Sodium hypochlorite
CAS 7681-52-9ClNaO74.44 g/mol
Sodium hypochlorite is an inorganic sodium salt in which hypochlorite is the counterion. It is used as a bleaching and disinfecting agent and is commonly found in household bleach. It has a role as a bleaching agent and a disinfectant. It contains a hypochlorite.
IUPAC: sodium hypochlorite
PubChem
Physical & Chemical Properties
| Melting Point | MP: 18 °C /Pentahydrate/ |
| Boiling Point | Boiling point: 111 °C in solution |
| Density | 1.093 for 5% solution (USCG, 1999) - Denser than water; will sink |
| Solubility | 29.3 g/100 g (0 °C) in water |
| Vapor Pressure | Vapor pressure, kPa at 20 °C: 2 - 2.5 |
| Appearance | Sodium hypochlorite appears as colorless or slightly yellow watery liquid with an odor of household bleach. Mixes with water. (USCG, 1999) |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2828
Data: UN Comtrade
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