| Identification | Back Directory | [Name]
2-Amino-5-hydroxynaphthalene-4,8-disulfonic acid | [CAS]
74832-35-2 | [Synonyms]
1,5-Naphthalenedisulfonic acid, 3-amino-8-hydroxy- | [Molecular Formula]
C10H9NO7S2 | [MOL File]
74832-35-2.mol | [Molecular Weight]
319.311 |
| Hazard Information | Back Directory | [Production Methods]
3,8-Diaminonaphthalene-1,5- disulfonic acid is monoacetylated in aqueous solution, and the free amino group is diazotized. The diazo compound is added to dilute sulfuric acid at 100℃ to hydrolyze both the diazo and the acetylamino groups.
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