DASDA, 4-4 Di-Amino Stilbene 2-2 Di-Sulphonic Acid,DNSDA,4-4 DI-NITRO STILBENE 2-2 DI SULPHONIC ACID,nast,NASDA,4-AMINO 4-NITRO STILBENE 2-2 DI SULPHONIC ACID,pntosa,PNTS,PARA NITRO TOLUENE ORTHO SULPHONIC ACID Mfg. & Exporters of : OBA & DYES INTERMEDIATES | An ISO 9001:2008 certified

Molecular Structure
Product Name 4-Amino 4-Nitro Stilbene 2-2 Di Sulphonic Acid
CAS N0 : 119.72.2
Purity 60.0% min (semi dryed mat.)
Contain By TLC (A) D.N.S.D.A. - 0.5% max
(B) D.A.S.D.A. - 0.5% max
Mol. weight 400 (Free Acid)
Emp. Formula C14H12N2O8S2
Insoluble 0.2 % max
Solubility Water Soluble
Physical Appearance Red Color
Packing 25/500 kgs. HDPE bag with separate liner inside or as per customer’s requirement.