INDEX Alkyl amine

Because the delta chi indexes, A x> emphasize the role of the nonsigma electrons, they have become important in relating to properties which are more dependent on lone pair and 7t electrons. The delta chi indexes introduced above have also been found useful in an analysis of the ionization potentials of a set of 24 alkyl amines, alcohols, and ethers. The delta chi for the first three orders are defined as above. 

TG/DTG/DTA was employed to determined the At value, affinity index, for comparing the interaction between the perfect Si-0 framework of siliceous ferrierite and the adsorbed organic compounds with various functional groups, such as alkyl-amines, alkyl-alcohols and n-alkanes. The relation between At values and interaction strength (AHi) is discussed as well. 

Alkyl (Cl3-15) dimethylamine. See Dimethyl Cl3-15 alkyl amine Alkyl (C8-10) glycidyl ether CAS 68609-96-1 EINECS/ELINCS 271-845-2 Synonyms Alkyl (C8, CIO) glycidyl ether C8-10 glycidyl ether Octyidecyl glycidyl ether Oxirane, mono ((C8-10-alkyloxy) methyl derive. Classification Nonaromatic ether Definition Glycidyl ether of C8-10 alcohols Properties Dens. 0.900 ref. index 1.4420 Toxicology Irritant sensitizer possible mutagen TSCA listed... 

Common names of the compounds arc used throughout this volume. Preparations appear in the alphabetical order of common names of the compound or names of the synthetic procedures. The Chemical Abstracts indexing name for each title compound, if it differs from the common name, is given as a subtitle. Because of the major shift to new systematic nomenclature adopted by Chemical Abstracts in 1972, many common names used in the text are immediately followed by the bracketed, new names. Whenever two names are concurrently in use, the correct Chemical Abstracts name is adopted. The prefix n- is deleted from w-alkanes and w-alkyls. In the case of amines, both the common and systematic names are used, depending on which one the Editor-in-Chief feels is more appropriate. All reported dimensions are now expressed in Systeme International units. 

Of the 3 possible types of peroxy carbonate esters-dialkyl monoperoxy carbonates, dialkyl diperoxycarbonates and dialkyl peroxydicarbonates-, the latter are by far the least stable group. Several of the 16 alkyl and substituted-alkyl esters prepared decomposed violently or explosively at temperatures only slightly above the temperature of preparation (0-10°C), owing to self-accelerating exothermic decomposition. Several were also explosive on exposure to heat, friction or shock [1], Amines and certain metals cause accelerated decomposition of dialkyl peroxydicarbonates by a true catalytic mechanism [2], Individually indexed compounds are ... 

Table III. Decrease in Alkyl Band Index (2813 cm ) during Irradiation in a Microscal Unit of EB Cured (4MRad) GPT (12 m thick) after Reaction with Various Amines...

Amine Alkyl Band lOOh Index Values 200h... 

The rates of loss do not correlate with the rates of increase in the hydroxyl index for these systems or with the photoyellowing and uv phenomena. This indicates that the mechanism of oxidation of the amine functionality is complex. An additional feature of interest is the profile of this band loss as related to terminal amine structure. In the simple alkyl substituted systems namely diethyl, dimethyl and dibutyl there is an initial rapid loss followed by a slowing down of the rate of decrease on prolonged irradiation. However, with the oxygen containing systems namely morpholine, N-ethyl ethanolamine and N-methyl ethanolamine the rate of decrease is linear with irradiation time. Evidently, there must be two different mechanisms in operation here. The loss of these infra-red absorption bands may be due to a process of dealkylation via oxidation (see reactions later). The band situated at 2978 cm"l exhibited similar behaviour although the extent of the loss was less than that observed with the previous band and the order of rate loss was marginally different. 

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