Sodium metabisulfite

Sodium metabisulfite CAS 7681-57-4 | High-Purity Supplier & Bulk Manufacturer

In StockBulk AvailableCustom Synthesis
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Product NameSodium metabisulfite
SynonymsSodium bisulfite, Sodium disulfite, Disodium disulfite, Sodium metasulfite, Sodium pyrosulfite
CAS Number7681-57-4
Catalog No.FT-0645096
Molecular FormulaNa2S2O5
Molecular Weight190.1100
IUPAC Namedisodium sulfinato sulfite
InChI KeyLDTLADDKFLAYJA-UHFFFAOYSA-L
Purity / Grade99%
CategoryChemical Reagents
Supply Scalegram – kilogram – bulk
DocumentationCOA, SDS, HPLC, NMR, MS (on request)
Custom SynthesisAvailable
ShippingWorldwide
chemical structure of 7681-57-4 FT-0645096

Request Sodium metabisulfite (CAS 7681-57-4)

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  • High-purity grades, COA & SDS included
  • Gram to kilogram & bulk quantities
  • Custom synthesis & scale-up
  • Worldwide compliant shipping

Sodium metabisulfite Overview

Sodium metabisulfite (CAS 7681-57-4) is a high-purity fine chemical and pharmaceutical intermediate supplied by Finetech Industry Limited for scientific research and product development. It has the molecular formula Na2S2O5 and a molecular weight of 190.1100. It is offered as a well-defined building block and reference compound for laboratory research and analytical applications.

Finetech Industry Limited manufactures and supplies Sodium metabisulfite in high-purity grades, supporting pharmaceutical companies, contract research organizations, academic laboratories and industrial customers. Supply capacities range from gram quantities to kilogram and bulk production, with custom synthesis available for non-catalog analogs and scale-up. The exact purity and specification are stated on the Certificate of Analysis for each batch.

Applications of Sodium metabisulfite

Laboratory research

Used as a well-characterized laboratory reagent in research studies and product development, where batch-to-batch consistency matters.

Analytical reference

Suitable as an analytical reference material for method development, calibration and quality control.

Building block

Serves as a building block and intermediate in synthetic and analytical work, with custom quantities available on request.

Supplied as a general research reagent and intermediate for scientific research, analytical, industrial and commercial product-development applications, according to the product grade and the customer's intended use. Please confirm the applicable specification and intended-use requirements when requesting a quote.

Bulk Supply & Packaging

Finetech Industry Limited supplies Sodium metabisulfite for research and larger-scale requirements with flexible packaging and scalable manufacturing.

1 g5 g25 g100 g1 kgBulk / custom

Each shipment includes a COA, SDS, batch traceability and secure protective packaging. Customized packaging and labeling are available on request.

Supply Capabilities

Scale

  • Gram scale
  • Kilogram scale
  • Multi-kg / bulk
  • Custom / MT on request

Documentation

  • COA
  • SDS
  • HPLC / GC
  • NMR / MS

Manufacturing

  • Custom synthesis
  • Process development
  • Scale-up
  • Pilot production

Shipping

  • North America
  • Europe
  • Asia / Middle East
  • Oceania

Sodium metabisulfite FAQ

What is the CAS number of Sodium metabisulfite?

The CAS number of Sodium metabisulfite is 7681-57-4. Its molecular formula is Na2S2O5 and molecular weight is 190.1100.

What purity of Sodium metabisulfite does Finetech Industry Limited supply?

Finetech Industry Limited supplies Sodium metabisulfite in high-purity grades. The exact purity is stated on the Certificate of Analysis for each batch and can be confirmed before ordering.

Can Finetech Industry Limited supply Sodium metabisulfite in bulk?

Yes. Finetech Industry Limited supplies Sodium metabisulfite from gram quantities to kilogram and bulk scale, and offers custom synthesis and scale-up.

Do you provide COA and SDS for Sodium metabisulfite?

Yes. Every shipment includes a COA and SDS, with HPLC, NMR and MS data available on request.

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