Sodium naphthionate → 4-Amino-1-naphthalenesulfonic acid

HRID 1183755

반응식

HRID 1183755 반응식
[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]

참가 물질

3

반응물 1

HCID 23665720Sodium naphthionate

생성물 1

HCID 67904-Amino-1-naphthalenesulfonic acid

시약·촉매·용매 1

HCID 962Water용매

실험 절차

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.

후처리

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

출처 및 근거

ORD 기록
ord-70ff0f8d3e774f309080fa0a6d92b771
출처 데이터셋
uspto-grants-2014_03
특허 번호
US08664371B2

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