Detail of "13478-98-3"

CAS Number:
13478-98-3
Name:
Metaphosphate (P6O186-)
Molecular Structure:
Formula:
O₁₈P₆
Molecular Weight:
473.8351
Synonyms:
Cyclohexaphosphate;Hexametaphosphate;Metaphosphoric acid (H6P6O18), ion(3-);Phosphate (P6O186-);

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Inhibitory effects of 1-hydroxyethane-1,1-bisphosphonate (HEBP) and hexametaphosphate on the early calculus formation: Inhibitory effects of 1-hydroxyethane-1,1-bisphosphonate (HEBP) and hexametaphosphate on the early calculus formation. Fukuda, Mitsuo; Noguchi, Toshihide; Ishikawa, Isao; Ohya, Keiichi; Miyake, Mikio; Kitoh, Shinya; Seto, Hisako; Shinoda, Hisashi (Dep. Periodontol., Sch. Dent., Japan).There are some reagents with their cas registry numbers 7727-37-9 and 2809-21-4 are used in this study. Nippon Shishubyo Gakkai Kaishi, 28(2), 744-51 (Japanese) 1986. CODEN: NSKADI. ISSN: 0385-0110. DOCUMENT TYPE: Journal CA Section: 1 (Pharmacology) In volunteers with plaque developed on the polyester film sticked on the buccal site of the molar teeth, 1-hydroxyethane-1,1-bisphosphonate (HEBP) [2809-21-4] (1.0% rinsing soln.) or hexametaphosphate (HMP) [13478-98-3] (1.2% rinsing soln.) given 3 times daily for 14 days reduced Ca and P contents in the plaque, compared with a placebo soln.; N contents were not affected, however, Ca/N ratio was reduced by HMP. Both HEBP and HMP may be effective in inhibiting dental calculus formation. .

A chromatographic study of the acidic hydrolysis of cyclo-hexa- and cyclo-octaphosphate: A chromatographic study of the acidic hydrolysis of cyclo-hexa- and cyclo-octaphosphate. Kura, Genichiro (Dep. Chem., Fukuoka Univ. Educ., Fukuoka 811-41, Japan). Bull. Chem. Soc. Jpn., 56(12), 3769-72 (English) 1983. CODEN: BCSJA8. ISSN: 0009-2673. DOCUMENT TYPE: Journal CA Section: 67 (Catalysis, Reaction Kinetics, and Inorganic Reaction Mechanisms) The hydrolysis rates of inorg. cyclohexa- and cyclooctaphosphate in 0.1M HCl were detd. by anion-exchange chromatog. The P content in the column effluent was detd. automatically by the use of the MoV-MoVI reagent. The hydrolysis reactions are 1st order. The rate const. decreases from cyclotri- to cyclohexaphosphate with the increased ring, however, that of cyclooctaphosphate increases again. This increase is thought to be due to the stronger proton affinity of cyclooctaphosphate. The Arrhenius activation energies for cyclohexa- and cyclooctaphosphate hydrolysis are 91.5 and 96. 13478-98-3 and 31857-08-6 are just another two chemicals used in this study.9 kJ mol-1, resp. .