AKA: 2475-45-8, Acetate Blue G, C.I. Disperse Blue 1, Acetoquinone Blue L, Celliton Blue G, Perliton Blue B, Fenacet Blue G, Nacelan Blue G, 4, 5, 8-tetraaminoanthracene-9, 10-dione
Synthetic
Not Clean
9,10-Anthracenedione, 1,4,5,8-tetraamino-
Solubility less than 0.1 mg/mL at 64 °F (NTP, 1992)
Formula
C14H12N4O2
Mol. Weight
268.27
CAS #
2475-45-8
Form
Powder
State
C.i. disperse blue 1 is a blue-black microcrystalline powder. (NTP, 1992)
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
No
Functions
Hair Dyeing
Improves Elasticity
Antimicrobial
Colors hair
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
No
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating / plus 1 case report (CIR 18)
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