Note: Ingredients listed on restricted chemical lists
EC/CAS
7758-09-0
Name of the chemical
Potassium nitrite
Concentration
>= 90 - <= 100
General Information
Version
6.13
Revision date
2026-08-12
Product name
Potassium nitrite
CAS No.
7758-09-0
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
1.2.2. Uses advised against
The product is being supplied under the TSCA R&D Exemption
Emergency telephone
800 424 9300, +1 703 527 3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H272, H301, H400
Hazard statements
Code
Statements
H272
May intensify fire; oxidiser
Section 2
SECTION 2: Hazards identification
Other hazards
None known
Signal word
Danger
Hazard statements
H272 May intensify fire; oxidizer. H301 Toxic if swallowed. H400 Very toxic to aquatic life.
Prevention
P210 Keep away from heat. P220 Keep/ Store away from clothing/ combustible materials. P221 Take any precaution to avoid mixing with combustibles. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P280 Wear protective gloves/ eye protection/ face protection.
Response
P301 + P310 + P330 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. Rinse mouth. P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P391 Collect spillage.
Storage
P405 Store locked up.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Hazards for the product as supplied Oxidizing solids : Category 2 Acute toxicity (Oral) : Category 3 Short-term (acute) : Category 1 aquatic hazard Other hazards
