A composition, comprising: trisilylamine and less than 5 ppmw of halogen. A method of making a silylamine comprising combining ammonia and a compound comprising aminosilane functionality, where the compound comprising aminosilane functionality is according to formula (I) R.sup.1 N(R.sup.2)a(SiH.sub.3).sub.2−a (I), where R.sup.1 is an organic polymer, a C-.sub.1-20 hydrocarbyl group or —SiR.sup.3.sub.3.sup.1, where R.sup.3 is C.sub.1-6 hydrocarbyl, R.sup.2 is a C-.sub.1-20 hydrocarbyl group, H, or —SiR.sup.3.sub.3.sup.1, where R.sup.3 is as defined above, subscript a is 0 or 1, provided that R.sup.1 and R.sup.2 may be the same or different except if R.sup.1 is phenyl, R.sup.2 is not phenyl, under sufficient conditions to cause a reaction to form a silylamine and a byproduct.

A composition, comprising: trisilylamine and less than 5 ppmw of halogen. A method of making a silylamine comprising combining ammonia and a compound comprising aminosilane functionality, where the compound comprising aminosilane functionality is according to formula (I) R.sup.1 N(R.sup.2)a(SiH.sub.3).sub.2−a (I), where R.sup.1 is an organic polymer, a C-.sub.1-20 hydrocarbyl group or —SiR.sup.3.sub.3.sup.1, where R.sup.3 is C.sub.1-6 hydrocarbyl, R.sup.2 is a C-.sub.1-20 hydrocarbyl group, H, or —SiR.sup.3.sub.3.sup.1, where R.sup.3 is as defined above, subscript a is 0 or 1, provided that R.sup.1 and R.sup.2 may be the same or different except if R.sup.1 is phenyl, R.sup.2 is not phenyl, under sufficient conditions to cause a reaction to form a silylamine and a byproduct.

Aminopropylalkoxysilanes of the formula

H.sub.2N—CR.sup.2R.sup.3—CHR.sup.1—CH.sub.2—SiR.sup.4R.sup.5(OR.sup.6)   I,

are synthesized by hydrosilylating silazanes of the formulae

##STR00001##

and mixtures thereof, in the presence of a catalyst containing rhodium and/or iridium compounds, and then reacted with alcohol to form an aminopropylalkoxysilane.

Aminopropylalkoxysilanes of the formula

H.sub.2N—CR.sup.2R.sup.3—CHR.sup.1—CH.sub.2—SiR.sup.4R.sup.5(OR.sup.6)   I,

are synthesized by hydrosilylating silazanes of the formulae

##STR00001##

and mixtures thereof, in the presence of a catalyst containing rhodium and/or iridium compounds, and then reacted with alcohol to form an aminopropylalkoxysilane.

An aqueous composition contains N-benzyl-substituted N-(2-aminoethyl)-3-aminopropylsiloxane hydrochlorides, wherein the composition after storage for 6 weeks at 60° C. has a color number of ≤1 Gardner, a content of methanol of ≤0.5% by weight, an active substance content of ≤60% by weight, and a content of water of ≥40% to ≤60% by weight, and wherein the components in the composition sum to 100% by weight.

An aqueous composition contains N-benzyl-substituted N-(2-aminoethyl)-3-aminopropylsiloxane hydrochlorides, wherein the composition after storage for 6 weeks at 60° C. has a color number of ≤1 Gardner, a content of methanol of ≤0.5% by weight, an active substance content of ≤60% by weight, and a content of water of ≥40% to ≤60% by weight, and wherein the components in the composition sum to 100% by weight.

An organic silicon compound having a ketimine structure having good storage stability can be obtained by a production method that produces an organic silicon compound having a ketimine structure indicated by formula (1)

##STR00001##

(R.sup.1 and R.sup.2 each independently indicating a C1-10 alkyl group or a C6-10 aryl group, R.sup.3 and R.sup.4 each independently indicating a hydrogen atom, a C1-10 alkyl group, or a C6-10 aryl group, n indicating an integer of 1-3, and m indicating an integer of 1-12).

The production method includes a step (I) and a step (II) and has a chlorine atom content relative to the organic silicon compound indicated by formula (1) of less than 0.1 mass ppm.

Step (I): A step in which an amino group-containing silicon compound indicated by formula (2) and a carbonyl compound indicated by formula (3) are caused to react.

##STR00002##

(R.sup.1-R.sup.4, n, and m are as described above.)

Step (II): A step in which the chlorine atom content is reduced.

An organic silicon compound having a ketimine structure having good storage stability can be obtained by a production method that produces an organic silicon compound having a ketimine structure indicated by formula (1)

##STR00001##

(R.sup.1 and R.sup.2 each independently indicating a C1-10 alkyl group or a C6-10 aryl group, R.sup.3 and R.sup.4 each independently indicating a hydrogen atom, a C1-10 alkyl group, or a C6-10 aryl group, n indicating an integer of 1-3, and m indicating an integer of 1-12).

The production method includes a step (I) and a step (II) and has a chlorine atom content relative to the organic silicon compound indicated by formula (1) of less than 0.1 mass ppm.

Step (I): A step in which an amino group-containing silicon compound indicated by formula (2) and a carbonyl compound indicated by formula (3) are caused to react.

##STR00002##

(R.sup.1-R.sup.4, n, and m are as described above.)

Step (II): A step in which the chlorine atom content is reduced.

A method for making tris(disilanyl)amine. The method comprises steps of: (a) contacting a disilanyl(alkyl)amine with ammonia to make bis(disilanyl)amine; and (b) allowing bis(disilanyl)amine to produce tris(disilanyl)amine and ammonia.

A method for making tris(disilanyl)amine. The method comprises steps of: (a) contacting a disilanyl(alkyl)amine with ammonia to make bis(disilanyl)amine; and (b) allowing bis(disilanyl)amine to produce tris(disilanyl)amine and ammonia.