2,5-Dimethyl-3-furanthiol

  • 2,5-Dimethyl-3-mercaptofuran
  • 3-Mercapto-2,5-dimethylfuran
Formula
C6H8OS
Structure
Description
Amber liquid. Sulforous odor.

Registry Numbers and Inventories.
CAS
55764-23-3
EC (EINECS/ELINCS)
259-800-5
RTECS
LU6230000
RTECS class
Other
Beilstein/Gmelin
NA
Canada DSL/NDSL
DSL
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
C6H8OS
Formula mass
128.18
Boiling point, °C
175-177
Density
1.05 g/cm3
Solubility in water
Slightly soluble
pKa/pKb
6.43 (pKa)

Hazards and Protection.
Storage
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.
Handling
Use spark-proof tools and explosion proof equipment. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Remove all sources of ignition. Use a spark-proof tool.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong acids.
Decomposition
Carbon monoxide, oxides of sulfur, carbon dioxide.

Fire.
Flash Point,°C
54
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use foam, dry chemical, or carbon dioxide.

Health.
Exposure effects
   Ingestion
Poison by ingestion. Causes gastrointestinal tract irritation.
   Inhalation
Causes respiratory tract irritation. Toxic if inhaled.
   Skin
Causes skin irritation. Toxic in contact with skin.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
Get medical aid immediately. Wash mouth out with water.
   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 immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   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.