1H-Indole-3-propionic acid

  • Indolepropionic acid
  • beta-Indolepropionic acid
  • 3-(3-Indolyl)propanoic acid
  • 3-(1H-Indol-3-yl)propanoic acid
  • 3-(2-Carboxyethyl)-1H-indole
  • IPA
Formula
C11H11NO2
Structure
Description
Light brown powder.
Uses
herbicide

Registry Numbers and Inventories.
CAS
830-96-6
EC (EINECS/ELINCS)
212-600-1
R 36/37/38
RTECS
NM1329000
RTECS class
Other
Beilstein/Gmelin
147733
Beilstein Reference
5-22-03-00114
Canada DSL/NDSL
NDSL
US TSCA
Listed
New Zealand
Listed

Properties.
Formula
C11H11NO2
Formula mass
189.22
Melting point, °C
129 - 132
Density
1.356 g/cm3
Solubility in water
Very soluble
pKa/pKb
4.77 (pKa)
Partition coefficient, pKow
1.49

Hazards and Protection.
Storage
Keep container closed when not in use. Store in a tightly closed container. Refrigerator (approx 4 C). Store protected from light.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Store protected from light.
Protection
Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Small spills/leaks
Wash area with soap and water. Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Disposal code
4
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Fire.
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 spray, dry chemical, carbon dioxide, or appropriate foam.
Health
0
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
   Ingestion
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
   Inhalation
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or 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. Wash clothing before reuse.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
HS Code
2933 99 90