Congo Red (Highly Pure)


Catalog Number: B2011302 (100 mg)
Congo Red (Highly Pure) is a high quality sodium salt of benzidinediazo-bis-1-naphtylamine-4-sulfonic acid. This product has been used as used to stain cytoplasm and erythrocytes. It has also been used in a wide array of other chemical and immunological applications. Custom bulk amounts of this product are available upon request.

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SKU: B2011302 Categories: , Tag:


Congo Red (Highly Pure)
Catalog number: B2011302
Lot number: Batch Dependent
Expiration Date: Batch dependent
Amount: 100 mg
Molecular Weight or Concentration: 696.7 g/mol
Supplied as: Lyophilized
Applications: used to stain cytoplasm and erythrocytes
Storage: -20 °C
Keywords: CRF, CR
Grade: Biotechnology grade. All products are highly pure. All solutions are made with Type I ultrapure water (resistivity >18 MΩ-cm) and are filtered through 0.22 um.

1: Yakupova EI, Bobyleva LG, Vikhlyantsev IM, Bobylev AG. Congo_Red and amyloids: history and relationship Biosci Rep. 2019 Jan 15;39(1):BSR20181415.
2: Jagusiak A, Rybarska J, Konieczny L, Piekarska B, Stopa B, Chłopaś K, Zemanem G, Roterman I. Amyloids, Congo_red and the apple-green effect Acta Biochim Pol. 2019 Mar 14;66(1):39-46.
3: Frid P, Anisimov SV, Popovic N. Congo_red and protein aggregation in neurodegenerative diseases Brain Res Rev. 2007 Jan;53(1):135-60.
4: Howie AJ. Origins of a pervasive, erroneous idea: The “green birefringence” of Congo red-stained amyloid Int J Exp Pathol. 2019 Aug;100(4):208-221.
5: Liu J, Wang N, Zhang H, Baeyens J. Adsorption of Congo red dye on Fe(x)Co(3-x)O(4) nanoparticles J Environ Manage. 2019 May 15;238:473-483.
6: Hou F, Wang D, Ma X, Fan L, Ding T, Ye X, Liu D. Enhanced adsorption of Congo red using chitin suspension after sonoenzymolysis Ultrason Sonochem. 2021 Jan;70:105327.
7: Espargaró A, Llabrés S, Saupe SJ, Curutchet C, Luque FJ, Sabaté R. On the Binding of Congo_Red to Amyloid Fibrils Angew Chem Int Ed Engl. 2020 May 18;59(21):8104-8107.
8: Arab C, El Kurdi R, Patra D. Efficient removal of Congo red using curcumin conjugated zinc oxide nanoparticles as new adsorbent complex Chemosphere. 2021 Aug;276:130158.
9: Lima DMCG, Costa TPC, Emri T, Pócsi I, Pupin B, Rangel DEN. Fungal tolerance to Congo_red, a cell wall integrity stress, as a promising indicator of ecological niche Fungal Biol. 2021 Aug;125(8):646-657.
10: Wang A, Liu C, Ge X, Meng W, Pi Y, Liu C. Enhanced removal of Congo red dye from aqueous solution by surface modified activated carbon with bacteria J Appl Microbiol. 2021 Nov;131(5):2270-2279.

Products Related to Congo Red (Highly Pure) can be found at Dyes

Additional information

Weight 48 oz
Dimensions 8 × 8 × 8 in

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4- Order by phone: 1-858-900-3210 (6 am – 8 pm PST).

5- Order by Text/SMS: 1-858-900-3210 (6 am – 8 pm PST).