Product Identification

Product Name

2,3-Dichlorophenol

Synonyms

2,6-Dichloro-1-hydroxybenzene
Phenol, 2,3-dichloro-

CAS

576-24-9

Formula

C6H4Cl2O

Molecular Weight

163.01

EINECS

209-399-8

RTECS

SK8450000

RTECS Class

Other

Beilstein/Gmelin

2043615

Beilstein Reference

4-06-00-00883

EC Class

irritant

Physical and Chemical Properties

Appearance

Brown crystals (from ligroin, benzene).

Solubility in water

Slightly soluble

Melting Point

57 - 58

Boiling Point

206

Vapor Pressure

0.17 (25 C)

pKa/pKb

7.53 (pKa)

Partition Coefficient

2.84

Heat Of Vaporization

46.0 kJ/mol

Heat Of Combustion

-2757 kJ/mol

Usage

Research chemical.

Odor threshold

0 ug/L in water

First Aid Measures

Ingestion

Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.

Inhalation

Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Skin

Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container.

Handling

Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.

Hazards Identification

Inhalation

Causes chemical burns to the respiratory tract.

Skin

Causes skin burns.

Eyes

Causes eye burns.

Ingestion

Harmful if swallowed. Causes gastrointestinal tract burns.

Hazards

When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.

EC Risk Phrase

R 21 36/37/38

EC Safety Phrase

S 24 26 36/37/39

UN (DOT)

2020

Exposure Controls/Personal Protection

Personal Protection

Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Exposure Effects

Prolonged exposure can cause damage to the eyes, severe irritation or burns.

Fire Fighting Measures

Flash Point

102

Autoignition

>450

Fire Fighting

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

Fire Potential

This material is probably combustible.

Accidental Release Measures

Small spills/leaks

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

Stability and Reactivity

Disposal Code

3

Incompatibilities

Oxidizing agents, acid chlorides, acid anhydrides, aluminum.

Stability

Stable under normal temperatures and pressures.

Decomposition

Hydrogen chloride, carbon monoxide, carbon dioxide.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

2020

Hazard Class

6.1

Packing Group

III

HS Code

2908 10 00