Acid addition to aqueous dialdehyde solutions

Details Acid addition to aqueous dialdehyde solutions Acid addition to aqueous dialdehyde solutions

1983-06-28

1985-01-01

Reamer, James H.

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

Organic compounds

Oxygen containing

568421, 568594, 568603, C07C 4586

Patent

active

044916760

ABSTRACT:
Described herein is a process for rapidly obtaining a stable freeze point depressed aqueous solution comprising a dialdehyde and an aliphatic monohydroxyl alcohol and/or polyhydroxyl alcohol by adding thereto a catalytic amount of a strong acid. Also included herein is a method for liberating the dialdehyde in the aqueous solution by dilution with water and the addition of a catalytic amount of a strong acid.

REFERENCES:
patent: 2233428 (1941-03-01), O'Brien
patent: 2786081 (1957-03-01), Kress
patent: 2801216 (1957-07-01), Yoder et al.
patent: 3057775 (1962-10-01), Rendon
patent: 3897503 (1977-07-01), Wessendorf et al.
patent: 4244876 (1981-01-01), Warner et al.
patent: 4302131 (1982-03-01), Murphy
Dermer et al., J.A.C.S., vol. 77, pp. 1285-1286 (1955).
Boucher, Chem. Abst., vol. 82, #7617h (1974).

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