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Congo Red

CAS No.573-58-0CAS index

    Dye for amyloid staining and as an acid-base indicator. Available in 5 grades and pack options – see the table below.

    PriceOn requestPrices vary by brand, grade, pack size & quantity.
    • Genuine product via authorised channel
    • Delivery in Hyderabad & pan-India dispatch
    • GST invoice · bulk & tender pricing

    Ordering information

    Product / gradePack sizesQuote
    Congo Red25 gQuote
    Congo red, certified25 g, 100 g, 1 kgQuote
    Congo red, indicator25 g, 100 g, 250 g, 1 kg, 25 kgQuote
    Congo red, papers—Quote
    Congo red, solution125 ml, 5 lt, 25 ltQuote

    Specifications

    CAS number573-58-0
    SynonymsCongo Red 4B, Cosmos Red, Cotton Red B, Cotton Red C, Direct Red 28, Direct Red R, Direct Red Y
    Molecular formulaC32H22N6Na2O6S2
    Molecular weight696.66 g/mol
    HSN code32041421
    CategoryIndicators, Stains & Dyes
    pH range3.0–5.2

    Specifications are indicative. Exact assay, pack and catalogue details depend on the batch supplied – CoA / MSDS available on request.

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