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Naphthalene's minimum odor threshold is 0.084 ppm for humans. [43] Mothballs and other products containing naphthalene have been banned within the EU since 2008. [44] [45] In China, the use of naphthalene in mothballs is forbidden. [46] Danger to human health and the common use of natural camphor are cited as reasons for the ban.
Armstrong's acid (naphthalene-1,5-disulfonic acid) is a fluorescent organic compound with the formula C 10 H 6 (SO 3 H) 2. It is one of several isomers of naphthalenedisulfonic acid. It a colorless solid, typically obtained as the tetrahydrate. [1] Like other sulfonic acids, it is a strong acid. It is named for British chemist Henry Edward ...
Sodium naphthalene is an organic salt with the chemical formula Na + [C 10 H 8] −. In the research laboratory, it is used as a reductant in the synthesis of organic, organometallic, and inorganic chemistry. It is usually generated in situ. When isolated, it invariably crystallizes as a solvate with ligands bound to Na +. [1]
Black salt is typically used for finishing or medicinal purposes. Flavored salts are any type of regular salt that is blended with herbs or other flavorings (look for salts flavored with rosemary ...
Aminonaphthalenesulfonic acids are compounds with the composition C 10 H 6 (NH 2)(SO 3 H), being derived from naphthalene (C 10 H 8) substituted by an amino and sulfonic acid groups. These compounds are colorless solids. They are useful precursors to dyes. [1]
The sulfonic acid derivatives of 1-naphthylamine are used for the preparation of azo dye.These compounds possess the important property of dyeing unmordanted cotton.. An important derivative is naphthionic acid (1-aminonaphthalene-4-sulfonic acid), which is produced by heating 1-naphthylamine and sulfuric acid to 170–180 °C in the presence of crystallized oxalic acid.
It is added to help induce root formation in various plant types. It can also be applied by spraying it onto plants and which is typical in agricultural use. It is prohibited in many areas to use it in high concentrations due to the health concerns towards humans and other animals. NAA can be detected by HPLC-tandem mass spectrometry (HPLC-MS ...
Naphthalenesulfonates are derivatives of sulfonic acid which contain a naphthalene functional unit. A related family of compounds are the aminonaphthalenesulfonic acids.Of commercial importance are the alkylnaphthalene sulfonates, which are used as superplasticizers in concrete.
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