QEMIX supplies the CoA matching the lot actually shipped, together with the official technical documentation issued by the manufacturer.
Congo red (C.I. 22120)
| SKU | Pack size | Availability | Price |
|---|---|---|---|
| 1013400025 | 25 g | Backorder | Request a quote |
Congo red (C.I. 22120) – formula C32H22N6Na2O6S2, CAS 573-58-0, molecular weight 696.66 g/mol – is a laboratory chemical in the Indicators group from Merck (Germany). Specification: grade Laboratory Grade, pack size 25 g. It is commonly used for physico-chemical analysis, titration, sample preparation and QC testing. QEMIX supplies genuine Congo red (C.I. 22120) with full COA/SDS, Quick Quote and nationwide delivery in Vietnam. Contact us for partner pricing and technical support.

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