Organopolysiloxane compound and production method thereof

An organopolysiloxane compound, represented by formula (1) and having a molecular weight distribution (Mw/Mn) of 2.0 or less,

• wherein, in formula (1), R1 is hydrogen, alkyl in which at least one hydrogen atom may be replaced with a halogen atom, alkenyl in which at least one hydrogen atom may be replaced with a halogen atom, alkynyl in which at least one hydrogen atom may be replaced with a halogen atom, cycloalkyl in which at least one hydrogen atom may be replaced with a halogen atom, aryl in which at least one hydrogen atom may be replaced with a halogen atom, a functional group, or a group having a functional group;
• R2 is alkyl or aryl;
• R3 is each independently hydrogen, alkyl in which at least one hydrogen atom may be replaced with a halogen atom, alkenyl in which at least one hydrogen atom may be replaced with a halogen atom, alkynyl in which at least one hydrogen atom may be replaced with a halogen atom, cycloalkyl in which at least one hydrogen atom may be replaced with a halogen atom, or aryl in which at least one hydrogen atom may be replaced with a halogen atom;
• R4 is hydrogen, alkyl in which at least one hydrogen atom may be replaced with a halogen atom, alkenyl in which at least one hydrogen atom may be replaced with a halogen atom, alkynyl in which at least one hydrogen atom may be replaced with a halogen atom, cycloalkyl in which at least one hydrogen atom may be replaced with a halogen atom, aryl in which at least one hydrogen atom may be replaced with a halogen atom, a functional group, or a group having a functional group;
• n is an integer of 3 or greater;
• and
• p is 3 or 4.