Product Identification

Product Name

Benzeneboronic acid

Synonyms

Borophenylic acid
Dihydroxyphenylborane
Phenylboric acid
Phenyldihydroxyborane

CAS

98-80-6

Formula

C6H7BO2

Molecular Weight

121.93

EINECS

202-701-9

RTECS

CY8575000

RTECS Class

Organometallic

Merck

13,1068

Beilstein/Gmelin

970972

Beilstein Reference

4-16-00-01654

EC Class

harmful

Physical and Chemical Properties

Appearance

White to off-white solid.

Solubility in water

Slightly soluble

Melting Point

217 - 220

pKa/pKb

8.63 (pKa)

Usage

Organic synthesis.

First Aid Measures

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.

Handling and Storage

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.

Hazards Identification

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.

EC Risk Phrase

R 22 36/37/38

EC Safety Phrase

S 26 36/37/39

Exposure Controls/Personal Protection

Personal 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.

Fire Fighting Measures

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.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Disposal Code

3

Stability

No data.

Incompatibilities

Strong oxidizing agents, moisture.

Decomposition

Carbon monoxide, carbon dioxide, oxides of boron.

Transport Information

HS Code

2931 00 95