| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pigment and a pigment composition in which a raw material compound which is impurity is reduced while providing light stability which pigment originally has. <P>SOLUTION: The pigment expressed by formula (2) contains 466 ppm acetoarylide which is a raw material of the pigment expressed by formula (2) and which has a heterocyclic ring ( in formula (2), R1 expresses -H, -OCH<SB POS="POST">3</SB>or -OC<SB POS="POST">2</SB>H<SB POS="POST">5</SB>and each of R<SP POS="POST">2</SP>and R<SP POS="POST">3</SP>is independently expresses -H or -Cl). <P>COPYRIGHT: (C)2013,JPO&INPIT |
