JPS5233661A - Process for preparation of 2-naphthol-3,6_disulfonic acid salts - Google Patents

Process for preparation of 2-naphthol-3,6_disulfonic acid salts

Info

Publication number
JPS5233661A
JPS5233661A JP10974275A JP10974275A JPS5233661A JP S5233661 A JPS5233661 A JP S5233661A JP 10974275 A JP10974275 A JP 10974275A JP 10974275 A JP10974275 A JP 10974275A JP S5233661 A JPS5233661 A JP S5233661A
Authority
JP
Japan
Prior art keywords
naphthol
preparation
acid salts
disulfonic acid
useful
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10974275A
Other languages
Japanese (ja)
Inventor
Hiromichi Okabe
Yasumasa Ueno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP10974275A priority Critical patent/JPS5233661A/en
Publication of JPS5233661A publication Critical patent/JPS5233661A/en
Pending legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: The title compounds, useful as intermediates of dyes and coloring materials for food additives, and useful as reagents for sensitized papers, are prepared in high yield with reusing the sulfonic residue in the reaction.
COPYRIGHT: (C)1977,JPO&Japio
JP10974275A 1975-09-09 1975-09-09 Process for preparation of 2-naphthol-3,6_disulfonic acid salts Pending JPS5233661A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10974275A JPS5233661A (en) 1975-09-09 1975-09-09 Process for preparation of 2-naphthol-3,6_disulfonic acid salts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10974275A JPS5233661A (en) 1975-09-09 1975-09-09 Process for preparation of 2-naphthol-3,6_disulfonic acid salts

Publications (1)

Publication Number Publication Date
JPS5233661A true JPS5233661A (en) 1977-03-14

Family

ID=14518084

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10974275A Pending JPS5233661A (en) 1975-09-09 1975-09-09 Process for preparation of 2-naphthol-3,6_disulfonic acid salts

Country Status (1)

Country Link
JP (1) JPS5233661A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107963986A (en) * 2017-11-30 2018-04-27 浙江龙盛化工研究有限公司 A kind of method of co-producing high-purity Xue Fo Shi salt and G salt
CN108358819A (en) * 2018-03-14 2018-08-03 荆门市熊兴化工有限公司 A method of it is produced from K acid and recycles R salt in mother liquor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107963986A (en) * 2017-11-30 2018-04-27 浙江龙盛化工研究有限公司 A kind of method of co-producing high-purity Xue Fo Shi salt and G salt
CN108358819A (en) * 2018-03-14 2018-08-03 荆门市熊兴化工有限公司 A method of it is produced from K acid and recycles R salt in mother liquor
CN108358819B (en) * 2018-03-14 2020-11-13 荆门市丽康源纺织科技有限公司 Method for recovering R salt from K acid production mother liquor

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