Para Nitro Aniline Ortho Sulfonic Acid (PNAOSA)

Certificate of Analysis

Chemical Name	4-Nitro 4'-Amino Diphenyl Amine 2-Sulfonic Acid (Pre. F.C. Acid) (9129-2)
Chemical Formula	C12H11N3O5S
Molecular Formula
CAS No	91-29-2
Specification	Isomer by HPLC : 0.5 % max. PPDA 1.0% Max. PNCBOSA
Molecular Weight	309
Typical Imourity	Insoluble in Caustic : 0.5 % Max.
Purity by N.V	60.00%
End Use	DYESTUFF & DYESTUFF INTERMEDIATES