1,3 Propane sultone (1,3 PS)

1,3 Propane sultone (1,3 PS) 1)Pharmaceutical Grade CAS No: 1120-71-4 Molecular formula: C3H6SO3 Assay: 99.99%min. Appearance: Clear colorless liquid or crystal; Melting point: 31+10C Refractive index: 1.4500+ 0.001 2)Electronic Grade CAS No: 1120-71-4 Molecular formula: C3H6SO3 Assay: 99.99%min. Appearance: Clear colorless liquid or crystal; Water:100ppm min Melting point: 31+10C Refractive index: 1.4500+ 0.001 Main application: 1,3-PS is an important additive for medical, also as for brightener agent, dyestuff, zwitterions surfactants, sulphonating agent, and lithium battery.