A report from the Globe and Mail:

Health Canada and Environment Canada are recommending adding a former chemical warfare agent, diethyl sulphate, to the country’s list of toxic substances.

Although the substance isn’t a household name, it can be used to make fabric softeners or flocculants in wastewater and sewage sludge control, and in the production of pharmaceuticals, fragrances and dyes…

The government also decided to conduct more study on butane, a substance often used in hair sprays and deodorants.

The chemical program led to last year’s decision to place bisphenol A on the country’s toxic substances list, a move that made Canada the first country in the world to take action against the hormone-mimicking chemical used to make polycarbonate plastic baby bottles and the resins lining the insides of tin cans…

Federal scientists reviewed 18 potentially harmful substances, according to the Gazette, and proposed that only diethyl sulphate warranted a toxic designation, a step that allows the government to pass regulations to control and reduce its use.

But it did flag butane and isobutane for further assessment. Both chemicals have been classified as carcinogens by the European Commission when they contain another chemical, butadiene, as an impurity in concentrations of more than 0.1 per cent.

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