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Synonyms: Congo Red 4B, Cosmos Red, Cotton Red B, Cotton Red C, Direct Red 28, Direct Red R, Direct Red Y
Congo red is the sodium salt, It is a secondary diazo dye. Congo red is water-soluble, yielding a red colloidal solution; its solubility is better in organic solvents such as ethanol.
C 5711 (OTTO) Congo red, certified Cas 573-58-0 - used to stain microscopic preparates, especially as a cytoplasm and erythrocyte stain.
WGK Germany 3
Certificate Of Analysis
(For eg. B 1615-0108)
Other Documents
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553-24-2
Neutral red, GR
82-76-8
8-Anilino-1-naphthalenesulphonic acid, 98%
2150-48-3
Pyronin B
31643-49-9
4-Nitrophthalonitrile, 99%
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DisclaimerThe above particulars do not release the customer from the obligation to carry out an inspection of goods received. Not for medical, household or any other uses, for lab use only, Please test before use.