Product Identification

Product Name

2,5-Dichlorobenzoic acid

CAS

50-79-3

Formula

2,5-(Cl)2C6H3COOH

Formula

C7H4Cl2O2

Molecular Weight

191.01

EINECS

200-065-7

RTECS

DG6825000

RTECS Class

Drug; Mutagen

Beilstein/Gmelin

973353

Beilstein Reference

4-09-00-01005

EC Class

irritant

Physical and Chemical Properties

Appearance

White to yellow powder.

Solubility in water

Very soluble

Melting Point

151 - 154

Boiling Point

301

Vapor Pressure

0.0005 (25 C)

pKa/pKb

2.51 (pKa)

Partition Coefficient

2.82

Heat Of Vaporization

57.1 kJ/mol

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.

Inhalation

Remove from exposure 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 soap and 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.

Handling and Storage

Storage

Store in a cool, dry place. Keep container closed when not in use.

Handling

Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Ingestion

The toxicological properties of this substance have not been fully investigated.

Inhalation

The toxicological properties of this substance have not been fully investigated.

Skin

No information regarding skin irritation and other potential effects was found.

Eyes

No information regarding eye irritation and other potential effects was found.

EC Risk Phrase

R 36/37/38

EC Safety Phrase

S 26 36

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. 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.

Fire Fighting Measures

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 fog, dry chemical, carbon dioxide, or regular foam.

Fire Potential

This material is probably combustible.

Accidental Release Measures

Small spills/leaks

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.

Stability and Reactivity

Disposal Code

4

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Hydrogen chloride, carbon monoxide, carbon dioxide.

Transport Information

HS Code

2916 39 00