428 datasets found

Nickel is a naturally occurring, shiny, light-coloured metal with high electrical and thermal conductivities. It is resistant to corrosion by air, water, and alkalis, but reacts...

Isobenzan is a whitish to light-brown crystalline powder, with a mild chemical odour. It is relatively stable to acids, but liable to dehydrochlorination under strongly alkaline...

MIBK is a clear liquid with a sweet odour; the odour threshold is 1.64 mg/m3 (0.4 ppm). It is moderately soluble in water. MIBK can react violently with oxidizing and reducing...

The method is essentially based on already-existing recognized techniques, and also drawn on the experience of microbiologists in a number of Mediterranean laboratories. In the...

Formaldehyde is a flammable, colourless, reactive, and readily polymerized gas at normal temperature and pressure. The heat of combustion for formaldehyde gas is 4.47 kcal/g. It...

Anhydrous hydrazine, and aqueous solutions, are colourless liquids. Anhydrous hydrazine is a caustic, fuming, hygroscopic liquid at normal temperature and pressure. It has an...

1,2-Dichioroethane is a colourless liquid, with a sweet taste aid a chloroform-like odour. Reportd odour thresholds are 25-450 mg/ni for perception and 162-750 mg/rn for...

a- and 13-HCH can be determined separately from the other isomers, by gas chromatography with electron-capture detection, and other methods, after extraction by liquid/liquid...

The Convention was adopted rind opened for signature at a conference of Plenipotentiaries in Rotterdam on 10 September 1998. It was signed at a special ceremony on 11 September...

Technical captafol is a light tan powder with a characteristic odour. It is stable at room temperature in the dry state, but is readily bydrolysed, especially in an alkaline...

Barium is an alkaline earth metal that occurs in nature in a combined form. It is present in rocks, minerals, soils, air, natural waters, and fossil fuels. Some barium salts...

The OECD Screening Information Data Sets (SIDS) project is a cooperative effort of OECD countries designed to collect information on High Production Volume chemicals. One of the...

Dimethylformamide (DMF) is a colourless liquid with only a slight, unpleasant odour; smell is, therefore, not a useful warning signal. DMF is usually stable but, when it comes...

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%),...

Ammonia is a colourless acrid-smelling gas at room temperature and normal atmospheric pressure. Most people can identify its odour at 35 mg/rn3 in air. It can be stored and...

Given the significant increase in the number of multilateral environmental agreements, their ratification and implementation through domestic legislation has now become a top...

This booklet presents an overview of the UN Environment Programme (UNEP) – its mission, vision, strategy and action for tackling the triple planetary crisis. It chronicles...

UNEP is mandated to assist countries, upon request, with pollution mitigation and control in areas affected by armed conflict or terrorism. Responding to a request by the...

2,4-D is a selective herbicide which kills broad-leaved plants but not grasses or conifers. Its chemical structure is a modification of a naturally occurring plant hormone....

The United Nations Environment Programme (UNEP) is a passionate advocate for planetary and human health. For almost 50 years, UNEP has delivered science to help the world...