N,N,N',N'-Tetraethylmethanediamine

  • Bis(diethylamino)methane
  • N,N,N',N'-Tetraethylmethylenediamine
  • Tetraethylmethylenediamine
Formula
C9H22N2
Structure
Description
Clear liquid.

Registry Numbers and Inventories.
CAS
102-53-4
EC (EINECS/ELINCS)
203-038-8
R: 10 34
S: 7 20 26 33 36/37/39 43 45 60
UN (DOT)
2733
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C9H22N2
Formula mass
158.29
Melting point, °C
-17
Boiling point, °C
160
Vapor pressure, mmHg
1.6 (25 C)
Density
0.811 g/cm3 (20 C)
Solubility in water
Soluble
Refractive index
1.4261 (20 C)
pKa/pKb
6.15 (pKb)
Partition coefficient, pKow
2.17
Heat of vaporization
40.6 kJ/mol

Hazards and Protection.
Storage
Store in cool, dry place in tightly closed containers.
Protection
Impervious gloves, chemical safety goggles, protective work clothing.
Small spills/leaks
Absorb with liquid-binding material (sand, diatomite, acid binders, universal binders, sawdust). Use neutralizing agent. Ensure adequate ventilation. Do not flush with water or aqueous cleansing agents. Keep away from ignition sources.
Stability
Decomposition will not occur if used and stored according to specifications.
Incompatibilities
Oxidizing agents.
Decomposition
Oxides of carbon and nitrogen.

Fire.
Flash Point,°C
42
Fire fighting
In case of fire, use sand, carbon dioxide or powdered extinguishing agent. Never use water. Wear self-contained respirator. Wear fully protective impervious suit.
Hazards
Product is not explosive. However, formation of explosive air/vapor mixtures is possible.
Combustion products
Oxides of carbon and oxides of nitrogen.
Health
2
 
Flammability
2
 
 
Reactivity
1
 

Health.
Exposure effects
Acutely destructive to the respiratory tract, eyes, skin and digestive tract. Eye contact may result in permanent damage and complete vision loss. Inhalation may result in respiratory effects such as inflammation, edema, and chemical pneumonitis. May cause coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting. Ingestion may cause damage to the mouth, throat and esophagus. May cause skin burns or irritation depending on the severity of the exposure.

First aid
 
   Ingestion
Seek immediate medical advice.
   Inhalation
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
   Skin
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
   Eyes
Rinse opened eye for several minutes under running water. Then consult a doctor

Transport.
UN number
2733
Response guide
Hazard class
3
Packing Group
III