2,3-Dihydro-4H-1-benzothiopyran-4-one

  • 1-Thiochroman-4-one
  • Thiochromanone
  • 2,3-Dihydro-4-benzothiopyranone
Formula
C9H8OS
Structure
Description
Colorless - brown solid

Registry Numbers and Inventories.
CAS
3528-17-4
EC (EINECS/ELINCS)
222-548-1
Beilstein/Gmelin
124653
Beilstein Reference
5-17-10-00016

Properties.
Formula
C9H8OS
Formula mass
164.23
Melting point, °C
29.51
Boiling point, °C
110 - 115 (0.2 torr)
Density
1.2487 g/cm3 (14 C)
Solubility in water
Insoluble
Refractive index
1.6349 (13.7 C)

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Small spills/leaks
Sweep up, then place into a suitable container for disposal.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, oxides of sulfur, carbon dioxide.

Fire.
Flash Point,°C
>112
Fire fighting
Wear approved SCBA in full pressure-demand and full protective gear. Extinguish fire using water, dry chemical, chemical foam, or alcohol-resistant foam.

Health.
Exposure effects
   Ingestion
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
   Inhalation
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.
   Inhalation
Remove from exposure to fresh air immediately.
   Skin
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 lids.

Transport.