16/07/2025
Carbofuran

What is Carbofuran? Chemical Name: 2,3-dihydro-2,2-dimethyl-7-benzofuranyl methylcarbamate CAS Number: 1563-66-2 Carbofuran is a white crystalline solid with a slightly phenolic odour. It is widely known as one of the most toxic carbamate pesticides. A systemic insecticide, carbofuran is absorbed through the roots and distributed throughout plant tissues, reaching insecticidal concentrations across the plant. It also […]

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14/07/2025
Acrylamide

What is Acrylamide? Acrylamide (or acrylic amide) is a chemical compound with the chemical formula C₃H₅NO. Its IUPAC name is prop-2-enamide. It is a white, odourless crystalline solid that is highly water-soluble and also dissolves in ethanol, ether, and chloroform. It is thermally unstable and can react violently upon melting, releasing acrid fumes when heated. […]

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09/07/2025
Dichloromethane (DCM)

What is Dichloromethane? Dichloromethane (DCM), also known as methylene chloride, is a volatile, colourless liquid with a slightly sweet odour. Although it is not miscible with water, it readily mixes with most organic solvents. It does not occur naturally in the environment and is primarily manufactured for industrial use. What is Dichloromethane used for? DCM […]

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07/07/2025
Acrolein

What is Acrolein? Acrolein (systematic name: propenal) is the simplest unsaturated aldehyde. It is produced widely but is most often immediately reacted with other products due to its instability and toxicity. It is a colourless or yellow liquid with a disagreeable odour. It dissolves in water very easily and quickly changes to a vapour when […]

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02/07/2025
1,3-Butadiene

What is 1,3-Butadiene? 1,3-Butadiene (C₄H₆) is a colourless, flammable, non-corrosive gas with a mild gasoline-like odour. It is slightly soluble in water, more soluble in methanol and ethanol, and highly soluble in organic solvents like cyclohexane. Produced through petroleum processing. What is 1,3-Butadiene used for? Mainly used in: Sources of Emission & Route of Exposure […]

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30/06/2025
Chlorine

What is Chlorine? Chlorine is a yellow-green diatomic gas at room temperature with a strong, pungent odour. Highly reactive, it acts as a powerful oxidizer and is typically found in combined forms due to its instability in nature. It condenses to a liquid at -34°C and is rarely found in its free form except when […]

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25/06/2025
Acetaldehyde

What is Acetaldehyde? Acetaldehyde (systematic name ethanal) is an organic chemical compound with the formula CH₃CHO. It is a colourless, highly reactive liquid with a fruity odour at low concentrations and a pungent, irritating smell at higher levels. Acetaldehyde is a volatile organic compound (VOC) that evaporates easily and is flammable. It mixes readily with […]

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23/06/2025
1,3-Dichloropropene

What is 1,3-Dichloropropene? 1,3-Dichloropropene (C₃H₄Cl₂) is a clear to straw-coloured liquid with a sharp, sweet, and irritating odour. It is moderately soluble in water and evaporates easily. This compound is primarily generated as a by-product during the chlorination of propene to produce allyl chloride. What is 1,3-Dichloropropene used for? 1,3-Dichloropropene is widely used in agriculture […]

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18/06/2025
Hexachlorobenzene

What is Hexachlorobenzene? Hexachlorobenzene (HCB) is a fully chlorinated aromatic hydrocarbon with the molecular formula C₆Cl₆. It is a white crystalline solid, insoluble in water, but very soluble in fats, oils, and organic solvents. HCB is one of the most persistent environmental pollutants, capable of bioaccumulating in the food chain and biomagnifying in animals and […]

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16/06/2025
Carbaryl

What is Carbaryl? Carbaryl, also known as 1-naphthyl methylcarbamate, is an insecticide with the molecular formula C₁₂H₁₁NO₂ and a molecular weight of 201.2 g/mol. It appears as a white crystalline solid that is slightly soluble in water and essentially odourless. Carbaryl was first registered in the U.S. in 1959 and remains widely used, with over […]

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