GB1357280A - Purification of 2,3,5-trimethyl hydroquinone - Google Patents

Purification of 2,3,5-trimethyl hydroquinone

Info

Publication number
GB1357280A
GB1357280A GB4849072A GB4849072A GB1357280A GB 1357280 A GB1357280 A GB 1357280A GB 4849072 A GB4849072 A GB 4849072A GB 4849072 A GB4849072 A GB 4849072A GB 1357280 A GB1357280 A GB 1357280A
Authority
GB
United Kingdom
Prior art keywords
hydroquinone
trimethyl
purification
trimethyl hydroquinone
kuraray
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.)
Expired
Application number
GB4849072A
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.)
Kuraray Co Ltd
Original Assignee
Kuraray 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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Publication of GB1357280A publication Critical patent/GB1357280A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1357280 Purification of 2,3,5 - trimethyl hydroquinone KURARAY CO Ltd 20 Oct 1972 [5 Nov 1971] 48490/72 Heading C2C Crude 2,3,5 - trimethyl hydroquinone is purified by dissolving it in an organic solvent comprising an ester, a ketone, an ether or an aliphatic alcohol, then adding a liquid hydrocarbon (e.g. pentane, hexane, octane, cyclohexane, cyclohexene, benzene, toluene, xylene or a mixture thereof) to the solution to precipitate the crystalline 2,3,5-trimethyl hydroquinone and separating the crystals -of 2,3,5- trimethyl -hydroquinone.
GB4849072A 1971-11-05 1972-10-20 Purification of 2,3,5-trimethyl hydroquinone Expired GB1357280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8843871A JPS5126426B2 (en) 1971-11-05 1971-11-05

Publications (1)

Publication Number Publication Date
GB1357280A true GB1357280A (en) 1974-06-19

Family

ID=13942787

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4849072A Expired GB1357280A (en) 1971-11-05 1972-10-20 Purification of 2,3,5-trimethyl hydroquinone

Country Status (5)

Country Link
JP (1) JPS5126426B2 (en)
CH (1) CH554823A (en)
DE (1) DE2250065C3 (en)
FR (1) FR2158424B1 (en)
GB (1) GB1357280A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007126542A2 (en) * 2006-03-30 2007-11-08 Sabic Innovative Plastics Ip B.V. Method of purification of dihydric phenols
WO2007126483A1 (en) * 2006-03-30 2007-11-08 General Electric Company Method of purification of dihydric phenols
CN115043710A (en) * 2022-05-31 2022-09-13 武汉华尔生物科技有限公司 Method for purifying high-purity hydroquinone

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147625A (en) * 1978-04-26 1979-04-03 Continental Oil Company Method for clarifying discolored trimethylhydroquinone solutions
JPS6136236A (en) * 1984-07-30 1986-02-20 Kawasaki Kasei Chem Ltd Production of naphthohydroquinone
CN102659580B (en) * 2012-04-18 2014-01-15 天津大学 Preparation method and crystallization method of 2, 3, 5-tri-methyl hydroquinone diester new crystal

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007126542A2 (en) * 2006-03-30 2007-11-08 Sabic Innovative Plastics Ip B.V. Method of purification of dihydric phenols
WO2007126483A1 (en) * 2006-03-30 2007-11-08 General Electric Company Method of purification of dihydric phenols
WO2007126542A3 (en) * 2006-03-30 2007-12-21 Gen Electric Method of purification of dihydric phenols
US7528210B2 (en) 2006-03-30 2009-05-05 Sabic Innovative Plastics Ip B.V. Method of purification of dihydric phenols
US7541417B2 (en) 2006-03-30 2009-06-02 Sabic Innovative Plastics Ip B.V. Process for the purification of dihydric phenols
CN115043710A (en) * 2022-05-31 2022-09-13 武汉华尔生物科技有限公司 Method for purifying high-purity hydroquinone
CN115043710B (en) * 2022-05-31 2024-03-12 武汉华尔生物科技有限公司 Purification method of high-purity hydroquinone

Also Published As

Publication number Publication date
CH554823A (en) 1974-10-15
JPS4852729A (en) 1973-07-24
DE2250065C3 (en) 1979-10-04
DE2250065B2 (en) 1979-02-15
JPS5126426B2 (en) 1976-08-06
FR2158424B1 (en) 1975-03-28
DE2250065A1 (en) 1973-05-10
FR2158424A1 (en) 1973-06-15

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee