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Agarose Ultrapure

Agarose Ultrapure

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Agarose is a highly purified linear galactan hydrocolloid isolated from seaweed Gelidium species which forms a firm gel matrix with a high strength at low concentrations making it ideal for diffusion and electrokinetic movement of biopolymers such as DNA and RNA. Our Agarose Ultrapure is recommended for electrophoresis of nucleic acids > 1000 bp. It is manufactured and quality controlled specifically to meet the stringent requirements associated with nucleic acid applications.

Appearance Powder
Colour White or off-white powder
Endonuclease/ligase inhibitory factor Negative
Gel Strength (1.0% Gel) =>1200 g/cm2
EEO (Electroendosmosis(-Mr) <= 0.13
Water <= 10.0%
Sulfate <= 0.15%
Ash <= 0.5%
DNase Negative
RNase Negative
Protease Negative
Melting Point °C 88 ± 1.5°C
Gelling Point °C 36 ± 1.5°C
Solubility (1% water) Clear colourless solution

CAS No. 9012-36-6


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Agarose unique characteristics

Agarose forms a 3D gel matrix of helical agarose molecules in supercoiled bundles. Each bundle is held by hydrogen bonds, with channels and pores through which molecules are able to migrate. The gel structure contains uniform pore sizes, allowing for the separation of biomolecules based on their size, charge, or affinity. This makes Agarose a crucial component in gel electrophoresis, used to separate and analyse DNA, RNA, and proteins based on their size and charge.

Agarose gels are transparent in appearance, allowing for visual analysis of separated molecules in gel electrophoresis without the need for staining or additional treatment. The gels also maintain their structure, even at relatively high temperatures, making them suitable for applications that involve heat, such as PCR (polymerase chain reaction) analysis of short synthetic DNA fragments.

Agarose is also biologically compatible with living cells, making it suitable for biological applications such as tissue engineering, where it serves as a scaffold for cell growth. Their biocompatibility and ability to mimic certain aspects of the extracellular matrix make them useful for growing cells in three-dimensional environments, aiding in tissue regeneration research.

Other Industries and applications

Agarose possesses several key characteristics that make it highly valuable in various research applications and finds extensive use across a wide range of other industries including microbiology, pharmaceuticals, and tissue engineering. Due to its thickening properties it also used in the food and cosmetics industries.

Requesting a Quote

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Orders within the UK

Orders within the UK with an order value of £300 or more (excluding VAT) will be delivered free of charge. 
Orders within the UK with an order value of less than £300 (excluding VAT) will be charged delivery of £13.50. 

Orders from the European Union

The cost of shipping orders will vary by destination and weight. 
All freight and transportation charges will be quoted in advance and are clearly indicated on the invoice. 

Orders from the US

Deliveries to the US start from less than $32. Formedium can assist you with or organise your US import permits. 
All freight charges are based on weight of order. Import tax is the responsibility of the purchaser and their clearing agents. 

Orders from the rest of the world

Formedium deliver worldwide. Customs restrictions may apply so please do contact us if you have any queries. 
The cost of shipping orders will vary by destination and weight. 
All freight and transportation charges will be quoted in advance and are clearly indicated on the invoice.  Import tax is the responsibility of the purchaser and their clearing agents.

Being a producer of powdered media, Formedium Ltd has the knowledge, equipment and laboratories to produce custom made media according to the end users specifications.  If you are interested in the production of a custom made media, please complete the form below or alternatively contact us on 00 44 (0)1485 609069 or

We are pleased to offer unpublished discounts on large volume purchases, please email us at with your enquiry or complete the enquiry form below.

To review our research publications library where Formedium products have been used, please view the research publications page.

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