We Offer Sodium Hypochlorite. NAOCl, CAS No: 7681-52-9, HS Code: 282890.Sodium Hypochlorite is used in textile industry mainly as a bleaching agent and works particularly well on cotton fibres. It is also commonly used in water treatment process as disinfectant for drinking water, swimming pool, sewage and waste water.Sodium Hypochlorite is colourless-yellowish liquid with strong chlorine-like smell, and we have it with 10%/12%/15%/20% purity.