Note: Ingredients listed on restricted chemical lists
EC/CAS
7681-57-4
Name of the chemical
Sodium metabisulfite
Concentration
≥97.0
General Information
Revision date
2026-02-17
Product name
Sodium Metabisulfite
Product Synonyms
Sodium Pyrosulfite; Disodium Pyrosulfite; Pyrosulfurous Acid, Disodium Salt; Sodium
CAS No.
7681-57-4
1.2.1 Relevant identified uses
For manufacturing, industrial, and laboratory use only
supplier name
Rocky Mountain Reagents, Inc
Emergency telephone
(800) 222-1222
Icons in SDS
Company Information
company name
Rocky Mountain Reagents, Inc
GHS Information
Signal word
WARNING
Hazard Codes
Hazard statements (CLP)
H302, H319
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Hazard Classifications Acute Toxicity – Oral: Category 4 Eye Damage/Irritation: Category 2A
Signal word
WARNING
Hazard statements
Harmful if swallowed. Causes serious eye irritation.
Prevention
Wash thoroughly after handling. Do not eat, drink or smoke when using this product. Wear eye protection and face protection.
Response
If swallowed: Call a poison center or doctor if you feel unwell. Rinse mouth. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical attention.
Storage
Not applicable.
Disposal
Dispose of contents and container in accordance with local, regional, national, and international regulations.
2.3 Other hazards
Contact with acids or water liberates toxic sulfur dioxide gas. Toxicity Statement Not applicable.
2.1 Classification of the substance or mixture
Acute Toxicity – Oral: Category 4 Eye Damage/Irritation: Category 2A Signal Word: WARNING Hazard Statements: Harmful if swallowed. Causes serious eye irritation. Pictograms
