Method of preparing purified alkanesulfonic acid

Details Method of preparing purified alkanesulfonic acid Method of preparing purified alkanesulfonic acid

1991-03-27

1996-12-10

Cintins, Marianne M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfonic acids or salts thereof

562118, 562119, 562115, C07C 6100

Patent

active

055832539

ABSTRACT:
A process of preparing purified alkanesulfonic acid from crude aqueous alkanesulfonic acid containing oxidizable impurities wherein the crude material is treated with a sufficient amount of chlorine to convert the oxidizable impurities to alkanesulfonyl chloride and then hydrolyzing said alkanesulfonyl chloride to alkanesulfonic acid by heating.

REFERENCES:
patent: 3626004 (1971-12-01), Guertin
patent: 4450047 (1984-05-01), Malzahn
patent: 4699736 (1987-10-01), Gongora et al.
patent: 4859373 (1989-08-01), Olliver et al.
patent: 4895977 (1990-01-01), Nosowitz
patent: 4938846 (1990-07-01), Comstock et al.
Chemical Abstracts, vol. 79, No. 3, 23 Jul. 1973, Columbus, Ohio, U.S.A., Abstract No. 18083 v, p. 402 1990 R. Oda et al. "Methanesulfonic Acid".
Chemical Abstracts, vol. 79, p. 402--item 18083v., Jul. 1973 (Abstract of Japan Kokai 73 22423).

Affiliated with

Also associated with

Rating

Method of preparing purified alkanesulfonic acid does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of preparing purified alkanesulfonic acid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of preparing purified alkanesulfonic acid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-425158