White, crystalline solide with a napthalene-like odor.
Production of pharmaceuticals, thioindigo.
Registry Numbers and Inventories.
S 22 36/37
Melting point, °C
28 - 32
Boiling point, °C
Vapor pressure, mmHg
0.2 (25 C)
1.1932 g/cm3 (10 C)
Solubility in water
2.52 cp (35 C)
42.6 g/s2 (35 C)
1.6374 (37 C)
Partition coefficient, pKow
Heat of fusion
Heat of vaporization
Hazards and Protection.
Store in a cool, dry place. Store in a tightly closed container.
Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing.
Eyes: Wear chemical goggles. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear a chemical apron.
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Vacuum or sweep up material and place into a suitable disposal container.
Strong oxidizing agents.
Carbon monoxide, oxides of sulfur, carbon dioxide.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Chronic exposure may cause blood effects.
Harmful if swallowed. Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
May cause respiratory tract irritation.
May cause skin irritation.
May cause eye irritation.
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.
Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
2934 99 90