Sodium naphthionate → 4-Amino-1-naphthalenesulfonic acid

HRID 1183755

反応式

HRID 1183755 の反応式
[Na+].[S:2]([O-:16])(=[O:15])([C:4]1[C:14]2[C:9](=[CH:10][CH:11]=[CH:12][CH:13]=2)[C:7]([NH2:8])=[CH:6][CH:5]=1)=[O:3]>O>[S:2]([OH:16])(=[O:15])([C:4]1[C:14]2[C:9](=[CH:10][CH:11]=[CH:12][CH:13]=2)[C:7]([NH2:8])=[CH:6][CH:5]=1)=[O:3]

参加物

3

反応物 1

HCID 23665720Sodium naphthionate

生成物 1

HCID 67904-Amino-1-naphthalenesulfonic acid

試薬・触媒・溶媒 1

HCID 962Water溶媒

実験手順

In a large beaker, add naphthionic acid sodium salt and water and stir to complete solution, pH=9.2-9.4. Slowly add hydrochloric acid, and white precipitation occurs at pH=2.2-2.4. Stir the slurry for at least 4 hours, then filter the slurry. Use the wetcake in Stage 2.

後処理

  1. customSlowly add hydrochloric acid, and white precipitation
  2. stirringStir the slurry for at least 4 hours
  3. filtrationfilter the slurry

出典と根拠

ORDレコード
ord-70ff0f8d3e774f309080fa0a6d92b771
出典データセット
uspto-grants-2014_03
特許番号
US08664371B2

関連ノート

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