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Alkali Metal Compounds (Li, Na, K, Rb, Cs)

Sodium Metabisulfite, food grade (FCC)

Food GradeAvailable on request

Buy Sodium Metabisulfite, food grade (FCC) (CAS 7681-57-4) from Zemixal: Na2O5S2, COA and SDS with every lot, worldwide shipping.

Pack sizes
Sodium Metabisulfite, food grade (FCC) chemical structure
CAS number7681-57-4
FormulaNa2O5S2
Molar mass190.11 g/mol
HS code28321010
InChIKeyHRZFUMHJMZEROT-UHFFFAOYSA-L

About Sodium Metabisulfite, food grade (FCC)

Researchers and plant chemists source Sodium Metabisulfite, food grade (FCC) from Zemixal for routine and specialised work. Key data (Food Grade): CAS 7681-57-4, formula Na2O5S2 and molar mass 190.11 g/mol.

Common uses in the lab and plant

  • Food & flavour applications
  • Materials research

Storage and safety notes

Hazard communication follows GHS (Danger: H302 and H318). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 500 g, 1 kg, 5 kg and 25 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Food & flavour applications
  • Materials research

Applications

Research Labs and Universities

Grade guides

Food Grade (FCC)

Specifications and identifiers

Specifications of Sodium Metabisulfite, food grade (FCC)
Product nameSodium Metabisulfite, food grade (FCC)
Catalogue numberZX-037070
CAS number7681-57-4
Molecular formulaNa2O5S2
Molar mass190.11 g/mol
Exact mass189.8983
GradeFood Grade
H-bond donors / acceptors0 / 6
Topological polar surface area125 Ų
HS code28321010
InChIKeyHRZFUMHJMZEROT-UHFFFAOYSA-L
SMILES[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]
PubChem CID656671
SynonymsSodium pyrosulfite, Sodium disulfite, Disodium pyrosulfite, Natrii disulfis, Disodium metabisulfite, Natrium pyrosulfit, sodium pyrosulphite, Sodium bisulfite anhydrous, Natrium metabisulfurosum, Sodium pyrosulfite (Na2S2O5), Disodium pentaoxodisulfate, INS NO.223

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H302Harmful if swallowed
  • H318Causes serious eye damage

Precautionary statements P264, P264 + P265, P270, P280, P301 + P317, P305 + P354 + P338, P317, P330, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Sodium Metabisulfite, food grade (FCC)
500 gQuoted on request
1 kgQuoted on request
5 kgQuoted on request
25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Sodium Metabisulfite, food grade (FCC)

Which CAS number identifies Sodium Metabisulfite, food grade (FCC)?
Sodium Metabisulfite, food grade (FCC) is registered under CAS 7681-57-4. You may also see it listed as Sodium pyrosulfite, Sodium disulfite, Disodium pyrosulfite. Our catalogue number for this item is ZX-037070.
What are the formula and molar mass of Sodium Metabisulfite, food grade (FCC)?
For Sodium Metabisulfite, food grade (FCC), its formula is Na2O5S2 and its molar mass is 190.11 g/mol. InChIKey HRZFUMHJMZEROT-UHFFFAOYSA-L lets you match it in any structure database.
What grade and pack sizes are available for Sodium Metabisulfite, food grade (FCC)?
This listing is Food Grade. Standard packs are 500 g, 1 kg, 5 kg, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Sodium Metabisulfite, food grade (FCC)?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Sodium Metabisulfite, food grade (FCC) to my country?
Yes. Because Sodium Metabisulfite, food grade (FCC) is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 7681-57-4

All 7 grades

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