GB976739A - Purification of nitrocyclohexane - Google Patents

Purification of nitrocyclohexane

Info

Publication number
GB976739A
GB976739A GB31979/63A GB3197963A GB976739A GB 976739 A GB976739 A GB 976739A GB 31979/63 A GB31979/63 A GB 31979/63A GB 3197963 A GB3197963 A GB 3197963A GB 976739 A GB976739 A GB 976739A
Authority
GB
United Kingdom
Prior art keywords
nitrocyclohexane
precipitate
separating
impure
ammonium salt
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
GB31979/63A
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.)
Allied Corp
Original Assignee
Allied Chemical Corp
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 Allied Chemical Corp filed Critical Allied Chemical Corp
Publication of GB976739A publication Critical patent/GB976739A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • C07C201/16Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/05Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of rings other than six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00Systems containing only non-condensed rings
    • C07C2601/12Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14The ring being saturated

Landscapes

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

Abstract

A process for the production of purified nitrocyclohexane comprises dissolving impure nitrocyclohexane in a liquid medium comprising liquid ammonia, allowing a substantial portion of the nitrocyclohexane to precipitate as the ammonium salt of aci-nitrocyclohexane, separating the precipitate and decomposing it to yield purified nitrocyclohexane. The liquid medium is preferably at a temperature of -30 to -40 DEG C. and 1/4 to 1 hour is allowed to elapse between dissolving the impure nitrocyclohexane and separating the ammonium salt.
GB31979/63A 1962-08-13 1963-08-13 Purification of nitrocyclohexane Expired GB976739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21631362A 1962-08-13 1962-08-13

Publications (1)

Publication Number Publication Date
GB976739A true GB976739A (en) 1964-12-02

Family

ID=22806572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31979/63A Expired GB976739A (en) 1962-08-13 1963-08-13 Purification of nitrocyclohexane

Country Status (3)

Country Link
CH (1) CH426782A (en)
DE (1) DE1218438B (en)
GB (1) GB976739A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE947162C (en) * 1952-04-24 1956-09-06 Bayer Ag Process for working up the reaction mixture obtained in the nitration of cyclohexane
FR1137467A (en) * 1954-08-05 1957-05-29 Olin Mathieson Improvements relating to the manufacture of nitrocyclohexane

Also Published As

Publication number Publication date
DE1218438B (en) 1966-06-08
CH426782A (en) 1966-12-31

Similar Documents

Publication Publication Date Title
GB1104497A (en) Recovery of spent etchants
ES491280A0 (en) PROCEDURE TO PURIFY WASTE WATER CONTAINING UREA
GB1484860A (en) Manufacture of boric acid
GB1416365A (en) Process for the manufacture of drystalline ammonium phosphates
GB976739A (en) Purification of nitrocyclohexane
CH383676A (en) Process for promoting the growth and yield of plants
GB1024863A (en) Purification of crude aqueous glyoxal solutions
FR1290212A (en) Process for the decoloration and purification of impure solutions of organic acids
GB1122761A (en) Process for the purification of amino acids
GB1096707A (en) Process for the purification of tertiary amines
GB1103709A (en) Purification of nicotinamide-adenine-dinucleotide
SU389027A1 (en) ALL-UNION
CH430686A (en) Process for the production of urea by synthesis from carbon dioxide and ammonia
SU112189A1 (en) The method of obtaining tungsten anhydride and tungsten acid from scheelite concentrates
GB1222678A (en) Process for purifying melamine
GB947842A (en) Improved process for the preparation of nitrocyclohexane
CH431476A (en) Process and device for the production of pure, concentrated sulfuric acid
GB1015059A (en) Process for purifying ª‡-methyl-ª‰-(3,4-dihydroxyphenyl)-alanine
GB984332A (en) Process for purifying ª†-methyl glutamate n-carboxy anhydride
GB699384A (en) Improvements in or relating to purification of vitamin preparations
GB1046047A (en) Process for the manufacture of trans-2-chlorobutene-(2)
GB1440624A (en) Production of urea
GB972974A (en) A method for purifying 7-chloro-1-methyl-5-phenyl-2,3-dihydro-1h-1,4-benzodiazepinone-(2)
ES287139A1 (en) A urea purification procedure with recovery of ammonia and carbon dioxide (Machine-translation by Google Translate, not legally binding)
AU267008B2 (en) Process for the production of urea from ammoniacal capours containing carbon dioxide