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[15] k 1 is the rate constant for chemical uptake from water at the respiratory surface (L*kg −1 *d −1). [15] C WD is the chemical concentration dissolved in water (g*L −1 ). [ 15 ] k 2 ,k E ,k G ,k B are rate constants that represent excretion from the organism from the respiratory surface, fecal excretion, metabolic transformation, and ...
Tris (pentafluorophenyl)borane, sometimes referred to as "BCF", is the chemical compound (C6F5)3B. It is a white, volatile solid. The molecule consists of three pentafluorophenyl groups attached in a "paddle-wheel" manner to a central boron atom; the BC3 core is planar. It has been described as the “ideal Lewis acid ” because of its high ...
1,4-Naphthoquinone acts as strong dienophile in Diels-Alder reaction.Its adduct with 1,3-butadiene can be prepared by two methods: 1) long (45 days) exposure of naphthoquinone in neat liquid butadiene taken in huge excess at room temperature in a thick-wall glass tube or 2) fast catalyzed cycloaddition at low temperature in the presence of 1 equivalent of tin(IV) chloride: [5]
1,4-Dimethylnaphthalene (1,4DMN) is a plant growth regulator that occurs naturally in potato tubers, preventing them from sprouting. [1] Synthetic forms such as 1-4SIGHT are applied to potatoes during storage. [2] Although discovered in the 1970s, it was not used commercially in the USA until 1996 [3] and in Europe until the 2010s. [4]
1,4-Butanediol diglycidyl ether (B14DODGE) is an organic chemical in the glycidyl ether family. It is aliphatic and a colorless liquid. It has two epoxide (oxirane) groups per molecule. [1] Its main use is in modifying epoxy resins especially viscosity reduction. [2] It is REACH registered. [3] The IUPAC name is 2-[4-(oxiran-2-ylmethoxy ...
Infobox references. 1,2-Dichloro-4-nitrobenzene is an organic compound with the formula 1,2-Cl 2 C 6 H 3 -4-NO 2. This pale yellow solid is related to 1,2-dichlorobenzene by the replacement of one H atom with a nitro functional group. This compound is an intermediate in the synthesis of agrochemicals.
1,4-butane sultone is a six-membered δ-sultone and the cyclic ester of 4-hydroxybutanesulfonic acid.As a sulfo-alkylating agent, 1,4-butanesultone is used to introduce the sulfobutyl group (–(CH 2) 4 –SO 3 −) into hydrophobic compounds possessing nucleophilic functional groups, for example hydroxy groups (as in the case of β-cyclodextrin [1]) or amino groups (as in the case of ...
The enzyme glucan 1,4-β-glucosidase (EC 3.2.1.74), also known as 4-β-D-glucan glucohydrolase, catalyses the hydrolysis of (1→4)-linkages in 1,4-β-D-glucans and related oligosaccharides, removing successive glucose units.