The compound occurs as a white odorless solid, although commercial samples can be off-white and possess a slightly phenolic odor.
If the reaction occurs without adequate cooling, TCDD is produced in significant quantities as a byproduct and contaminant.
The Seveso disaster and the Times Beach, Missouri, contamination incident exemplify the industrial hazards of hexachlorophene production.
A related product, pHisoAc, was used as a skin mask to dry and peel away acne lesions whilst pHiso-Scrub, a hexachlorophene-impregnated sponge for scrubbing, has since been discontinued.
(Sanofi-Aventis became the sole European manufacturer of pHisoHex, while The Mentholatum Company owns the pHisoDerm brand today.
[8] The formula for Dial soap was modified to remove hexachlorophene after the FDA ended over-the-counter availability in 1972.
[10] Trade names for hexachlorophene include: Acigena, Almederm, AT7 (dial soap), AT17, Bilevon, Exofene, Fostril, Gamophen, G-11, Germa-Medica, Hexosan, K-34, Septisol, Surofene, M3.