Note: Ingredients listed on restricted chemical lists
General Information
Version
5
Revision date
2025-12-19
Product name
Potassium nitrite
Product Synonyms
Nitrous acid, potassium salt
CAS No.
7758-09-0
Emergency telephone
001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Fisher Scientific Company
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H272, H301
Hazard statements
Code
Statements
H272
May intensify fire; oxidiser
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Danger
Hazard statements
May form combustible dust concentrations in air May intensify fire; oxidizer Toxic if swallowed
Prevention
Obtain special instructions before use Do not handle until all safety precautions have been read and understood Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Keep away from clothing and other combustible materials Take any precaution to avoid mixing with combustibles Wear protective gloves/protective clothing/eye protection/face protection
Response
IF exposed or concerned: Get medical attention/advice Ingestion IF SWALLOWED: Immediately call a POISON CENTER or doctor Rinse mouth Fire In case of fire: Use CO2, dry chemical, or foam to extinguish
Storage
Store locked up Store in a well-ventilated place. Keep container tightly closed
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
Very toxic to aquatic life
2.1 Classification of the substance or mixture
Category 2 Acute oral toxicity Category 3 Combustible dust Yes Label Elements Signal Word
