Chemical Name: Sodium salt of polynaphthalene sulphonic acid
CAS No.: 36290-04-7
Molecular Fomula: C11H10O4S
Molecular weight: 238.26
Appearance: Yellow, brownish yellow or light brown powder
Assay:99%min
Chemical Name: ACID BLUE 113
CAS No.: 3351-05-1
Molecular Fomula: C32H24N5NaO6S2
Molecular weight: 661.68
Appearance: Greenish black powder.
Assay: ≥99.0%