GB1110100A - A method relating to the production of malonic acid dinitrile - Google Patents

A method relating to the production of malonic acid dinitrile

Info

Publication number
GB1110100A
GB1110100A GB967567A GB967567A GB1110100A GB 1110100 A GB1110100 A GB 1110100A GB 967567 A GB967567 A GB 967567A GB 967567 A GB967567 A GB 967567A GB 1110100 A GB1110100 A GB 1110100A
Authority
GB
United Kingdom
Prior art keywords
malonic acid
production
acid dinitrile
method relating
dinitrile
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
GB967567A
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.)
Lonza AG
Original Assignee
Lonza AG
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
Priority claimed from CH329566A external-priority patent/CH472387A/en
Application filed by Lonza AG filed Critical Lonza AG
Publication of GB1110100A publication Critical patent/GB1110100A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles

Landscapes

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

Abstract

Malonic acid dinitrile is prepared by contacting cyanacetamide vapour with a dehydration catalyst comprising a phosphoric acid ester at a temperature of 500 DEG to 800 DEG C. and a pressure of 0.5 to 100 Torr.
GB967567A 1966-03-08 1967-03-01 A method relating to the production of malonic acid dinitrile Expired GB1110100A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH329566A CH472387A (en) 1963-12-19 1966-03-08 Process for the production of malononitrile from cyanoacetamide

Publications (1)

Publication Number Publication Date
GB1110100A true GB1110100A (en) 1968-04-18

Family

ID=4252882

Family Applications (1)

Application Number Title Priority Date Filing Date
GB967567A Expired GB1110100A (en) 1966-03-08 1967-03-01 A method relating to the production of malonic acid dinitrile

Country Status (5)

Country Link
DE (1) DE1618615A1 (en)
DK (1) DK116278B (en)
GB (1) GB1110100A (en)
NL (1) NL6702281A (en)
SE (1) SE311148B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053400A1 (en) * 1980-12-02 1982-06-09 Ube Industries, Ltd. Process for preparing malononitrile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053400A1 (en) * 1980-12-02 1982-06-09 Ube Industries, Ltd. Process for preparing malononitrile

Also Published As

Publication number Publication date
NL6702281A (en) 1967-09-11
DE1618615A1 (en) 1971-04-08
DK116278B (en) 1969-12-29
SE311148B (en) 1969-06-02

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