GB2435040B - Acetonitrile purification by the addition of phosphorus pentoxide, then water, and subsequent distillation - Google Patents

Acetonitrile purification by the addition of phosphorus pentoxide, then water, and subsequent distillation

Info

Publication number
GB2435040B
GB2435040B GB0602509A GB0602509A GB2435040B GB 2435040 B GB2435040 B GB 2435040B GB 0602509 A GB0602509 A GB 0602509A GB 0602509 A GB0602509 A GB 0602509A GB 2435040 B GB2435040 B GB 2435040B
Authority
GB
United Kingdom
Prior art keywords
water
addition
phosphorus pentoxide
subsequent distillation
acetonitrile purification
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 - Fee Related
Application number
GB0602509A
Other versions
GB0602509D0 (en
GB2435040A (en
Inventor
Gerry Kenny
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.)
G K ANALYTICAL SCIENCES Ltd
Original Assignee
G K ANALYTICAL SCIENCES 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 G K ANALYTICAL SCIENCES Ltd filed Critical G K ANALYTICAL SCIENCES Ltd
Priority to GB0602509A priority Critical patent/GB2435040B/en
Publication of GB0602509D0 publication Critical patent/GB0602509D0/en
Publication of GB2435040A publication Critical patent/GB2435040A/en
Application granted granted Critical
Publication of GB2435040B publication Critical patent/GB2435040B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/32—Separation; Purification; Stabilisation; Use of additives
    • C07C253/34—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/02—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton
    • C07C255/03—Mononitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB0602509A 2006-02-08 2006-02-08 Acetonitrile purification by the addition of phosphorus pentoxide, then water, and subsequent distillation Expired - Fee Related GB2435040B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0602509A GB2435040B (en) 2006-02-08 2006-02-08 Acetonitrile purification by the addition of phosphorus pentoxide, then water, and subsequent distillation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0602509A GB2435040B (en) 2006-02-08 2006-02-08 Acetonitrile purification by the addition of phosphorus pentoxide, then water, and subsequent distillation

Publications (3)

Publication Number Publication Date
GB0602509D0 GB0602509D0 (en) 2006-03-22
GB2435040A GB2435040A (en) 2007-08-15
GB2435040B true GB2435040B (en) 2009-10-07

Family

ID=36119699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0602509A Expired - Fee Related GB2435040B (en) 2006-02-08 2006-02-08 Acetonitrile purification by the addition of phosphorus pentoxide, then water, and subsequent distillation

Country Status (1)

Country Link
GB (1) GB2435040B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102531959A (en) * 2012-02-17 2012-07-04 西安航洁化工科技有限责任公司 Method for removing small amount of water contained in industrial acetonitrile

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2249308A (en) * 1990-10-30 1992-05-06 G K Analytical Sciences Limite Purification of acetonitrile
GB2322856A (en) * 1997-03-03 1998-09-09 G K Analytical Sciences Limite Purification of Acetonitrile

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2249308A (en) * 1990-10-30 1992-05-06 G K Analytical Sciences Limite Purification of acetonitrile
GB2322856A (en) * 1997-03-03 1998-09-09 G K Analytical Sciences Limite Purification of Acetonitrile

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
Anal. Chem., 1962, Vol. 34, pages 1139-1143 & Chemical Abstracts, abstr no 57:10513g-i. *
Anal. Chem., 1965, Vol. 37(11), pages 1447-1448 & Chemical Abstracts, abstr no 63:17108f-g. *
Chemicke Listy, 1978, Vol. 72(3), pages 306-309 & Chemical Abstracts, abstr no 88:179367. *
Chemicke Listy, 1989, Vol. 83(4), pages 435-436 & Chemical Abstracts, abstr no 111:224561. *
Pure and Applied Chemistry, 1967, Vol. 13(3), pages 427-435 & Chemical Abstracts, abstr no 67:11160. *

Also Published As

Publication number Publication date
GB0602509D0 (en) 2006-03-22
GB2435040A (en) 2007-08-15

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Legal Events

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

Effective date: 20130208