We are offering caustic soda. Specification: my s=k=y=p=e: alice.chen203product name caustic soda cas no. 1310-73-2flake solid pearl molecular weight 40.00 molecular formula naohindustrial grade gb209-2006composing flakesolidpearl 96% flakesolidpearl 98% flakesolidpearl 99%naoh 96% min 98% min 99% minna2co3 1% max 0.5% max 0.4% maxnacl 2% max 0.03% max 0.015% maxfe2o3 0.01% max 0.005% max 0.001% max.