Benzeneboronic acid

  • Phenylboric acid
  • Borophenylic acid
  • Dihydroxyphenylborane
  • Phenyldihydroxyborane
Formula
C6H5B(OH)2
Structure
Description
White to off-white solid.

Registry Numbers and Inventories.
CAS
98-80-6
EC (EINECS/ELINCS)
202-701-9
EC Class
harmful
R 22 36/37/38
S 26 36/37/39
RTECS
CY8575000
RTECS class
Organometallic
Merck
13,1068
Beilstein/Gmelin
970972
Beilstein Reference
4-16-00-01654
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
C6H7BO2
Formula mass
121.93
Melting point, °C
217 - 220
Solubility in water
Slightly soluble
pKa/pKb
8.63 (pKa)

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 eyes, skin, and clothing.
Protection
Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Disposal code
3
Stability
No data.
Incompatibilities
Strong oxidizing agents, moisture.
Decomposition
Carbon monoxide, carbon dioxide, oxides of boron.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Can burn in a fire, releasing toxic vapors. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Health.
Exposure effects
   Ingestion
Harmful if swallowed. May cause irritation of the digestive tract.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Get medical aid. 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 if cough or other symptoms appear.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
HS Code
2931 00 95