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Pigment Violet 29 (C.I. 71129) is an organic compound that is used as a pigment [1] and vat dye. Its colour is dark red purple, or bordeaux. [1] [2] Structurally, it is a derivative of perylene, although it is produced from acenaphthene. It is a less common dye compared to related derivatives such as pigment red 190 (Vat Red 29). [3] [4]
Trifluoroacetyl chloride has a vapor density that is 4.6 times that of air, or about 1.384 grams per milliliter at 20 °C (68 °F) as a liquid under pressure. [1] [2] The compound has a melting point of −146 °C (−231 °F) and a boiling point of −27 °C (−17 °F). [2]
Mg(C 2 H 2 O 2) 2: magnesium succinate: 556–32–1 MgC 3 H 9 O 6 P: magnesium glycerophosphate: 927–20–8 MgC 36 H 70 O 4: magnesium stearate: 557–04–0 Mg(ClO 4) 2: magnesium perchlorate: 10034–81–8 MgCl 2: magnesium chloride: 7786–30–3 MgF 2: magnesium fluoride: 7783–40–6 MgH 2: magnesium hydride: 7693–27–8 MgI 2 ...
Different CAS Registry Numbers [1] are used for each form of a substance. For example, something simple like alanine will have one CAS# for the D form, another for L, another for "unspecified" and a fourth one for racemic. There would be another four CAS#s for the hydrochloride, four for the (1:1) sulfate, four for the (2:1)sulfate, etc.
The number 4,294,967,295 is a whole number equal to 2 32 − 1. It is a perfect totient number, meaning it is equal to the sum of its iterated totients. [1] [2] It follows 4,294,967,294 and precedes 4,294,967,296.
Version 1.06 and was released in December 2020. [8] Prior to 1.04, the software was freely available under the open-source LGPL license. [9] Versions 1.05 and 1.06 used a custom license called IUPAC-InChI Trust License. [10] The current software version is 1.07.1 (August 2024), uses the MIT license, and may be downloaded from the InChI GitHub site.
Benzisothiazolinone (BIT) is an organic compound with the formula C 6 H 4 SN(H)CO. A white solid, it is structurally related to isothiazole , and is part of a class of molecules called isothiazolinones . [ 2 ]
1,3-Dimethyl-2-imidazolidinone (DMI) is a cyclic urea used as a high-boiling polar aprotic solvent. [2] It is colourless, highly polar solvent has high thermal and chemical stability. It is a homolog of the related solvent DMPU. It can be prepared from 1,2-dimethylethylenediamine by reaction with phosgene.