3-Aminobenzoic acid

  • 3-Carboxyaniline
  • MABA
  • m-Carboxyphenylamine
  • Aniline-3-carboxylic acid
Formula
3-(NH2)C6H4COOH
Structure
Description
Beige powder.

Registry Numbers and Inventories.
CAS
99-05-8
EC (EINECS/ELINCS)
202-724-4
R 36/37/38
RTECS
DG1225000
RTECS class
Other
Merck
13,420
Beilstein/Gmelin
471603
Beilstein Reference
4-14-00-01092
Swiss Giftliste 1
G-3298
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C7H7NO2
Formula mass
137.14
Melting point, °C
174
Boiling point, °C
308
Critical temperature
538
Critical pressure
48.4
Density
1.5105 g/cm3
Solubility in water
5.9 g/L
pKa/pKb
3.11 (pKa)
Partition coefficient, pKow
0.79

Hazards and Protection.
Storage
Store in a cool, dry place. Do not store in direct sunlight. Store in a tightly closed container. Keep under a nitrogen blanket.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear appropriate safety goggles, protective clothing and gloves.
Respirators
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Small spills/leaks
Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.
Disposal code
4
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Avoid contact with strong oxidizing agents, strong acids, strong bases.

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

Health.
Poison_Class
3
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Inhalation
Causes irritation.
   Skin
Causes irritation.
   Eyes
Causes irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately.
   Skin
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 lids.

Transport.
HS Code
2922 49 95