MSDS Nitric Acid (HNO3) – Safety Data Sheet & GHS Hazards

Summary MSDS for Nitric Acid (HNO3), CAS 7697-37-2: substance identity, GHS hazard classification, hazard and precautionary statements, and links to the manufacturer's official SDS.

TCI N0806 – Nitric Acid (67%)

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TCI N0806 – Nitric Acid (67%)

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Identity summary

Name Nitric Acid
Other names (IUPAC) –
Molecular formula HNO3
CAS number 7697-37-2
Molar mass 63.013 g/mol
PubChem CID 944

Molar mass of HNO3 and how to calculate it

The molar mass of HNO3 is 63.01 g/mol, the sum of the relative atomic masses of all atoms in the formula: 1.008 + 14.007 + 3 × 15.999 = 63.01 g/mol.

Element Atoms Atomic mass Contribution Mass %
H 1 1.008 1.01 1.60%
N 1 14.007 14.01 22.23%
O 3 15.999 48.00 76.17%

So 1 mol of HNO3 weighs 63.01 g, and 1 L of a 0.1 M solution needs 6.301 g of pure HNO3. For liquid or concentrated reagents, work from assay and density with the dilution formula. Calculate other compounds with the molar mass calculator.

Hazard identification (GHS)

Signal word: DANGER

Pictograms:

GHS05 – Corrosive
Corrosive
GHS06 – Acute toxicity
Acute toxicity
GHS08 – Health hazard
Health hazard
GHS03 – Oxidizer
Oxidizer

Meaning of all GHS hazard symbols

Hazard statements (H)

  • H330: Fatal if inhaled.
  • H314: Causes severe skin burns and eye damage.
  • H370: Causes damage to organs.
  • H372: Causes damage to organs through prolonged or repeated exposure.
  • H402: Harmful to aquatic life.
  • H272: May intensify fire; oxidizer.

Precautionary statements (P)

Prevention

  • P273: Avoid release to the environment.
  • P270: Do not eat, drink or smoke when using this product.
  • P260: Do not breathe mist or vapours.
  • P220: Keep away from clothing and other combustible materials.
  • P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P271: Use only outdoors or in a well-ventilated area.
  • P264: Wash skin thoroughly after handling.
  • P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
  • P284: Wear respiratory protection.

Response

  • P370 + P378: In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
  • P308 + P311: IF exposed or concerned: Call a POISON CENTER/doctor.
  • P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
  • P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
  • P363: Wash contaminated clothing before reuse.
  • P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
  • P305 + P351 + P338 + P310: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.

Storage

  • P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
  • P405: Store locked up.

Disposal

  • P501: Dispose of contents/ container to an approved waste disposal plant.

The GHS classification above matches TCI (Tokyo Chemical Industry) official data for product N0806 Nitric Acid (67%). Substance identity from PubChem CID 944.

Download the official SDS & CoA

The applicable Safety Data Sheet is the manufacturer's SDS for the product and lot you purchase. For products available from AMI Scientific:

TCI N0806 – Nitric Acid (67%) Official SDS & CoA (TCI)
TCI N0806 – Nitric Acid (67%) View product
Nitric Acid 5 %, CAS 7697-37-2, 2.5 L – Smartlab A-1063A View product
Nitric Acid 65 %, CAS 7697-37-2, 2.5 L – Smartlab A-1063B View product
Nitric Acid 69-71 %, CAS 7697-37-2, 2.5 L – Smartlab A-1063 View product

SDS and lot-specific CoA are sent with the quotation/order or on request.

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What is an MSDS/SDS?

An MSDS (Material Safety Data Sheet), now called an SDS (Safety Data Sheet), is a 16-section document describing the hazards, handling, storage, first aid, and disposal of a chemical. Read the full MSDS guide and other MSDS pages.

This summary was compiled by AMI Scientific from TCI official GHS data for information purposes. Classification may differ by concentration, form, and supplier. Always refer to the manufacturer's official SDS for the product and lot you use. Updated: 06-11-2026.