p-Tolylacetonitrile

  • 4-Methylbenzyl cyanide
  • p-Methylbenzyl cyanide
  • 4-Methylbenzeneacetonitrile
  • 4-Methylphenylacetonitrile
  • (p-Methylphenyl)acetonitrile
Formula
4-(CH3)C6H4CH2CN
Structure
Description
Colorless - light yellow liquid.

Registry Numbers and Inventories.
CAS
2947-61-7
EC (EINECS/ELINCS)
220-963-2
EC Class
irritant
R 20/21/22 36
S 26 36/37/39
UN (DOT)
2810
Beilstein/Gmelin
1099645
Beilstein Reference
4-09-00-01796
New Zealand
Listed

Properties.
Formula
C9H9N
Formula mass
131.18
Melting point, °C
18
Boiling point, °C
243
Vapor pressure, mmHg
0.03
Density
0.9922 g/cm3 (22 C)
Solubility in water
Slightly soluble
Refractive index
1.5190 (20 C)
Partition coefficient, pKow
1.91
Heat of vaporization
48.0 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 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
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Disposal code
6
Stability
No data.
Incompatibilities
Strong oxidizing agents, strong reducing agents, strong acids, strong bases.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
106
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.
Fire potential
Combustible material: may burn but does not ignite readily.
Hazards
When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
   Ingestion
Harmful if swallowed.
   Inhalation
Harmful if inhaled.
   Skin
May cause skin irritation. Harmful if absorbed through the skin.
   Eyes
Lachrymator.

First aid
 
   Ingestion
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.
   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.

Transport.
UN number
2810
Response guide
Hazard class
6.1
Packing Group
I; II; III
 
HS Code
2926 90 95