2,3-Naphthalenediol

2,3-Naphthalenediol 1
molecular structure · PubChem CID 7091
AKA: 3-Dihydroxynaphthalene, Naphthalene-2, 3-diol, 92-44-4, CHEBI:38135
Synthetic
Not Clean
OriginDerived from naphthalene, a polycyclic aromatic hydrocarbon found in coal tar and petroleum sources. Synthesized through hydroxylation of naphthalene using oxidation reactions to add hydroxyl groups at specific positions.
The CIR Expert Panel concludes that the available data are insufficient to support the safety of 2,3-Naphthalenediol as used in cosmetics.
Formula
C10H8O2
Mol. Weight
160.17
CAS #
92-44-4
Form
Powder
State
White powder; [Alfa Aesar MSDS]
Skin Types
●all-skin-types
Best For
Sun Damage
Functions
Hair Dyeing
Locks In Moisture
Colors Hair
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
—
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 157)
Eye Irritant in Testing
1 study / 1 irritating / reactions slight (CIR 157)
Sensitizer in Testing
1 study / 1 sensitizing (CIR 157)
Regulatory Status
USA✔ permitted
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR