7-Methyl-1H-indole

  • 7-Methylindole0.82 b
Formula
C9H9N
Structure
Description
White to almost white flakes. With a stench.

Registry Numbers and Inventories.
CAS
933-67-5
EC (EINECS/ELINCS)
213-270-1
S 22 24/25
Beilstein/Gmelin
111088
Beilstein Reference
5-20-07-00081

Properties.
Formula
C9H9N
Formula mass
131.17
Melting point, °C
83
Boiling point, °C
266
Vapor pressure, mmHg
0.015 (25 C)
Density
1.0202 g/cm3 (99.6 C)
Solubility in water
Insoluble
Refractive index
1.576 (99.6 C)
pKa/pKb
13.18 (pKb)
Partition coefficient, pKow
2.56
Heat of vaporization
48.4 kJ/mol

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. Use only in a chemical fume hood.
Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
Respirators
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Stability
No data.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
111
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.
Exposure effects
   Ingestion
The toxicological properties of this substance have not been fully investigated. May cause headache. May cause nausea and vomiting.
   Inhalation
May cause respiratory tract irritation. May cause effects similar to those described for ingestion.
   Skin
May cause skin irritation.
   Eyes
May cause eye 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 eyelids.

Transport.