Trade name:als Chemical name:allyl sulfanate,  sodium salt Structure formula:h2c=ch-ch2so3na Molecular formula:c3h5so3na Molecular weight:144 Cas no.:2495-39-8 Assay25%35%95%98% Appearancecolorless to yellowish liquidcolorless to yellowish liquidwhite granulewhite granule Related density1.20-1.251.20-1.26  Ph value7.0-9.07.0-9.0 6.1(1%solution) Refractive index@20° c1.385-1.39201.4000-1.4050  Nacl contant  1.5%(max) Fe content  0.0003% Na2so3 content  0.2% Water content  3.0% Package:25kg/drum Application:assistant brightener; improve throwing power and ductility of metal.