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Chemoxy International Ltd
Chemoxy International Ltd is a British manufacturer of chemical products. Chemoxy operates two manufacturing sites in Teesside, England. The company was previously owned by The Dow Chemical Company and was acquired via a management buyout in December 2011. Chemoxy International Ltd produces a range of low toxicity solvents which are used in coatings and cleaning products including Coasol and Estasol which are sold globally. Chemoxy also provides solvent recovery services as well as toll manufacturing services based on a range of reaction chemistries combined with a high degree of fractionation. History Chemoxy International Ltd's Middlesbrough site has been carrying out distillation services since 1868 and the Billingham site was added to the portfolio in 1994. Chemoxy International Ltd began in 1868 in which it specialised in tar processing and the site was owned by Sadlers, since then it has undergone a couple of name changes as well as being acquired by a couple of diffe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Teesside
Teesside () is a built-up area around the River Tees in the north of England, split between County Durham and North Yorkshire. The name was initially used as a county borough in the North Riding of Yorkshire. Historically a hub for heavy manufacturing, the number of people employed in this type of work declined from the 1960s onwards, with steel-making and chemical manufacturing (particularly through Imperial Chemical Industries) replaced to some extent by new science businesses and service sector roles. History 1968–1974: County borough Before the county of Cleveland was created, the area (including Stockton-on-Tees) existed as a part of the North Riding of Yorkshire, due to most land being south of the Tees. Teesside was created due to Stockton-on-Tees being linked heavily with Thornaby (which had amalgamated with South Stockton/Mandale to form the Borough of Thornaby), Middlesbrough and Redcar by industry. Compared to the modern Teesside conurbation, the area was sma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flavoring
A flavoring (or flavouring), also known as flavor (or flavour) or flavorant, is a food additive used to improve the taste or smell of food. It changes the perceptual impression of food as determined primarily by the chemoreceptors of the gustatory and olfactory systems. Along with additives, other components like sugars determine the taste of food. A flavoring is defined as a substance that gives another substance taste, altering the characteristics of the solute, causing it to become sweet, sour, tangy, etc. Although the term, in common language, denotes the combined chemical sensations of taste and smell, the same term is used in the fragrance and flavors industry to refer to edible chemicals and extracts that alter the flavor of food and food products through the sense of smell. Owing to the high cost, or unavailability of natural flavor extracts, most commercial flavorings are "nature-identical", which means that they are the chemical equivalent of natural flavors, bu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chemical Companies Of England
A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds. Chemical substances can be simple substances (substances consisting of a single chemical element), chemical compounds, or alloys. Chemical substances are often called 'pure' to set them apart from mixtures. A common example of a chemical substance is pure water; it has the same properties and the same ratio of hydrogen to oxygen whether it is isolated from a river or made in a laboratory. Other chemical substances commonly encountered in pure form are diamond (carbon), gold, table salt (sodium chloride) and refined sugar (sucrose). However, in practice, no substance is entirely pure, and chemical purity is specified according to the intended use of the chemical. Chemical substances exist as solids, liquids, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Methyl Chloride
Chloromethane, also called methyl chloride, Refrigerant-40, R-40 or HCC 40, is an organic compound with the chemical formula . One of the haloalkanes, it is a colorless, odorless, flammable gas. Methyl chloride is a crucial reagent in industrial chemistry, although it is rarely present in consumer products, and was formerly utilized as a refrigerant. Occurrence Chloromethane is an abundant organohalogen, anthropogenic or natural, in the atmosphere. Marine Laboratory cultures of marine phytoplankton (''Phaeodactylum tricornutum'', ''Phaeocystis'' sp., ''Thalassiosira weissflogii'', ''Chaetoceros calcitrans'', ''Isochrysis'' sp., ''Porphyridium'' sp., ''Synechococcus'' sp., ''Tetraselmis'' sp., ''Prorocentrum'' sp., and ''Emiliana huxleyi'') produce CH3Cl, but in relatively insignificant amounts. An extensive study of 30 species of polar macroalgae revealed the release of significant amounts of CH3Cl in only ''Gigartina skottsbergii'' and ''Gymnogongrus antarcticus''. Biogenesis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Isoamyl Acetate
Isoamyl acetate, also known as isopentyl acetate, is an organic compound that is the ester formed from isoamyl alcohol and acetic acid, with the molecular formula C7H14O2.It is a colorless liquid that is only slightly soluble in water, but very soluble in most organic solvents. Isoamyl acetate has a strong odor which is described as similar to both banana and pear. Pure isoamyl acetate, or mixtures of isoamyl acetate, amyl acetate, and other flavors may be referred to as banana oil. Production Isoamyl acetate is prepared by the acid catalyzed reaction (Fischer esterification) between isoamyl alcohol and glacial acetic acid as shown in the reaction equation below. Typically, sulfuric acid is used as the catalyst. Alternatively, ''p''-toluenesulfonic acid or an acidic ion exchange resin can be used as the catalyst. : Applications Isoamyl acetate is used to confer banana or pear flavor in foods. ''Banana oil'' commonly refers to a solution of isoamyl acetate in ethanol that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Isoamyl Alcohol
