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CAS No.: | 13680-35-8 |
---|---|
Name: | 4,4'-Methylenebis(2,6-diethylaniline) |
Article Data: | 3 |
Molecular Structure: | |
Formula: | C21H30N2 |
Molecular Weight: | 310.483 |
Synonyms: | Ethacure 208;4-[(4-amino-3,5-diethyl-phenyl)methyl]-2,6-diethyl-aniline;4,4-Methylenebis(2,6-diethylaniline);4,4’-Methylene-Bis(2,6-Diethylaniline) (MDEA);4,4'-Methylene-Bis(2,6-Diethylaniline);4,4'-Methylene-bis-(2,6-diethylaniline);Kayabond C 300;Benzenamine,4,4'-methylenebis[2,6-diethyl-;Lonzacure M-DEA;Kayabond C 300S; |
EINECS: | 237-185-4 |
Density: | 1.019 g/cm3 |
Melting Point: | 88-90 °C(lit.) |
Boiling Point: | 463.5 °C at 760 mmHg |
Flash Point: | 281 °C |
Solubility: | 440μg/L at 20℃ |
Appearance: | Crystalline powder |
Hazard Symbols: | Xn |
Risk Codes: | 22-36/37/38 |
Safety: | 26-36 |
PSA: | 52.04000 |
LogP: | 5.85380 |
formaldehyd
2,6-diethylaniline
2-isopropyl-6-methylaniline
B
methylene-1,1-bis(2-isopropyl-6-methylaniline)
C
4,4’-methylenebis(2,6-diethylaniline)
Conditions | Yield |
---|---|
With sulfuric acid In water; isopropyl alcohol at 60℃; for 5.5h; Product distribution / selectivity; | |
With sulfuric acid In water; isopropyl alcohol at 60℃; for 5.5h; Product distribution / selectivity; |
formaldehyd
2,6-diethylaniline
2-isopropyl-6-methylaniline
B
4,4’-methylenebis(2,6-diethylaniline)
Conditions | Yield |
---|---|
With sulfuric acid In water; isopropyl alcohol at 60℃; for 5.5h; Product distribution / selectivity; |
Conditions | Yield |
---|---|
Stage #1: 2,6-diethylaniline With hydrogenchloride In water at 50 - 55℃; for 0.5h; Inert atmosphere; Stage #2: formaldehyd In water at 90 - 95℃; for 2h; Temperature; |
4,4’-methylenebis(2,6-diethylaniline)
4,4'-methylene-bis-(3-chloro-2,6-diethylaniline)
Conditions | Yield |
---|---|
Stage #1: 4,4′-methylenebis(2,6-diethylaniline) With hydrogenchloride In water at 20℃; for 0.25h; Stage #2: With dihydrogen peroxide In water at 45 - 65℃; for 3h; | 99.3% |
With chlorine; acetic acid at 50 - 55℃; Reagent/catalyst; Temperature; | 92.8% |
4,4’-methylenebis(2,6-diethylaniline)
bis-(3,5-diethyl-4-aminocyclohexyl)-methane
Conditions | Yield |
---|---|
With Ru/Al2O3; hydrogen In cyclohexane at 110℃; under 15001.5 Torr; |
4,4’-methylenebis(2,6-diethylaniline)
salicylaldehyde
[(HOC6H4-o-C(H)=N-2,6-(CH3CH2)2(4-C6H2))2-4-CH2]
Conditions | Yield |
---|---|
toluene-4-sulfonic acid In methanol for 12h; Heating / reflux; | 95% |
3-tert-butyl-2-hydroxybenzaldehyde
4,4’-methylenebis(2,6-diethylaniline)
[(HO-(3-tert-butyl)C6H3-o-C(H)=N-2,6-(ethyl)2C6H2)2-4-CH2]
Conditions | Yield |
---|---|
toluene-4-sulfonic acid In methanol for 12h; Heating / reflux; | 95% |
maleic anhydride
4,4’-methylenebis(2,6-diethylaniline)
di(3,5-diethyl-4-maleimido-phenyl)methane
Conditions | Yield |
---|---|
Stage #1: maleic anhydride; 4,4′-methylenebis(2,6-diethylaniline) In toluene Stage #2: With methanesulfonic acid In toluene for 1.5h; Reflux; | 96% |
Conditions | Yield |
---|---|
In 1-methyl-pyrrolidin-2-one at 100 - 150℃; for 12h; | 99% |
Conditions | Yield |
---|---|
In ethanol at 20℃; for 24h; | 50% |
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