Citric Acid 20% w/v

Citric Acid 20% w/v



From: £50.90

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Why Buy Citric Acid 20% w/v Online from ReAgent Chemicals?

At ReAgent, we supply Citric acid 20% w/v in 5L containers, with discounts available for bulk orders above 4 items. Our product is sold as citric acid monohydrate 19-21%, as described in the product specification.

Citric Acid Throughout History

The acidity of citrus fruits – lemons and oranges – has long been known. It’s believed the first reference to citric acid was from the 13th century in an encyclopedia titled “The Great Mirror” organised by Vincent de Beauvais.

However, it wasn’t until 1784 that Carl Scheele was able to isolate and purify this compound from lemon juice, and it took a further 100 years for its production to reach large industrial scale, initially based on the Italian citrus fruit industry.

Using Mould

At around the same time, C Wehmer discovered that certain types of mould – in particular, Penicillium – are able to synthesise citric acid from sugar, but this process only started to be used during the First World War, when this conflict disrupted citrus exports from Italy. This mechanism was further explored by James Currie and company Pfizer, finally using it on a large scale to synthesise citric acid.

This mould-based process is still used today, relying on cultures of Aspergillus niger mixed with sucrose and glucose to synthesise citric acid. Usually, cheap sources of sugar are used, such as molasses, corn starch or other sugary by-products. Once the process is completed, the bacteria are filtered out of the solution, and calcium hydroxide is added to produce calcium citrate. The final step involves treating with sulphuric acid to precipitate citric acid.

Friendly Service

At ReAgent, we are very proud of our friendly customer service. A member of staff will be glad to help you before, during and after your purchase to ensure you’re happy with our products. In addition, we offer free technical advice to answer all your questions. Contact us for further information.




MSDS Files

The following files are available to download:

Product IDProductpost_statusBulkDownload SDS File
3375Citric Acid 20% w/vpublish1758 - 1758 - SDS10244.pdf

Please note: we only deliver to registered UK businesses at non-residential addresses with a minimum order value of £100 before VAT

We only supply to mainland UK, contact us on 0800 990 3258 for rates to Ireland.

Please notify us if you have specific delivery requirements such as restricted access, requirement for a tail-lift delivery vehicle or pallet truck. Failure to notify us of a special delivery instructions can incur additional charges from our carriers.

0800 990 3258