N-Phenyl-N,N-diethanolamine

  • Phenyldiethanolamine
  • [Bis(2-hydroxyethyl)amino]benzene
  • N,N-Bis(b-hydroxyethyl)aniline
  • Diethanolaniline
  • 3-Phenyl-3-azapentane-1,5-diol
  • 2,2'-(Phenylimino)bis(ethanol)
Formula
C6H5N(CH2CH2OH)2
Structure
Description
White powder also reported as colorless liquid.
Uses
Organic synthesis; dyestuff; laboratory reagent.

Registry Numbers and Inventories.
CAS
120-07-0
EC (EINECS/ELINCS)
204-368-5
EC Class
harmful, irritant, dangerous for the environment
R 22 41
S 26 36/37/39
RTECS
KM2100000
RTECS class
Primary Irritant
Beilstein/Gmelin
2096832
Swiss Giftliste 1
G-4258
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C10H15NO2
Formula mass
181.24
Melting point, °C
56 - 59
Boiling point, °C
348
Vapor pressure, mmHg
2E-5 (25 C)
Saturation Concentration
Less than 13 ppm (0.001%) at 20 C (calculated)
Density
1.201 g/cm3 (60C)
Solubility in water
Slightly soluble
pKa/pKb
7.31 (pKb)

Hazards and Protection.
Storage
Store in a cool, dry place. Keep container closed when not in use.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Small spills/leaks
Clean up spills immediately, while using/wearing the proper protective equipment. Sweep up, then place into a suitable container for disposal.
Disposal code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Oxidizing agents, acids, acid chlorides, acid anhydrides.
Decomposition
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen.

Fire.
Flash Point,°C
200
Autoignition, °C
380
Lower exp. limit, %
0.70
Fire fighting
Wear approved SCBA in full pressure-demand and full protective gear. Extinguish fire using water, dry chemical, chemical foam, or alcohol-resistant foam.
Health
1
 
Flammability
1
 
 
Reactivity
0
 

Health.
Poison_Class
4
Exposure effects
Harmful if swallowed. Irritating to eyes. The toxicological properties of this material have not been investigated. Use appropriate procedures to prevent opportunities for direct contact with the skin or eyes and to prevent inhalation.

First aid
 
   Ingestion
Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.
   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
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids.

Transport.
HS Code
2922 19 80