potassium nitrite

KNO2

CAS7758-09-0

Danger

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Identification

CAS Number: 7758-09-0
EC Number: 231-832-4
UN Number: 1488
Index Number: 007-011-00-X
PubChem CID: 516910

Physical-chemical properties

Molecular Formula: KNO2
Molar Mass: 85.10 g/mol
IUPAC Name: potassium nitrite

Chemical Identifiers

InChI: InChI=1S/K.HNO2/c;2-1-3/h;(H,2,3)/q+1;/p-1
InChI Key: BXNHTSHTPBPRFX-UHFFFAOYSA-M

Overview

potassium nitrite (CAS: 7758-09-0) is a chemical compound widely used in industry. The molecular formula is KNO2. The molar mass is 85.10 g/mol.

Safety & Classification

Danger

Classification:

Ox. Sol. 2; Acute Tox. 3 *; Aquatic Acute 1

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.

Environment

GHS09

Environmental hazard. Toxic to aquatic life with long lasting effects.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H272

May intensify fire; oxidiser.

H301

Toxic if swallowed.

H400

Very toxic to aquatic life.

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

Ingestion

Toxic

Measures if substance is accidentally swallowed

First Aid Actions

+P301IF SWALLOWED:
+P330Rinse mouth.
+P331Do NOT induce vomiting.
+P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

H301

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	1488
ADR Class	5.1
Packing Group	II
Tunnel Code	E
Proper Shipping Name	Kaliumnitrit
Marine Pollutant	No

Frequently Asked Questions

What is potassium nitrite?

potassium nitrite (CAS 7758-09-0) is a chemical substance with the formula KNO2 used in various industrial applications.

What are the properties of potassium nitrite?

potassium nitrite has a molar mass of 85.10 g/mol. It is classified as Ox. Sol. 2; Acute Tox. 3 *; Aquatic Acute 1. See the technical data above for more details.

How to store potassium nitrite safely?

potassium nitrite 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 potassium nitrite dangerous?

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

Where can I buy potassium nitrite?

You can order potassium nitrite (CAS 7758-09-0) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.