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JPS5377024A - Purification of aromatic amines - Google Patents

Purification of aromatic amines

Info

Publication number
JPS5377024A
JPS5377024A JP15074276A JP15074276A JPS5377024A JP S5377024 A JPS5377024 A JP S5377024A JP 15074276 A JP15074276 A JP 15074276A JP 15074276 A JP15074276 A JP 15074276A JP S5377024 A JPS5377024 A JP S5377024A
Authority
JP
Japan
Prior art keywords
aromatic amines
purification
zinc salt
impurties
months
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
JP15074276A
Other languages
Japanese (ja)
Other versions
JPS6042230B2 (en
Inventor
Teruyuki Nagata
Hiroshi Hirai
Ryuichi Yamamoto
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 JP15074276A priority Critical patent/JPS6042230B2/en
Publication of JPS5377024A publication Critical patent/JPS5377024A/en
Publication of JPS6042230B2 publication Critical patent/JPS6042230B2/en
Expired legal-status Critical Current

Links

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

Abstract

PURPOSE: To prepare high purity aromatic amines stable for more than 3 months, by distilling aromatic amines either in the presence of an inorganic zinc salt or after heat treatment in the presence of the zinc salt, thereby removing the colored impurties.
COPYRIGHT: (C)1978,JPO&Japio
JP15074276A 1976-12-17 1976-12-17 Purification method for aromatic amines Expired JPS6042230B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15074276A JPS6042230B2 (en) 1976-12-17 1976-12-17 Purification method for aromatic amines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15074276A JPS6042230B2 (en) 1976-12-17 1976-12-17 Purification method for aromatic amines

Publications (2)

Publication Number Publication Date
JPS5377024A true JPS5377024A (en) 1978-07-08
JPS6042230B2 JPS6042230B2 (en) 1985-09-20

Family

ID=15503413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15074276A Expired JPS6042230B2 (en) 1976-12-17 1976-12-17 Purification method for aromatic amines

Country Status (1)

Country Link
JP (1) JPS6042230B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376216A (en) * 1980-08-12 1983-03-08 Agfa-Gevaert Ag Process for the purification of photographic developer substances
CN110627658A (en) * 2018-06-25 2019-12-31 中国石油化工股份有限公司 Method for prolonging storage period of p-phenylenediamine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376216A (en) * 1980-08-12 1983-03-08 Agfa-Gevaert Ag Process for the purification of photographic developer substances
CN110627658A (en) * 2018-06-25 2019-12-31 中国石油化工股份有限公司 Method for prolonging storage period of p-phenylenediamine

Also Published As

Publication number Publication date
JPS6042230B2 (en) 1985-09-20

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