Trichlorfon is a colourless crystalline powder that is stable at room temperature. It is slowly hydrolysed in acid media; the half-life is 526 days at pH 1-5 and 20°C. In alkaline media, at pH 8 and 37.5 °C, it hydrolyses ...

Hydroquinone is a white crystalline substance when pure and is highly soluble in water. Hydroquinone is combustible when preheated. It is a reducing agent that is reversibly oxidized to semiquinone and quinone.

This is a companion volume to Environmental Health Criteria 82: Cypermethrin. The Environmental Health Criteria (EHC) documents produced by the International Programme on Chemical Safety include an assessment of the effects ...

Carbon tetrachioride is a volatile, colourless, clear, heavy liquid with a characteristic sweet, non-irritant odour. The odour threshold in water is 0.52 mg/litre, and in air it is >64.1 mg/m3 (10 ppm). Carbon tetrachioride ...

Isophorone is a colourless liquid. Its odour has been described as similar to those of peppermint and camphor. It is soluble in water and is miscible in all proportions with aliphatic and aromatic hydrocarbons, alcohols, ...

Pure methyl parathion is crystalline and white. It is relatively insoluble in water, poorly soluble in petroleum ether and mineral oils, and readily soluble in most organic solvents. Methyl parathion is stable at pH 1-7, ...

Trimellitic anhydride is a white solid in the firm of flakes. It is readily hydrolysed in water to trimellitic acid, which is moderately soluble in water. Trimellitic anhydride is readily soluble in acetone, cyclohexanone, ...

White spirit is a mixture of saturated aliphatic and alicyclic C7 to C2 hydrocarbons with a maximum content of 25% of C7 to C 12 alkyl aromatic hydrocarbons.

Mirex is a white crystalline, odourless solid with a melting point of 485 °C. It is soluble in several organic solvents including tetrahydrofuran (30%), carbon disulfide (18%), chloroform (17%), and benzene (12%), but is ...

Thallium is a soft and malleable heavy metal with a bluish-white colour. Its relative molecular mass is 204.38. Its most important compound is the colourless, odourless and tasteless thallium(l) sulfate, previously used ...