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Ammonium thiocyanate is used in the manufacture of herbicides, thiourea, and transparent artificial resins; in matches; as a stabilizing agent in photography; in various rustproofing compositions; as an adjuvant in textile dyeing and printing; as a tracer in oil fields; in the separation of hafnium from zirconium (important for the production of hafnium-free zircalloy for use in nuclear fuel ...
Tetramethylammonium hydroxide (TMAH or TMAOH) is a quaternary ammonium salt with molecular formula N(CH 3) 4 + OH −. It is commonly encountered in form of concentrated solutions in water or methanol. TMAH in solid state and its aqueous solutions are all colorless, but may be yellowish if impure.
[7] [8] [9] Thus the complete absence of thiocyanate or reduced thiocyanate [10] in the human body, (e.g., cystic fibrosis) is damaging to the human host defense system. [11] [12] Thiocyanate is a potent competitive inhibitor of the thyroid sodium-iodide symporter. [13] Iodine is an essential component of thyroxine. Since thiocyanates will ...
Nickel(II) thiocyanate is a coordination polymer with formula Ni(SCN) 2. [1] It is a green-brown solid and its crystal structure was determined first in 1982. [ 1 ]
Lead(II) thiocyanate can be formed from the acidification of lead(II) nitrate, Pb(NO 3) 2, with nitric acid, HNO 3, in the presence of thiocyanic acid, HSCN.It may also be made by reacting lead(II) acetate (Pb(CH 3 COO) 2) solved in water with either potassium thiocyanate (KSCN) or ammonium thiocyanate (NH 4 SCN), thus causing a white precipitation of solid lead(II) thiocyanate according to ...
Sigma Advanced Genetic Engineering (SAGE) Labs is a division within Sigma-Aldrich that specializes in genetic manipulation of in vivo systems for special research and development applications. It was formed in 2008 to investigate zinc finger nuclease technology and its application for disease research models.
In methyl thiocyanate, N≡C and C−S distances are 116 and 176 pm. By contrast, N=C and C=S distances are 117 and 158 pm in isothiocyanates. [7] Typical bond angles for C−S−C are 100°. [3] By contrast C−N=C in aryl isothiocyanates is 165°. Again, the thiocyanate isomers are quite different with C−S−C angle near 100°.
Ammonium cation [NH 4] + forms hydrogen bonds with cyanate anion O=C=N −, but to N, not to O. [1] The compound is notable as the precursor in the Wöhler synthesis of urea, an organic compound, from inorganic reactants. [2] This led to the discarding of the Vital force theory, suggested earlier by Berzelius. NH + 4 + OCN − → (NH 2) 2 CO [3]
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