4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt mixt. with 4-[(2-hydroxy-1-naphthalenyl)azo]benzenesulfonic acid monosodium salt , 99% , 【167954-13-4】
Molecular Formula: C38H30N8Na2O13S3
Formula Weight: 948.86
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