1,8-Naphthalenediol
Synonym(s):1,8-Naphthalenediol
- CAS NO.:569-42-6
- Empirical Formula: C10H8O2
- Molecular Weight: 160.17
- MDL number: MFCD00042701
- EINECS: 209-316-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02

What is 1,8-Naphthalenediol?
Chemical properties
1,8-Naphthalenediol [569-42-6], mp 144℃, is produced by caustic fusion of naphthosultone or naphthosultam, and by acid desulfonation of 1,8-dihydroxynaphthalene-4-sulfonic acid. It is oxidized to juglone by chromium(VI) oxide; gives a dark green color with iron(III) chloride; undergoes amination at 300℃ to give 1,8-naphthalenediamine; and couples with diazotized anilines in the 4- position.
The Uses of 1,8-Naphthalenediol
1,8-Dihydroxynaphthalene (DHN) can be used as:
- An intermediate in the preparation of benzo analogs of spiromamakone A.
- A starting material to synthesize naphthopyran derivatives.
- An intermediate in the total synthesis of palmarumycin CP17 analogs.
Definition
ChEBI: Naphthalene-1,8-diol is a member of the class of naphthalenediols that is naphthalene in which the hydrogens at positions 1 and 8 are replaced by hydroxy groups. It has a role as a fungal metabolite.
Properties of 1,8-Naphthalenediol
Melting point: | 137-143 °C |
Boiling point: | 140 °C(Press: 10 Torr) |
Density | 1.33 |
storage temp. | 2-8°C |
pka | 6.36±0.10(Predicted) |
BRN | 2044947 |
CAS DataBase Reference | 569-42-6(CAS DataBase Reference) |
Safety information for 1,8-Naphthalenediol
Signal word | Danger |
Pictogram(s) |
![]() Corrosion Corrosives GHS05 |
GHS Hazard Statements |
H318:Serious eye damage/eye irritation |
Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,8-Naphthalenediol
New Products
3-Iodophenylacetic acid 3-Pyridineacetonitrile, α-hydroxy- 2-Propanamine, 1-chloro-, hydrochloride (9CI) 3-(hexyloxy)-4-(pyridin-3-yl)-1,2,5-thiadiazole 2-Hexyn-1-ol Dibenzo-18-crown-6 Nickel(II) perchlorate hexahydrate, 98% 4-Bromophenylacetonitrile, 95% 3-Bromo-4-fluoroaniline, 97% Sodium tetraborate decahydrate, 98% Palladium(II) acetate, trimer, Pd 99% 4-Bromo-2-chlorotoluene, 97% N N Dimethylformamide Dimethyl Acetal (Dmf Dma) 2,3-Dichloro Benzoyl Cyanide [Side Chain] Bis(2-Chloroethyl) Amine Hydrochloride L-Glutamic Acid Diethyl Ester Hydrochloride 5-(Difluoromethoxy)-2-Mercaptobenzimidazole 1-Ethyl-3-(3-Dimethylaminopropyl)-Carbodiimide Hydrochloride [EDC Hcl] 1,4-Napthoquinone Bromoiodomethane Sodium Bicarbonate Methylene Dichloride (MDC) Ethyl Acetate Indole-3-Carbinol (I3C)Related products of tetrahydrofuran








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