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HomeProduct name list1,8-Naphthalenediol

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: 2023-10-31 16:45:19
1,8-Naphthalenediol Structural

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)
ghs
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

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