nitric acid

HNO3

CAS7697-37-2

Danger

Consulting for nitric acid

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Identification

CAS Number: 7697-37-2
EC Number: 231-714-2
UN Number: 2031
Index Number: 007-004-00-1
PubChem CID: 944

Physical-chemical properties

Molecular Formula: HNO3
Molar Mass: 63.01 g/mol
IUPAC Name: nitric acid

Chemical Identifiers

InChI: InChI=1S/HNO3/c2-1(3)4/h(H,2,3,4)
InChI Key: GRYLNZFGIOXLOG-UHFFFAOYSA-N

Overview

nitric acid (CAS: 7697-37-2) is a chemical compound widely used in industry. The molecular formula is HNO3. The molar mass is 63.01 g/mol.

Safety & Classification

Danger

Classification:

Ox. Liq. 3; Acute Tox. 3; Skin Corr. 1A

GHS Pictograms

Flame Over Circle

GHS03

Oxidizing. May cause or intensify fire.

Skull and Crossbones

GHS06

Acute toxicity. Fatal if swallowed, in contact with skin, or if inhaled.

Corrosion

GHS05

Corrosive. Causes severe skin burns and eye damage.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H272

May intensify fire; oxidiser.

H331

Toxic if inhaled.

H314

Causes severe skin burns and eye damage.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Toxic

Measures if vapours or dust are inhaled

First Aid Actions

+P304IF INHALED:
+P340Remove person to fresh air and keep comfortable for breathing.
+P311Call a POISON CENTER/doctor.

Related hazard statements:

H331

Skin Contact

Harmful

Measures if substance contacts the skin

First Aid Actions

+P302IF ON SKIN:
+P352Wash with plenty of water.
+P361Take off immediately all contaminated clothing.
+P313Get medical advice/attention.

Related hazard statements:

H314

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

+P305IF IN EYES:
+P351Rinse cautiously with water for several minutes.
+P338Remove contact lenses, if present and easy to do. Continue rinsing.
+P313Get medical advice/attention.

Related hazard statements:

H314

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number	2031
ADR Class	8
Packing Group	I
ADR Labels	5.1, 8
Tunnel Code	B/E
Proper Shipping Name	SALPETERSÄURE, außer rauchender, mit mehr als 70 % Säure
Marine Pollutant	No

Frequently Asked Questions

What is nitric acid?

nitric acid (CAS 7697-37-2) is a chemical substance with the formula HNO3 used in various industrial applications.

What are the properties of nitric acid?

nitric acid has a molar mass of 63.01 g/mol. It is classified as Ox. Liq. 3; Acute Tox. 3; Skin Corr. 1A. See the technical data above for more details.

How to store nitric acid safely?

nitric acid should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is nitric acid dangerous?

nitric acid carries the signal word "Danger". 3 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy nitric acid?

You can order nitric acid (CAS 7697-37-2) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.