Name: E221 Preservative
Brand: Akshar Shop
SKU: E221PV

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E221 Preservative

Serial: E221PV

E221 is primarily used in the pulp and paper industry.

Last updated: 23 Oct 2026

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Why buy from Akshar Shop: COA / SDS on request · GST invoice with every order · dispatch from Kolkata, delivery across India.

Call us @ +91 92303 82749

About E221 Preservative

E221 is primarily used in the pulp and paper industry.

As an oxygen scavenger agent, it is used to treat water being fed to steam boilers to avoid corrosion problems, in the photographic industry, it protects developer solutions from oxidation and (as hypo clear solution) to wash fixer (sodium thiosulfate) from film and photo-paper emulsions.

As a reducing agent, it is used in the textile industry as a bleaching, desulfurizing, and dechlorinating agent (e.g. in swimming pools). Its reducing properties are exploited in its use as a preservative to prevent dried fruit from discoloring, and for preserving meats.

It is used as a reagent in sulfonation and sulfomethylation agent. It is used in the production of E221.

Need the grade, pack size or price? Send an enquiry or WhatsApp +91 92303 82749. COA and SDS are available on request.

Detailed specifications (assay, moisture, pH and so on) are shared with the quotation, along with the COA on request. Ask for specifications.