Nigel Black, senior scientific officer for the Health and Safety Executive in Nottingham commented: "The HSE opinion is that Chrysoidine Y should be regarded as a suspect carcinogen and users should apply additional measures to control risk.
An angler's main protection is through the use of dyes with low toxicity, but the popular dyes Methic Orange and Chrysoidine R are chemically similar to Chrysoidine Y.
Nigel Black, senior scientific officer for the Health and Safety Executive in Nottingham, commented: "Our opinion is that Chrysoidine Y should be regarded as a suspect carcinogen.
Black revealed that two possible alternative synthetic dyes, Chrysoidine R and Methic orange, are considered to be chemically similar to Chrysoidine Y.
We started selling chrysoidine maggots again along with a lot of others because of demand for them.
The customers may want chrysoidine maggots, but nothing would give me greater pleasure than to see it banned," he added.
Although a direct carcinogenic link has never been proven, chrysoidine
is strongly suspected of causing cancer and a leading dye expert I spoke to was horrified that it's still in use.