N,4-Dimethylaniline

  • p-Methyl-N-methylaniline
  • N-Methyl-p-tolylamine
  • N-Methyl-p-toluidine
  • N,4-Dimethylbenzenamine
  • 4-(Methylamino)toluene
Formula
C8H11N
Structure
Description
Yellow to brown liquid.

Registry Numbers and Inventories.
CAS
623-08-5
EC (EINECS/ELINCS)
210-769-6
EC Index Number
612-055-00-3
EC Class
Toxic; Danger of cumulative effects; Dangerous for the Environment
UN (DOT)
2810
Beilstein/Gmelin
2205180
Beilstein Reference
4-12-00-01874
Canada DSL/NDSL
DSL
US TSCA
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C8H11N
Formula mass
121.18
Boiling point, °C
89
Density
0.9625 g/cm3 (20 C)
Solubility in water
Slightly soluble
Viscosity
1.22 cp (55 C)
Refractive index
1.5563 (16 C)
pKa/pKb
8.74 (pKb)

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
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.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
85
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use water spray, dry chemical, or carbon dioxide.
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
Poison by ingestion.
   Inhalation
Toxic if inhaled.
   Skin
Toxic in contact with skin.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Get medical aid immediately. 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.
UN number
2810
Response guide
Hazard class
6.1
Packing Group
I; II; III