The present invention provides an azo compound represented by the following Formula (I). In Formula (I), R 1 and R 2 respectively independently represent a hydrogen atom, an alkyl group having 1 to 21 carbon atoms, an alkenyl group having 2 to 21 carbon atoms, an aryl group having 6 to 21 carbon atoms or an aralkyl group having 7 to 21 carbon atoms, were R 1 and R 2 may form a hetero ring in combination with a nitrogen atom combined therewith. R 3 represents a halogen atom, a trihalomethyl group, an alkoxy group having 1 to 21 carbon atoms, a nitro group or an amino group. R 4 represents a halogen atom or a —SO 3 M group, where M represents a cation of a metal atom or a cation made of a nitrogen-containing compound. m denotes an integer from 0 to 5. n denotes an integer from 0 to 4
1. An azo compound represented by the following Formula (I):
wherein: R 1 and R 2 respectively independently represent a hydrogen atom, an alkyl group having 1 to 21 carbon atoms, an alkenyl group having 2 to 21 carbon atoms, an aryl group having 6 to 21 carbon atoms or an aralkyl group having 7 to 21 carbon atoms, or R 1 and R 2 may form a hetero ring in combination with a nitrogen atom combined therewith; R 3 represents a halogen atom, a trihalomethyl group, an alkoxy group having 1 to 21 carbon atoms, a nitro group or an unsubstituted or substituted amino group; R 4 represents a halogen atom or a —SO 3 M group, where M represents a cation of a metal atom or a cation made of a nitrogen-containing compound; m denotes an integer from 0 to 5; and n denotes an integer from 0 to 4.
2. The azo compound of claim 1 , wherein R 1 or R 2 in Formula (I) respectively represents an alkyl group having 1 to 10 carbon atoms.
3. The azo compound of claim 1 , wherein R 1 or R 2 in Formula (I) respectively represents an aryl group having 6 to 10 carbon atoms.
4. The azo compound of claim 1 , wherein R 1 or R 2 in Formula (I) respectively represents an aralkyl group having 7 to 10 carbon atoms.
5. The azo compound of claim 1 , wherein the sum of the formula weights of R 1 and R 2 in the Formula (I) is 500 or less.
6. The azo compound of claim 1 , wherein R 3 in Formula (I) represents a chlorine atom, a trifluoromethyl group, an alkoxy group having 1 to 7 carbon atoms, a nitro group, a substituted amino group or an unsubstituted amino group.
7. The azo compound of claim 1 , wherein n in Formula (I) denotes an integer from 0 to 1.
8. The azo compound of claim 1 , wherein R 4 in Formula (I) represent a chlorine atom or a —SO 3 M group.
9. The azo compound of claim 1 , wherein M in Formula (I) represents a cation of Na, K, Mg, Ca, Ba, Zn, Al, Cu or Fe or a cation of a nitrogen-containing compound.
10. The azo compound of claim 1 , wherein m in Formula (I) denotes an integer from 0 to 3.
11. The azo compound of 1, wherein the azo compound represented by Formula (I) has a structure represented by the following Formulae (II), (III) or (IV):
wherein: the definition of R 1 , R 2 , R 3 , R 4 and m are the same as R 1 , R 2 , R 3 , R 4 and m in Formula (I) respectively; the definition of n in Formulae (II) and (III) are the same as n in the Formula (I); and p in Formula (IV) denotes an integer from 0 to 3.