# Nitric Acid — GHS Classification, Corrosivity & Hazards

> Nitric acid is classified Danger under GHS, with hazards including May intensify fire; oxidiser (H272) and Causes severe skin burns and eye damage (H314).

**Chemicals:** Nitric acid (CAS 7697-37-2)

**GHS signal word:** Danger

**Concentration (this SDS record):** 40%

## GHS hazard statements

- **H272** — May intensify fire; oxidiser
- **H314** — Causes severe skin burns and eye damage

## Physical properties

- Boiling point (°C): 121
- Vapour pressure (mmHg): 7

## Hazard ratings

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

- NFPA Health: 3
- NFPA Fire: 0
- NFPA Reactivity: 2
- HMIS Health: 3
- HMIS Fire: 0
- HMIS Reactivity: 2

## Precautionary statements

- **P210** — Keep away from heat, hot surfaces, sparks, open flames and other ignition sources; No smoking
- **P220** — Keep away from clothing and other combustible materials
- **P260** — Do not breathe dust/fume/gas/mist/vapours/spray
- **P264** — Wash hands thoroughly after handling
- **P280** — Wear protective gloves/protective clothing/eye protection/face protection
- **P301+P330+P331** — IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- **P303+P361+P353** — IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower
- **P304+P340** — IF INHALED: Remove person to fresh air and keep comfortable for breathing
- **P305+P351+P338** — IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing
- **P310** — Immediately call a POISON CENTER or doctor
- **P321** — Specific treatment
- **P363** — Wash contaminated clothing before reuse
- **P370+P378** — In case of fire: Use appropriate media for extinction
- **P405** — Store locked up
- **P501** — Dispose of contents/container in accordance with local regulations

## SDS safety rules

- (storage) Keep container tightly closed. Store in a cool/low-temperature, well-ventilated dry place away from heat and ignition sources.
- (incompatibility) Nitric Acid is incompatible with combustible materials, readily oxidizable materials, organic solvents, metal powders, carbides, cyanides, sulfides, and alkalis.
  - Incompatible with: combustible materials, readily oxidizable materials, organic solvents, metal powders, carbides, cyanides, sulfides, alkalis

## Source

- Source type: canonical
- Supplier: Air Liquide
- SDS version: 1.0
- SDS revision date: 2020-01-15
- Region: US
- Last verified by MSDS Chain: 2026-07-15

Canonical page: https://safety.msdschain.lagentbot.com/nitric-acid-ghs-classification/

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