Disulfiram

  • bis(Diethylthiocarbamoyl) disulfide
  • Tetraethylthiuram disulfide
  • Tetraethylthioperoxydicarbonic diamide
Formula C10H20N2S4
Structure
Description White or light gray, crystalline, slight odor.
Uses alcohol aversive drug

Registry Numbers and Inventories.
CAS 97-77-8
EC (EINECS/ELINCS) 202-607-8
EC Index Number 006-079-00-8
EC Class Harmful; Sensitising; Dangerous for the Environment
EC Risk Phrase R 22 48/22 43 50/53
EC Safety Phrase S 24 37 60 61
RTECS JO1225000
RTECS class Agricultural Chemical and Pesticide; Tumorigen; Drug; Mutagen; Reproductive Effector; Human Data; Primary Irritant
UN (DOT) 3077
Merck 13,3399
Beilstein/Gmelin 1712560
Beilstein Reference 4-04-00-00398
RCRA U403
Swiss Giftliste 1 G-1595
Canada DSL/NDSL DSL
US TSCA Listed
Austrailia AICS Listed
New Zealand Listed
Japan ENCS (MITI) Listed
Korea ECL Listed

Properties.
Formula C10H20N2S4
Formula mass 296.54
Melting point, °C 70
Boiling point, °C 369
Vapor pressure, mmHg 1E-5 (25 C)
Density 1.34 g/cm3
Solubility in water 200 mg/L
Refractive index 1.6126 (84 C)
pKa/pKb 13.14 (pKb)
Partition coefficient, pKow 3.88
Heat of vaporization 61.6 kJ/mol

Hazards and Protection.
Storage Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
Handling Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation.
Protection Eyes: Wear safety glasses and chemical goggles if splashing is possible. Skin: Wear appropriate protective gloves and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
Small spills/leaks Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability Stable under normal temperatures and pressures.
Incompatibilities Strong oxidizing agents.
Decomposition Carbon monoxide, oxides of nitrogen, oxides of sulfur, irritating and toxic fumes and gases, carbon dioxide.

Fire.
Flash Point,°C 177
Fire fighting Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
Fire potential This material is probably combustible.

Health.
Exposure limit(s) NIOSH REL: TWA 2 mg/m3
Poison_Class 3
Exposure effects Increased respirations, elevated blood pressure, rapid heart rate and fever may occur. Abnormally low blood pressure may occur with severe overdose. Seizures and coma can be seen with overdose or ethanol interaction.
   Ingestion Harmful if swallowed. May cause irritation of the digestive tract.
   Inhalation May cause respiratory tract irritation.
   Skin May cause skin irritation.
   Eyes May cause eye irritation.

First aid
 
   Ingestion If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
   Inhalation Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
   Eyes Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
UN number 3077
Response guide 171
HS Code 2930 30 00