Note: Ingredients listed on restricted chemical lists
EC/CAS
7681-57-4
Name of the chemical
Sodium metabisulfite
Concentration
100%
General Information
Revision date
2026-07-03
Product name
Sodium metabisulfite
Product Synonyms
Disodium disulfite, disodium metabisulfite, disodium pyrosulfite, sodium metabisulfite, sodium pyrosulfite, disulforous acid, disodium salt
CAS No.
7681-57-4
Emergency telephone
1-800-535-5053, 1-352-323-3500
Icons in SDS
Company Information
company name
Lab Alley, LLC
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H302, H317, H319, H334, H402, H412
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture
Signal word
Danger
Hazard statements
Harmful if swallowed. Causes serious eye irritation. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction.
Prevention
Wash face, hands and any exposed skin thoroughly after handling. Do not eat, drink or smoke when using this product. Avoid breathing dust/fume/gas/mist/vapors/spray. In case of inadequate ventilation wear respiratory protection. Contaminated work clothing must not be allowed out of the workplace. Wear protective gloves/protective clothing/eye protection/face protection.
Response
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 advice/attention. IF ON SKIN Wash with plenty of water. If skin irritation or rash occurs: Get medical advice/attention. Wash contaminated clothing before reuse. IF INHALED: If breathing is difficult, remove person to fresh air and keep comfortable for breathing. If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth.
Disposal
Dispose of contents/container to an approved waste disposal plant.
2.3 Other hazards
Harmful to aquatic life with long lasting effects. Harmful to aquatic life.
2.1 Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) Acute toxicity - oral Category 4 Serious eye damage/eye irritation Category 1