A quick venture across the Internet will tell you that coal tar is described as the basis for around half a dozen regularly used food colourings. These include tartrazine, carmoisine red (E122 ...

Robbins also uses a retort, or still, in which, like Moll, he heats coal tar and introduces the vapors from the retort into the chamber by a gradually increasing heat, lets off the water from the ...

"A delay that long will require a second trip to the jobsite, which is something contractors using coal tar sealers are not used to." He says contractors need to make their customers aware of the ...

All lipsticks use minute quantities of dyes derived from coal tar. If eaten in large amounts the dyes would injure the kidneys, liver and spleen. Under an archaic law an ingested product ...

The consequent decline of the British coal-tar colour industry was already well marked in 1875, and in 1886 had proceeded so far that 90 per cent of the dyes then used in Britain were of foreign ...

The main downside is that coal-tar-based sealants are highly effective ... "Just a shift in the products that are used. It is kind of an educational challenge, you know?" he said.