# Hydrogen Peroxide — GHS Classification, Hazards & Handling

> Hydrogen peroxide is classified Danger under GHS, with hazards including Causes severe skin burns and eye damage (H314), May cause respiratory irritation (H335), and Harmful to aquatic life with long lasting effects (H412).

**Chemicals:** Hydrogen peroxide (CAS 7722-84-1)

**GHS signal word:** Danger

**Concentration (this SDS record):** 30 - 50 %

## GHS hazard statements

- **H314** — Causes severe skin burns and eye damage
- **H335** — May cause respiratory irritation
- **H412** — Harmful to aquatic life with long lasting effects

## Hazard ratings

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

- NFPA Health: 3
- NFPA Fire: 0
- NFPA Reactivity: 1
- HMIS Health: 3
- HMIS Fire: 0
- HMIS Reactivity: 1

## Precautionary statements

- **P261** — Avoid breathing dust/fume/gas/mist/vapours/spray
- **P264** — Wash hands thoroughly after handling
- **P271** — Use only outdoors or in a well-ventilated area
- **P273** — Avoid release to the environment
- **P280** — Wear protective gloves/protective clothing/eye protection/face protection
- **P301** — IF SWALLOWED
- **P303** — IF ON SKIN (or hair)
- **P304** — IF INHALED
- **P305** — IF IN EYES
- **P363** — Wash contaminated clothing before reuse
- **P403** — Store in a well-ventilated place
- **P405** — Store locked up
- **P501** — Dispose of contents/container in accordance with local regulations

## SDS safety rules

- (incompatibility) Incompatible with zinc, powdered metals, iron, copper, nickel, brass, iron and iron salts.
  - Incompatible with: Zinc, Powdered metals, Iron, Copper, Nickel, Brass, Iron and iron salts
- (storage) Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage.

## Source

- Source type: canonical
- Supplier: Sigma-Aldrich
- SDS version: 4.15
- SDS revision date: 2017-09-22
- Last verified by MSDS Chain: 2026-07-15

Canonical page: https://safety.msdschain.lagentbot.com/hydrogen-peroxide-ghs-hazards/

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