| Company Name: |
Nanjing King-pharm Co.,LTD.
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| Tel: |
025-58748998 18951874644 |
| Email: |
elsa.cheng@chemsigma.com |
| Products Intro: |
CAS:2672-81-3
Purity:95% Package:1KG; 25KG Remarks:1kg
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| | naphthol AS-S Basic information |
| Product Name: | naphthol AS-S | | Synonyms: | 3-hydroxy-N-(2-methoxydibenzofuran-3-yl)-2-naphthamide;naphthol AS-S;3-hydroxy-N-(2-methoxy-3-dibenzofuranyl)-2-Naphthalenecarboxamide;2-Naphthalenecarboxamide, 3-hydroxy-N-(2-methoxy-3-dibenzofuranyl);C.I.Azoic Coupling Component 32;Naphtanilide S;Naphtol AS-S;3-hydroxy-N-(2-methoxydibenzofuran-3-yl)naphthalene-2-carboxamide | | CAS: | 2672-81-3 | | MF: | C24H17NO4 | | MW: | 383.39608 | | EINECS: | 2202176 | | Product Categories: | | | Mol File: | 2672-81-3.mol |  |
| | naphthol AS-S Chemical Properties |
| | naphthol AS-S Usage And Synthesis |
| Chemical Properties | Reddish light yellow powder. Melting point 207-211℃. Insoluble in water, soluble in pyridine. Dye is yellow solution in concentrated sulfuric acid; also yellow in sodium hydroxide; insoluble in sodium carbonate solution. Stable to air. | | Preparation | 2-Amino-3-methoxydibenzofuran?with 3-Hydroxy-2-naphthoic acid condensation. | | Properties and Applications | Soluble in pyridine, insoluble in water. The strong sulfuric acid for yellow; In sodium hydroxide solution for yellow; Sodium carbonate in solution not dissolve. Melting point for 207 ~ 211 ℃ |
| | naphthol AS-S Preparation Products And Raw materials |
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