2,3-Naphthalenediol
AKA “2, 3-Dihydroxynaphthalene, Naphthalene-2, 3-diol, 92-44-4, DTXSID2043903, NSC-8707, O9U131030Z, DTXCID0023903, CHEBI:38135, RefChem:81773”
Ingredient
Ingredient Facts
2,3-Naphthalenediol
AKA: 3-Dihydroxynaphthalene, Naphthalene-2, 3-diol, 92-44-4, DTXSID2043903, NSC-8707, O9U131030Z, DTXCID0023903, CHEBI:38135, RefChem:81773
Ingredient · Hair Dyeing · EWG: 4
Synthetic
Not Clean
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]
See origin →
Functions
Hair Dyeing
Locks In Moisture
Colors Hair
Traditional Use
A synthetic compound developed for cosmetic use in the 20th century. It was created as a skin conditioning agent and has been used in hair dyes and pigmentation formulations.
Skin Types
●all-skin-types
Best For
Sun Damage
Addendum to the Final Report on the Safety Assessment of 2-Bromo-2-Nitropropane-1,3-Diol (JEPT 4(4) 47-61 1980)
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report of the Safety Assessment for 2-Bromo-2-Nitropropane-1,3-Diol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of 2,3-Naphthalenediol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Revised Tentative Report: Amended Safety Assessment of 2-Bromo-2-Nitropropane-1,3-Diol as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
2-Bromo-2-Nitropropane-1,3-Diol
European Commission
EU Cosmetic Ingredient Database (CosIng)
2-Bromo-2-Nitropropane-1,3-Diol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
2-Bromo-2-nitropropane-1,3-diol
Health Canada
Health Canada Cosmetic Ingredient Hotlist
Kitty Litter Dermatitis from-Bromo-2-Nitropropane-1,3-Diol.
Sullenbarger JW, Hensley B, Travers JB
Skinmed, 2017
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR