Dithiosalicylic acid

  • Benzenecarbodithioic acid, 2-hydroxy
  • 2,2’-Dithiodibenzoic acid
  • 2-Hydroxydithiobenzoic acid
Formula
C7H6OS2
Structure
Description
Beige crystalline solid.

Registry Numbers and Inventories.
CAS
527-89-9
EC (EINECS/ELINCS)
208-428-1
Merck
12,3440
Austrailia AICS
Listed

Properties.
Formula
C7H6OS2
Formula mass
170.26
Melting point, °C
49
Boiling point, °C
287
Vapor pressure, mmHg
0.0027 (25 C)
Density
1.364 g/cm3 (20 C)
Solubility in water
Very soluble
pKa/pKb
1.55 (pKa)
Partition coefficient, pKow
2.98
Heat of vaporization
53.7 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry location in a tightly sealed container.
Protection
Approved chemical workers goggles, impervious gloves and protective clothing.
Small spills/leaks
Sweep up and place in an approved container.
Incompatibilities
Strong oxidizing agents.
Decomposition
Liberates toxic fumes upon decomposition.

Fire.
Flash Point,°C
121
Fire fighting
Extinguish with carbon dioxide, dry chemical powder or water spray. Use NIOSH/MSHA approved SCBA and full protective equipment.

Health.
Exposure effects
Irritant. Can be harmful if swallowed, inhaled or absorbed through the skin.

First aid
 
   Ingestion
Seek immediate medical assistance.
   Inhalation
Remove to fresh air. Seek medical assistance.
   Skin
Flush area with water. Seek medical assistance.
   Eyes
Flush with water for 15 - 20 minutes. Seek medical assistance.

Transport.