GB653197A - Purification of propionic acid - Google Patents

Purification of propionic acid

Info

Publication number
GB653197A
GB653197A GB20589/48A GB2058948A GB653197A GB 653197 A GB653197 A GB 653197A GB 20589/48 A GB20589/48 A GB 20589/48A GB 2058948 A GB2058948 A GB 2058948A GB 653197 A GB653197 A GB 653197A
Authority
GB
United Kingdom
Prior art keywords
propionic acid
acid
per cent
purification
propionic
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
GB20589/48A
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.)
Acordis UK Ltd
Original Assignee
British Celanese 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 British Celanese Ltd filed Critical British Celanese Ltd
Publication of GB653197A publication Critical patent/GB653197A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Propionic acid is purified by treating with hydrogen peroxide at approximately 25 DEG C. for 24 hours. The acid so obtained may be dehydrated directly with acetic anhydride to give propionic anhydride and acetic acid. 1-10 per cent by weight of aqueous hydrogen peroxide of 30-3 per cent strength based on the weight of propionic acid may be employed with propionic acid of more than 99 per cent purity. An example is given.
GB20589/48A 1947-08-16 1948-08-04 Purification of propionic acid Expired GB653197A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US653197XA 1947-08-16 1947-08-16

Publications (1)

Publication Number Publication Date
GB653197A true GB653197A (en) 1951-05-09

Family

ID=22061882

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20589/48A Expired GB653197A (en) 1947-08-16 1948-08-04 Purification of propionic acid

Country Status (1)

Country Link
GB (1) GB653197A (en)

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