) 1223/2009, Annex III (Restricted Substances), Entry 265.
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
No
The paper trail
🔬Peer-reviewed1 paper
⚖️Regulatory1 listing
🛡️Safety-assessed2 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR