The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Aluminum(III) sulfate xhydrate( cas:17927-65-0 ) is researched.Application of 17927-65-0.Gancy, Alan B. published the article 《Preparation and characterization of the nonahydrate and pentahydrate of aluminum sulfate》 about this compound( cas:17927-65-0 ) in Thermochimica Acta. Keywords: aluminum sulfate monohydrate pentahydrate; dehydration aluminum sulfate hydrate; hydration aluminum sulfate hydrate; x ray diffraction aluminum sulfate. Let’s learn more about this compound (cas:17927-65-0).
Crystalline Al2(SO4)3.9H2O was prepared by thermal dehydration of a higher hydrate at a constant total water vapor pressure of one atm. X-ray diffraction anal. shows the compound to be identical to its only previous preparation by crystallization from solution The Al2(SO4)3.5H2O was also prepared using the dehydration technique. Its x-ray diffraction pattern was determined for the first time. Doubt is cast upon the existence of the hexahydrate. The rate of vapor rehydration for both Al2(SO4)3.9H2O and Al2(SO4)3.5H2O was measured. Al2(SO4)9.9H2O is metastable under the conditions employed.
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Reference:
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com