Isoamyl alcohol is a colorless liquid with the formula , specifically (H3C–)2CH–CH2–CH2–OH. It is one of several isomers of amyl alcohol (pentanol). It is also known as isopentyl alcohol, isopentanol, or (in the IUPAC recommended nomenclature) 3-methyl-butan-1-ol. An obsolete name for it was isobutyl carbinol. Isoamyl alcohol is an ingredient in the production of banana oil, an ester found in nature and also produced as a flavouring in industry. It is a common fusel alcohol, produced as a major by-product of ethanol fermentation. Occurrence Isoamyl alcohol is one of the components of the aroma of '' Tuber melanosporum'', the black truffle. The compound has also been identified as a chemical in the pheromone used by hornets to attract other members of the hive to attack. Isoamyl acetate is a component of the natural aroma of bananas, especially the Gros Michel variety. Extraction from fusel oil Isoamyl alcohol can be separated from fusel oil by either of two me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ethylene Glycol Diacetate
Ethylene (IUPAC name: ethene) is a hydrocarbon which has the formula or . It is a colourless, flammable gas with a faint "sweet and musky" odour when pure. It is the simplest alkene (a hydrocarbon with carbon-carbon double bonds). Ethylene is widely used in the chemical industry, and its worldwide production (over 150 million tonnes in 2016) exceeds that of any other organic compound. Much of this production goes toward polyethylene, a widely used plastic containing polymer chains of ethylene units in various chain lengths. Ethylene is also an important natural plant hormone and is used in agriculture to force the ripening of fruits. The hydrate of ethylene is ethanol. Structure and properties This hydrocarbon has four hydrogen atoms bound to a pair of carbon atoms that are connected by a double bond. All six atoms that comprise ethylene are coplanar. The H-C-H angle is 117.4°, close to the 120° for ideal sp² hybridized carbon. The molecule is also relatively weak: rotat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Di-n-butyl Ether
Dibutyl ether is a chemical compound belonging to the ether family with the molecular formula of . It is colorless, volatile, and flammable liquid and has peculiar ethereal smell. Liquid dibutyl ether is lighter than water. On the other hand, the vapor is heavier than air. It is not soluble in water, but it is soluble in acetone and many other organic solvents. Due to this property, dibutyl ether is used as solvent in various chemical reactions and processes. For example, phenyllithium is commercially available as a ca. 1.8M solution in dibutyl ether. Because of the formation of peroxides, it should be protected from heat, light and air. Synthesis Dibutyl ether is obtained from dehydration of 1-butanol with sulfuric acid as a catalyst and dehydrating agent: :2 → + Industrially, dibutyl ether can be obtained by dehydration of 1-butanol on alumina at 300 °C. Reactions This compound is generally stable to oxidation, reduction, and base. Strong acids like HI and HBr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dimethyl Adipate
Dimethyl adipate is the organic compound with the formula (CH2CH2CO2CH3)2. It is a colorless oily liquid. Although the main commercial interest in adipates is related to the production of nylons, this diester is used as a plasticizer, a solvent for paint stripping and resins, and a pigment dispersant. Preparation Dimethyl adipate is prepared by esterification of adipic acid with methanol. Less conventional routes include the hydroesterification of butadiene and the carbonylation of 1,4-dimethoxy-2-butene. It reacts with concentrated ammonia to give the diamide (CH2CH2C(O)NH2)2. Toxicity Esters of adipic acid exhibit low acute toxicities in animal models. The LD50 In toxicology, the median lethal dose, LD50 (abbreviation for "lethal dose, 50%"), LC50 (lethal concentration, 50%) or LCt50 is a toxic unit that measures the lethal dose of a toxin, radiation, or pathogen. The value of LD50 for a substance is the ... of this dimethyl ester is estimated at 1800 mg/kg (rat, i.p.). R ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trans-1,2-Diaminocyclohexane
''trans''-1,2-Diaminocyclohexane is an organic compound with the formula C6H10(NH2)2. This diamine is a building block for ''C''2-symmetric ligands that are useful in asymmetric catalysis. A mixture of all three stereoisomers of 1,2-diaminocyclohexane is produced by the hydrogenation of ''o''-phenylenediamine. It is also side product in hydrogenation of adiponitrile. The racemic ''trans'' isomer (1:1 mixture of (1''R'',2''R'')-1,2-diaminocyclohexane and (1''S'',2''S'')-1,2-diaminocyclohexane) can be separated into the two enantiomers using enantiomerically pure tartaric acid as the resolving agent. Derived ligands Representative ligands prepared from (1''R'',2''R'')- or (1''S'',2''S'')-1,2-diaminocyclohexane are diaminocyclohexanetetraacetic acid (CyDTAH4), Trost ligand, and the salen analogue used in the Jacobsen epoxidation The Jacobsen epoxidation, sometimes also referred to as Jacobsen-Katsuki epoxidation is a chemical reaction which allows enantioselective epoxi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
