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| product name | c.a.s.no | detail |
| 2-amino-4-nitrophenol | 99-57-0 | detail |
| n w acid | 84-87-7 | detail |
| tobias acid | 81-16-3 | detail |
| sulfo tobias acid | 117-62-4 | detail |
| j acid | 87-02-5 | detail |
| k acid (amino k acid) | 118-03-6 | detail |
| gamma acid | 90-51-7 | detail |
| 2-hydroxy naphthalene-3,6-disulfonic acid sodium salt (r salt) | 148-75-4 | detail |
| 2-hydroxy naphthalene-6-sulfonic acid sodium salt (schaffer salt) | 135-55-7 | detail |
| 1-acetyl amino-7-naphthol | 6470-18-4 | |
| 3-amino-4-hydroxybenzenesulfonamide | 98-32-8 | detail |
| 2-aminophenlo-4-sulfonamide | 88-21-1 | detail |
| 1,2-naphthoxydiazo-4-sulfonic acid（oxygen） | 887-76-3 | detail |
| 2-aminophenol-4-(2-carboxy)sulfonanilide | 91-35-0 | detail |
| chromium formate | 14639-25-9;15713-60-7 | detail |
| cobaltous chloride | 7646-79-9;1332-82-7 | detail |
| salicylic acid | 69-72-7 | detail |
| brilliant red developing base 4b | 97-52-9 | detail |
| 2-methoxy-5-nitro-benzenediazonium | 27165-17-9 | detail |
| sodium 2-amino-4-nitrophenol | 61702-43-0 | detail |
| 3-methyl-1-phenyl-2-pyrazolin-5-one | 89-25-8 | detail |
| chromium potassium sulfate dodecahydrate | 7788-99-0 | detail |
| 2,3-dihydroxy naphthalene-6-sulfonic acid sodium salt (dioxy r salt) | 135-53-5 | detail |
| 2,8-dihydroxy naphthalene-6-sulfonic acid sodium salt (dioxy g salt) | detail | |
| 2-hydroxy naphthalene-6,8-disulfonic acid potassium salt (g salt) | 118-32-1 | detail |
| sulfo j acid | 6535-70-2 | detail |
| methyl j acid | 22346-43-6 | detail |
| phenyl j acid | 119-40-4 | detail |
| acetyl j acid | 6334-97-0 | detail |
| sodium naphthionate | 130-13-2 | detail |