Sodium metabisulfite

Lab Alley, LLC

Revision date : 2026-07-03

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GHS07 GHS05
Health risk rating 5
Safety risk rating 1
Environmental risk rating 3

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

GHS05 GHS07 M004 M009 M010 M011 M017

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

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