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sodium metabisulphite

CAS 7681-57-4 · Na2O5S2

Hazard class

Danger — Irritant / harmful, Corrosive

Pictograms

Irritant / harmfulCorrosive

H-statements

H302 Harmful if swallowed
H318 Causes serious eye damage
EUH031 Contact with acids liberates toxic gas

Common uses (US EPA CDR)

Reducing agentAnti-scaling agentFlotation agentOxidizing agentProcessing aids not otherwise specifiedEtching agent

Workplace exposure limits

NIOSH REL TWA 5 mg/m3
OSHA PEL none
IDLH N.D.

Occupational exposure limits — NIOSH Pocket Guide.

Synonyms

Sodium metabisulfite · Sodium pyrosulfite · Sodium disulfite · Disodium pyrosulfite · Natrii disulfis · Campden Tablets · Disodium metabisulfite · Natrium pyrosulfit

Molecular weight

190.11 g/mol

Browse similar

Irritant / harmful · Corrosive

Data source

Harmonised classification ECHA — EU CLP Annex VI

Legally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.

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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). SNRL is a free chemical safety search. Browse categories · API · Console

Guide only. This information is compiled from published safety data sheets and public regulatory registries and is believed correct at the date of publication shown. It is not all-inclusive and shall be used only as a guide. It does not replace the manufacturer’s current Safety Data Sheet, which governs in all cases. SNRL shall not be held liable for any injury, loss or damage resulting from handling of, or contact with, any product listed.