BIS[4-(1,1,3,3-TETRAMETHYLBUTYL)PHENYL] PHOSPHATE CALCIUM SALT Chemische Eigenschaften,Einsatz,Produktion Methoden

l?uterung methode

The Ca diester salt is washed with H2O (x3) and MeOH (x3) alternately and dried in a vacuum oven at 50o. If the Ca salt is contaminated with much Ca salt of the monoester, then it (10g) is converted to the free acid by adding 6N HCl (ca 10volumes) and Et2O (> 50volumes) is added to it and stirred vigorously to form the free acids. When no white precipitate remains (ca 5minutes), the Et2O is separated, washed with H2O (2x > 50 mL) and dried by filtering through a bed of anhydrous Na2SO4 (11 x 5 cm) which is then washed with Et2O (2x >50 mL). Evaporation gives an oil (TLC RF 0.81 for diester and 0.50 for monoester). The oil is dissolved in *benzene (ca 25mL) and extracted with ethane-1,2-diol (25mL, 10x). After ten washings, a small sample of the *benzene layer is washed twice with H2O to remove the diol and showed that it is pure bis-[4-(1,1,3,3-tetramethylbutyl)-phenyl]phosphoric acid by TLC, i.e. no monophosphate. To form the Ca salt, the oil is dissolved in MeOH and to it is added the equivalent amount of CaCl2 together with aqueous NaOH to keep the pH >10. The resulting white precipitate is collected, washed alternately with 3 batches of H2O and MeOH and dried in a vacuum oven at 50o. [Craggs et al. J Inorg Nucl Chem 40 1483 1978, Morton & Chung Anal Biochem 157 345 1986.] 2,4-Bis-(p -tolylthio)-1,3,2

BIS[4-(1,1,3,3-TETRAMETHYLBUTYL)PHENYL] PHOSPHATE CALCIUM SALT Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte

BIS[4-(1,1,3,3-TETRAMETHYLBUTYL)PHENYL] PHOSPHATE CALCIUM SALT Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Firmenname	Telefon	E-Mail	Land	Produktkatalog	Edge Rate
VladaChem GmbH	+49-7246-3082843	info@vladachem.de	Germany	1859	58
Aladdin Scientific	+1-+1(833)-552-7181	sales@aladdinsci.com	United States	52924	58
Guangzhou CATO Research Chemicals Inc.	+86-020-81960175-617 +8615602392859	Intermediate@cato-chem.com	China	8047	58
Sinopharm Chemical Reagent Co,Ltd.	86-21-63210123	sj_scrc@sinopharm.com	China	9815	79
Tianjin heowns Biochemical Technology Co., Ltd.	400-638-7771 18920564737	sales@heowns.com	China	22888	60
Cato Research Chemicals Inc.	020-81960175-877 18933936954	tianwen.zhan@cato-chem.com	China	7735	58
Guangzhou Kaitu Chemical Co., Ltd	18802095185	kang.sun@cato-chem.com	China	323	58
Hubei Danding Pharmaceutical Technology Co., Ltd	18917019315 18917019315	18917019315@163.cn	China	9162	58

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