1, 2-Benzisothiazolin-3-one (BIT), CAS#2634-33-5 Purity: 99.0%min. Appearance: White or yellowish powder Water: 15%+-1% 1,2-Benzisothiazolin-3-one (BIT), CAS#2634-33-5 BIT is regarded as a safe and environmental friendly product with slight toxicity. BIT is widely used in water-soluble resin coating (emulsion paint), latex products, acrylic polymer, polyurethane products, photographic lotion, oil ...