2-(1,3,4-Oxadiazol-2-yl)phenol

  • Fenadiazole
  • 2-(o-Hydroxyphenyl)-1,3,4-oxadiazole
  • Hypnazol
  • 1,3,4-Oxadiazole, 2-(o-hydroxyphenyl)
Formula
C8H6N2O2
Structure

Registry Numbers and Inventories.
CAS
1008-65-7
R: 36/37/38
S: 26 37/39
RTECS
SM5850000
Merck
12,3994
Beilstein/Gmelin
136925
Beilstein Reference
4-27-00-07344

Properties.
Formula
C8H6N2O2
Formula mass
162.15
Melting point, °C
108 - 110
Boiling point, °C
310
Vapor pressure, mmHg
3.4E-4 (25 C)
Density
1.324 g/cm3 (20 C)
Solubility in water
Slightly soluble
pKa/pKb
7.84 (pKa)
Partition coefficient, pKow
1.58
Heat of vaporization
57.3 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Protection
Wear appropriate protective gloves and clothing to prevent skin exposure. Safety goggles.
Respirators
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
141
Fire fighting
Use water spray, dry chemical, carbon dioxide, or chemical foam. As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.

Health.
Exposure effects
   Ingestion
May cause irritation of the digestive tract. May be harmful if swallowed.
   Inhalation
Causes respiratory tract irritation. May be harmful if inhaled.
   Skin
Causes irritation. May be harmful if absorbed through the skin.
   Eyes
Causes irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure and move 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 water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.