6,6'-Dithiodi-2-naphthol

  • 2-Naphthalenol, 6,6'-dithiobis-
  • 2-Naphthol, 6,6'-dithiodi-
  • 2,2'-Dihydroxy-6,6'-dinaphthyl disulfide
  • (6,6'-Dihydroxy-2,2'-dinaphthyl)disulfide
Formula
C20H14O2S2
Structure
Uses
For determination of protein-bound sulfhydryl groups.

Registry Numbers and Inventories.
CAS
6088-51-3
EC (EINECS/ELINCS)
228-025-4
R 36/37/38
Merck
12,2897
Beilstein/Gmelin
3398968
Beilstein Reference
4-06-00-06567
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C20H14O2S2
Formula mass
350.46
Melting point, °C
221
Boiling point, °C
598
Vapor pressure, mmHg
7.2E-15 (25 C)
Critical temperature
787
Critical pressure
34.8
Density
1.46 g/cm3
Solubility in water
Insoluble
pKa/pKb
8.93 (pKa)
Partition coefficient, pKow
5.40
Heat of vaporization
92.27 kJ/mol

Hazards and Protection.
Storage
Store at 0 C.
Protection
Gloves, goggles and lab coat.

Fire.
Flash Point,°C
289
Fire fighting
Carbon dioxide, dry chemical powder or appropriate foam. Water spray. Wear self-contained breathing apparatus and protective clothing to prevent contact with the skin and eyes.
Combustion products
Emits toxic fumes under fire conditions.

Health.
Exposure effects

First aid
 
   Ingestion
If swallowed, wash out mouth with water, provided person is concious. Seek medical advice.
   Inhalation
Remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen. Seek medical attention.
   Skin
Immediately wash skin with soap and copious amounts of water for at least 15 minutes. If irritation persists, seek medical attention.
   Eyes
Immediately flush eyes with copious amounts of water for at least 15 minutes. Seek medical advice.

Transport.