JPS51115455A - Process for preparation of high purity 1-nitro anthraguinone - Google Patents

Process for preparation of high purity 1-nitro anthraguinone

Info

Publication number
JPS51115455A
JPS51115455A JP4100975A JP4100975A JPS51115455A JP S51115455 A JPS51115455 A JP S51115455A JP 4100975 A JP4100975 A JP 4100975A JP 4100975 A JP4100975 A JP 4100975A JP S51115455 A JPS51115455 A JP S51115455A
Authority
JP
Japan
Prior art keywords
anthraguinone
nitro
preparation
high purity
griding
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
JP4100975A
Other languages
Japanese (ja)
Inventor
Akira Fukazawa
Shinzaburo Masaki
Eiji Yamada
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 JP4100975A priority Critical patent/JPS51115455A/en
Priority to US05/625,475 priority patent/US4045454A/en
Priority to GB4391375A priority patent/GB1497911A/en
Publication of JPS51115455A publication Critical patent/JPS51115455A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: 1-Nitroanthraquinone, an important intermediates of anthraquinone dyes, is purified by first griding and then treating with aqueous sulfurous alkali solution in the presence of surfactant.
COPYRIGHT: (C)1976,JPO&Japio
JP4100975A 1974-10-25 1975-04-03 Process for preparation of high purity 1-nitro anthraguinone Pending JPS51115455A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP4100975A JPS51115455A (en) 1975-04-03 1975-04-03 Process for preparation of high purity 1-nitro anthraguinone
US05/625,475 US4045454A (en) 1974-10-25 1975-10-24 Production of 1-nitroanthraquinone and 1-aminoanthraquinone
GB4391375A GB1497911A (en) 1974-10-25 1975-10-24 Production of 1-nitroanthraquinone and 1-aminoanthraquinone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4100975A JPS51115455A (en) 1975-04-03 1975-04-03 Process for preparation of high purity 1-nitro anthraguinone

Publications (1)

Publication Number Publication Date
JPS51115455A true JPS51115455A (en) 1976-10-12

Family

ID=12596380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4100975A Pending JPS51115455A (en) 1974-10-25 1975-04-03 Process for preparation of high purity 1-nitro anthraguinone

Country Status (1)

Country Link
JP (1) JPS51115455A (en)

Similar Documents

Publication Publication Date Title
IT1050327B (en) STABLE CONCENTRATED SOLUTIONS OF DYES CONTAINING SULPHONIC GROUPS PROCESS FOR THEIR PREPARATION AND USE
JPS5223020A (en) Process for preparation of fluorocompound containing oxygen
JPS51115455A (en) Process for preparation of high purity 1-nitro anthraguinone
JPS5257130A (en) Process for preparation of methylphenols
JPS525727A (en) Process for preparation of alpha,alpha-dichloro-o-toluic acid
JPS51123885A (en) Process for purifying urokinase
JPS51118754A (en) Process for preparation of anthraquinone
JPS52796A (en) Purification process of solution of sodium hypochlorite
JPS5346916A (en) Preparation of hydroxyacetic acid
JPS5382764A (en) Preparation of benzanthrone
JPS5212146A (en) Process for preparation of p- acetylaminobenzene-sufonylchloride
JPS52797A (en) Purification process of solution of sodium hypochlorite
JPS52128290A (en) Preparation of acylpeptides
JPS5248601A (en) Process for preparation of amino acids
JPS5249641A (en) Process for fit-work of sheet glass
JPS53133230A (en) Preparation of anthraquinone intermediate
JPS5233670A (en) Process for preparation of saccharin
JPS5239663A (en) Process for preparing 1- nitroanthraquinone
JPS5315384A (en) Preparation of methylpiperazinones
JPS528032A (en) Preparation of 1,4-diaminoanthraquinone- 2-sulfonic acid
JPS527950A (en) Preparation of ursodeoxycholic acid
JPS5219648A (en) Preparation of 1-nitroanthraquinone
JPS5395955A (en) Preparation of 1,5-and 1,8-dinitroanthraquinone
GB1418160A (en) Process for the preparation of pure 1-nitroanthraquinone
JPS5231036A (en) Process for reduction of ferric-edta complex