Potassium metabisulphite, BP/USP/EP/Ph. Eur., AR, food grade (FCC)
Buy Potassium metabisulphite, BP/USP/EP/Ph. Eur., AR, food grade (FCC) (CAS 16731-55-8) from Zemixal: K2O5S2, COA and SDS with every lot, worldwide shipping.
About Potassium metabisulphite, BP/USP/EP/Ph. Eur., AR, food grade (FCC)
Zemixal supplies Potassium metabisulphite, BP/USP/EP/Ph. Eur., AR, food grade (FCC) within its inorganic Chemicals, Metals & Advanced Materials portfolio. Identity at a glance (BP/USP/EP/Ph. Eur. / AR / Food Grade): CAS 16731-55-8, formula K2O5S2 and molar mass 222.33 g/mol.
Common uses in the lab and plant
- Materials research
- Chemical synthesis
Handling and storage
It carries the GHS signal word Danger (H315, H318 and H335), so wear gloves and eye protection and work with good ventilation.
Order it in 500 g and 50 kg packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Materials research
- Chemical synthesis
Applications
Grade guides
Specifications and identifiers
| Product name | Potassium metabisulphite, BP/USP/EP/Ph. Eur., AR, food grade (FCC) |
|---|---|
| Catalogue number | ZX-038712 |
| CAS number | 16731-55-8 |
| Molecular formula | K2O5S2 |
| Molar mass | 222.33 g/mol |
| Exact mass | 221.8461 |
| Grade | BP/USP/EP/Ph. Eur. / AR / Food Grade |
| H-bond donors / acceptors | 0 / 6 |
| Topological polar surface area | 125 Ų |
| HS code | 28322010 |
| InChIKey | RWPGFSMJFRPDDP-UHFFFAOYSA-L |
| SMILES | [O-]S(=O)S(=O)(=O)[O-].[K+].[K+] |
| PubChem CID | 28019 |
| Synonyms | Potassium disulfite, Dipotassium pyrosulfite, Dipotassium disulfite, Dipotassium metabisulfite, Potassium disulfite (K2S2O5), Potassium pentaoxodisulfate, Pyrosulfurous acid, dipotassium salt, Ins-224, Potassium metabisulfite (e 224), Potassium pyrosulfite, Disulfurous acid, potassium salt (1:2), Potassium metabisulfite [NF] |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P332 + P317, P362 + P364, P403 + P233, P405, 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
| 500 g | Quoted on request | |
| 50 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Potassium metabisulphite, BP/USP/EP/Ph. Eur., AR, food grade (FCC)
Which CAS number identifies Potassium metabisulphite, BP/USP/EP/Ph. Eur., AR, food grade (FCC)?
What are the formula and molar mass of Potassium metabisulphite, BP/USP/EP/Ph. Eur., AR, food grade (FCC)?
What grade and pack sizes are available for Potassium metabisulphite, BP/USP/EP/Ph. Eur., AR, food grade (FCC)?
Which documents come with Potassium metabisulphite, BP/USP/EP/Ph. Eur., AR, food grade (FCC)?
Can Zemixal ship Potassium metabisulphite, BP/USP/EP/Ph. Eur., AR, food grade (FCC) to my country?
Other grades with CAS 16731-55-8
Related products
More in Alkali Metal Compounds (Li, Na, K, Rb, Cs)
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.