N-Methyl-diethanolamine N-Methyl-ethanolamine
Structural Formula CH3N-(CH2CH2OH)2 
CH3NH-CH2CH2OH
Molecular Weight
CAS Number
119.16
105-59-9
75.11
109-83-1
Specific Gravity at
20/20°C
Sp.Gr./deltat per °C

1.041
0.00076

0.940
0.00078
Boiling Point, °C at 760 mm Hg 247.3 159.6
at 50 mm Hg
at 10 mm Hg
163.5
128.6
89.6
60.5
Freezing Point, °C (°F) -21 (-6) -5 (23)
Solubility, at 20°C
in water
water in

complete
complete

complete
complete
Vapor Pressure, mm Hg at 20°C
<0.01 0.48
Viscosity, cP
at 20°C
at 40°C

101
33.8

13.0
6.5
Refractive Index, nD, 20°C
1.4694 1.4390
Heat of Combustion,
BTU/lb (cal/g) at 25°C

-12,200 (-6780)

-12,710 (-7060)
Flash Point, °C (°F) 138 (280)(3) 73 (163) (4)

(1) Pour Point
(2) Tag Closed Cup. ASTM Method D56.
(3) Pensky-Martens Closed Cup. ASTM Method D93.
(4) Setaflash Closed Cup. ASTM Method D3278.


NOTE: These properties are typical of the product, but should not be confused with, or regarded as, sales specifications.


<Back