3-Amino-2-naphthoic acid

  • 3-Aminoisonaphthoic acid
  • 3-Amino-2-naphthalenecarboxylic acid
Formula
C11H9NO2
Structure
Description
Yellow - green powder.
Uses
Substance is used in the determination of copper, nickel, cobalt.

Registry Numbers and Inventories.
CAS
5959-52-4
EC (EINECS/ELINCS)
227-726-2
S 22 36/37
RTECS
QL1400000
RTECS class
Other
Merck
13,451
Beilstein/Gmelin
744099
Beilstein Reference
3-14-00-01341
Swiss Giftliste 1
G-3294
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C11H9NO2
Formula mass
187.2
Melting point, °C
216 - 217
Boiling point, °C
383
Critical temperature
610
Critical pressure
39.4
Solubility in water
Soluble
pKa/pKb
5.02 (pKa)
Partition coefficient, pKow
1.79

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
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.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Neutralize spill with sodium bicarbonate.
Stability
Stable under normal temperatures and pressures.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
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.

Health.
Poison_Class
4
Exposure effects
   Ingestion
Harmful if swallowed. May cause irritation of the digestive tract.
   Inhalation
May cause respiratory tract irritation. May be harmful if inhaled.
   Skin
May cause skin irritation. May be harmful if absorbed through the skin.
   Eyes
May cause eye irritation.

First aid
 
   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.
   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.

Transport.