# How to Store Sodium Hypochlorite (Bleach) Safely

> Sodium hypochlorite is classified Danger under GHS, with hazards including Causes skin irritation (H315), Causes serious eye damage (H318), and Very toxic to aquatic life with long lasting effects (H410).

**Chemicals:** Sodium hypochlorite (CAS 7681-52-9)

**GHS signal word:** Danger

## GHS hazard statements

- **H315** — Causes skin irritation
- **H318** — Causes serious eye damage
- **H410** — Very toxic to aquatic life with long lasting effects

## Hazard ratings

_As stated by the SDS author; not independently calculated._

- NFPA Health: 2
- NFPA Fire: 0
- NFPA Reactivity: 0
- HMIS Health: 2
- HMIS Fire: 0
- HMIS Reactivity: 0

## Precautionary statements

- **P264** — Wash hands thoroughly after handling
- **P273** — Avoid release to the environment
- **P280** — Wear protective gloves/protective clothing/eye protection/face protection
- **P302** — IF ON SKIN
- **P305** — IF IN EYES
- **P332** — If skin irritation occurs
- **P362** — Take off contaminated clothing
- **P391** — Collect spillage
- **P501** — Dispose of contents/container in accordance with local regulations

## SDS safety rules

- (incompatibility) Incompatible with acids.
  - Incompatible with: Acids
- (storage) Keep container tightly closed in a dry and well-ventilated place.

## Source

- Source type: canonical
- Supplier: Sigma-Aldrich
- SDS version: 5.10
- SDS revision date: 2017-11-06
- Last verified by MSDS Chain: 2026-07-15

Canonical page: https://safety.msdschain.lagentbot.com/sodium-hypochlorite-storage/

_Published by MSDS Chain (msdschain.lagentbot.com). Reference information, not a substitute for the manufacturer SDS or professional EHS judgement._