Process for the purification of 2,2-bis-(4-hydroxy-3,5-dichlorop

Details Process for the purification of 2,2-bis-(4-hydroxy-3,5-dichlorop Process for the purification of 2,2-bis-(4-hydroxy-3,5-dichlorop

1973-11-14

1976-05-18

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260619A, C07C 3744, C07C 3916

Patent

active

039578860

ABSTRACT:
A process for the production of very pure 2,2-bis-(4-hydroxy-3,5-dichlorophenyl)-propane (TCB), wherein a solution of TCB in an aromatic hydrocarbon is treated with hot water, followed by crystallization of TCB from the aqueous solution by addition of a halogenated aliphatic hydrocarbon.

REFERENCES:
patent: 3850994 (1974-11-01), Zoche et al.

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