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Potassium disulfite

CAS 16731-55-8K2S2O5Chemical Synthesis

Potassium disulfite (CAS: 16731-55-8), with the chemical formula K2S2O5, is an inorganic salt serving as a versatile reagent. Its primary function lies in its reducing properties and as a source of sulfur dioxide. It is widely employed in chemical synthesis and as an essential component in various industrial processes where its specific chemical reactivity is required. Supplied by Tech Serve Solutions, it meets stringent quality standards for laboratory and industrial applications.

IUPAC
Potassium metabisulfite,Potassium pyrosulfite
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Potassium disulfite (K2S2O5) — chemical structure, CAS 16731-55-8; Chemistry, fine chemical supplied by Tech Serve Solutions
Chemical SynthesisEssential ChemicalsInorganic SaltsPotassiumPotassium SaltsResearch EssentialsSaltsSynthetic Reagents More...
01 /Applications

Chemical Synthesis

Potassium disulfite acts as a reducing agent and a source of sulfur dioxide in organic and inorganic synthesis. It is valuable for introducing sulfur functionalities or for controlling redox reactions in various synthetic pathways.

Industrial Processes

This compound finds application in industrial settings where its properties as a preservative or a bleaching agent are beneficial. It is also used in water treatment and as a component in photographic developers.

Laboratory Reagent

As a common laboratory chemical, Potassium disulfite is used for analytical purposes and in research and development activities. Its well-defined chemical properties make it a reliable reagent for various experimental setups.

02 /Properties
Molecular weight222.32
Linear formulaK2S2O5
Assay98%
03 /Safety & handling
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
Danger

Hazard statements

  • H318Causes serious eye damage

Precautionary statements

  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
Protective equipmentdust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)1
Hazard codes (EU)Xi
Risk statements (R)31-41
Safety statements (S)26-39
Supplemental hazardsContact with acids liberates toxic gas.

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
16731-55-8
MDL number
MFCD00167605
PubChem substance
24898332
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Potassium disulfite used for?

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Potassium disulfite (CAS: 16731-55-8) is used in chemical synthesis as a reducing agent and a source of sulfur dioxide, and in various industrial applications such as preservation, bleaching, and water treatment.

What are the CAS number and formula for Potassium disulfite?

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The CAS number for Potassium disulfite is 16731-55-8 and its chemical formula is K2S2O5.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Potassium disulfite with an assay of 98%. We do not represent this product as USP, BP, or EP grade; it is supplied for technical and research purposes.

How should Potassium disulfite be handled safely?

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Potassium disulfite presents hazards including serious eye damage (H318) and liberates toxic gas upon contact with acids. Handle with a dust mask (N95), eyeshields, gloves, and ensure good ventilation. Avoid contact with acids.

How is Potassium disulfite packed and shipped?

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Potassium disulfite is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical products.

How can I request a quote or sample for Potassium disulfite?

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To request a quote or a sample of Potassium disulfite, please contact our sales team through the website or by phone, providing your specific requirements.

Need Potassium disulfite in a specific grade or volume?