| Chemical Name | 3-Hydroxy-4-[[3-methyl-1-(3-sulfophenyl)-5-hydroxy-4-pyrazolyl]azo]-1-naphthalenesulfonic acid |
| C.I. No. | 18810 |
| CAS No. | 52677-44-8 |
| Structure | ![3-Hydroxy-4-[[3-methyl-1-(3-sulfophenyl)-5-hydroxy-4-pyrazolyl]azo]-1-naphthalenesulfonic acid](https://sp-ao.shortpixel.ai/client/to_webp,q_glossy,ret_img,w_126,h_75/https://dyeschemical.com/dyesadmin/uploads/structure/Acid-Red-186.gif) |
| Specification | Molecular Formula : C20H14N4O8S2.2Na Molecular Weight : 548.46 |
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