JPS5569531A - Purification of hydroquinone - Google Patents

Purification of hydroquinone

Info

Publication number
JPS5569531A
JPS5569531A JP14229378A JP14229378A JPS5569531A JP S5569531 A JPS5569531 A JP S5569531A JP 14229378 A JP14229378 A JP 14229378A JP 14229378 A JP14229378 A JP 14229378A JP S5569531 A JPS5569531 A JP S5569531A
Authority
JP
Japan
Prior art keywords
hydroquinone
strong acid
impurities
solvent
layer
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.)
Granted
Application number
JP14229378A
Other languages
English (en)
Other versions
JPS6042773B2 (ja
Inventor
Nobukatsu Kato
Tsutomu Takase
Yoshio Morimoto
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP14229378A priority Critical patent/JPS6042773B2/ja
Publication of JPS5569531A publication Critical patent/JPS5569531A/ja
Publication of JPS6042773B2 publication Critical patent/JPS6042773B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP14229378A 1978-11-20 1978-11-20 ヒドロキノンの精製方法 Expired JPS6042773B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14229378A JPS6042773B2 (ja) 1978-11-20 1978-11-20 ヒドロキノンの精製方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14229378A JPS6042773B2 (ja) 1978-11-20 1978-11-20 ヒドロキノンの精製方法

Publications (2)

Publication Number Publication Date
JPS5569531A true JPS5569531A (en) 1980-05-26
JPS6042773B2 JPS6042773B2 (ja) 1985-09-25

Family

ID=15312001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14229378A Expired JPS6042773B2 (ja) 1978-11-20 1978-11-20 ヒドロキノンの精製方法

Country Status (1)

Country Link
JP (1) JPS6042773B2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050019667A (ko) * 2003-08-20 2005-03-03 애경화학 주식회사 수산화-방향족 화합물의 분리방법
WO2006038893A1 (en) * 2004-10-06 2006-04-13 Agency For Science, Technology And Research Oxidation of phenolic compound with hydrogen peroxide generated in the presence of the phenolic compound
CN102503777A (zh) * 2011-10-20 2012-06-20 江苏瑞祥化工有限公司 一种对氨基苯酚重氮化水解法制备对苯二酚的后处理方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050019667A (ko) * 2003-08-20 2005-03-03 애경화학 주식회사 수산화-방향족 화합물의 분리방법
WO2006038893A1 (en) * 2004-10-06 2006-04-13 Agency For Science, Technology And Research Oxidation of phenolic compound with hydrogen peroxide generated in the presence of the phenolic compound
CN102503777A (zh) * 2011-10-20 2012-06-20 江苏瑞祥化工有限公司 一种对氨基苯酚重氮化水解法制备对苯二酚的后处理方法

Also Published As

Publication number Publication date
JPS6042773B2 (ja) 1985-09-25

Similar Documents

Publication Publication Date Title
JPS5569531A (en) Purification of hydroquinone
JPS54157529A (en) Recovery of resorcinol
JPS5553265A (en) Preparation of aromatic hydroperoxide
JPS5452043A (en) Preparation of peroxide
JPS5569530A (en) Preparation of hydroquinone
GB1519913A (en) Purification of naphthalene
JPS5569528A (en) Preparation of hydroquinone
JPS5639045A (en) Recovery of benzylbenzoate
JPS5732245A (en) Production of alpha,omega-alkanedicarboxylic acid
JPS5490133A (en) Preparation of ester
JPS5616478A (en) Purification of benztriazole
JPS56131540A (en) Preparation of p-nitroaniline
JPS5618605A (en) Epoxidation of polybutadiene
JPS54106488A (en) Purification for d-penicillamine
JPS55151548A (en) Production of guanidinocaproic ester
JPS54112833A (en) Purification of terephthalic acid
JPS5513245A (en) Preparation of m-aminoacetanilide
JPS5640640A (en) Purification of terephthalic acid
JPS5214739A (en) Process for recovery of terephthalic acid
JPS5562032A (en) Preparation of hydroquinone
JPS54119497A (en) N-acylamino-alpha-arylacetamidocephalosporin derivative
JPS5822137B2 (ja) P↓−バニリンの精製法
JPS55318A (en) Purification of 2,3-epoxy-2,3-dihydro-1,4-naphthoquinone
JPS5517308A (en) Preparation of terephthalic acid
JPS54156098A (en) Preparation of terephthalic acid having high purity and whiteness