Tetrahydro-2H-pyran-4-ol

  • Tetrahydro-4-pyranol
  • 4-Hydroxytetrahydropyran
Formula
C5H10O2
Structure

Registry Numbers and Inventories.
CAS
2081-44-9
EC (EINECS/ELINCS)
218-210-8
UN (DOT)
1993
Beilstein/Gmelin
102736
Beilstein Reference
5-17-03-00111

Properties.
Formula
C5H10O2
Formula mass
102.13
Boiling point, °C
183
Vapor pressure, mmHg
0.23 (25 C)
Density
1.0649 g/cm3 (20 C)
Solubility in water
Very soluble
Refractive index
1.4600 (20<sup>o</sup>C)
Heat of vaporization
48.8 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Keep away from heat and open flame. Store in a cool dry place.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
Small spills/leaks
Cover with dry lime or soda ash, pick up, keep in a closed container, and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.
Incompatibilities
Strong oxidizing agents, Acid chlorides, Acid anhydrides.
Decomposition
Carbon monoxide, Carbon dioxide.

Fire.
Flash Point,°C
88
Fire fighting
Extinguish using Carbon dioxide, dry chemical powder, or appropriate foam. Water spray. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Fire potential
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
Hazards
Emits toxic fumes under fire conditions.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
   Inhalation
Vapors may cause dizziness or suffocation. May cause irritation or burns.
   Skin
May cause irritation or burns.
   Eyes
See Skin.

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.
   Eyes
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Transport.
UN number
1993
Response guide