Chemical of the Quarter: Understanding Sodium Hypochlorite

Sodium hypochlorite, NaClO, is commonly used for disinfecting and bleaching. It is found in household items such as laundry detergent and is also used in drinking water facilities and swimming pools. This material is stable at room temperature and atmospheric pressure but can give off hazardous and toxic vapors. It is corrosive and causes chemical burns to unprotected skin and mucous membranes. The material is non-flammable and poses no fire risk. Hypochlorite solutions can be transported a number of ways, including truck, train, plane, or vessel, provided applicable regulations are observed. Hypochlorite solutions can be shipped in small amounts known as limited quantities. When shipped specifically for consumer use in limited quantities, the shipment is known as Other Regulated Materials-Definitions materials, or ORM-D materials. The Coast Guard enforces maritime transportation requirements for sodium hypochlorite under 49 CFR Subchapter C. Additionally, the Coast Guard operates the National Response Center, the sole federal point of contact for reporting chemical spills.


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  • Accession Number: 01732121
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Feb 26 2020 11:13AM