1,3,2-Dioxathiolane 2,2-dioxide

  • Ethylene glycol, cyclic sulfate
  • 1,2-Ethylene sulfate
Formula
C2H4O4S
Structure

Registry Numbers and Inventories.
CAS
1072-53-3
RTECS
JH4800000
Beilstein/Gmelin
1237731
Beilstein Reference
3-01-00-02110

Properties.
Formula
C2H4O4S
Formula mass
124.12
Melting point, °C
99
Boiling point, °C
231
Vapor pressure, mmHg
0.1 (25 C)
Density
1.60 g/cm3 (20 C)
Solubility in water
51 g/L (25 C)
Partition coefficient, pKow
-0.14
Heat of vaporization
44.87 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place. Store at 2-8 C.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Respirators
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Respiratory protection is not required. Where protection is desired, use multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Oxides of carbon and sulfur.

Fire.
Flash Point,°C
93
Fire fighting
Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.
Health
0
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
May be harmful by inhalation, ingestion, or skin absorption.
   Inhalation
Material may be irritating to mucous membranes and upper respiratory tract.
   Skin
May cause irritation.
   Eyes
May cause irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.