Product Identification

Product Name

2-Pyridinecarboxylic acid

Synonyms

2-Carboxypyridine
2-Pyridinecarboxylic acid
2-Pyridylcarboxylic acid
a-Pyridinecarboxylic acid
o-Pyridinecarboxylic acid
Pyridine-2-carboxylic acid

CAS

98-98-6

Formula

C6H5NO2

Molecular Weight

123.11

EINECS

202-719-7

RTECS

TJ7344000

RTECS Class

Other

Merck

12,7557

Beilstein/Gmelin

109595

Beilstein Reference

5-22-02-00003

EC Class

irritant

Physical and Chemical Properties

Appearance

White solid.

Solubility in water

Very soluble

Melting Point

134 - 137

Boiling Point

293

Vapor Pressure

0.001 (25 C)

Density

1.49 g/cm3

pKa/pKb

0.92 (pKa)

Partition Coefficient

.81

Heat Of Vaporization

56.2 kJ/mol

Heat Of Combustion

-2738 kJ/mol

Usage

Natural chelator of the vital trace elements chromium, zinc, manganese, copper, iron, and molybdenum.

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.

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

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

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. Keep container closed when not in use.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. 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 22 36/37/38

EC Safety Phrase

S 26 36/37/39

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 and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.

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

Flash Point

131

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal.

Stability and Reactivity

Disposal Code

4

Incompatibilities

Acids, bases, oxidizing agents, reducing agents.

Stability

Stable under normal temperatures and pressures.

Decomposition

Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen.

Transport Information

HS Code

2933 39 99