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Phase behavior Triple point: 164.76 K (−108.39 °C), ? Pa Critical point: 541 K (268 °C), 5190 kPa Std enthalpy change of fusion, Δ fus H o: 8.540 kJ/mol Std entropy change
Tetrahydrofuran (THF), or oxolane, is an organic compound with the formula (CH 2) 4 O. The compound is classified as heterocyclic compound , specifically a cyclic ether . It is a colorless, water- miscible organic liquid with low viscosity .
The Morningstar Rating for Funds is a rating system for investment funds operated by Morningstar. The Star Rating, debuted in 1985, a year after Morningstar was founded. The 1- to 5-star system, "looks at a fund's risk-adjusted return based on its performance over three, five and 10 years and on its volatility. The highest rating of five stars ...
As of 2020, the number of exchange-traded funds worldwide was over 7,600, [1] representing about 7.74 trillion U.S. dollars in assets. [2] The largest ETF, as of April 2021, was the SPDR S&P 500 ETF Trust ( NYSE Arca : SPY ), with about $353.4 billion in assets.
Deuterated tetrahydrofuran (d 8-THF) is a colourless, organic liquid at standard temperature and pressure. [1] This heterocyclic compound has the chemical formula C 4 D 8 O, and is an isotopologue of tetrahydrofuran. [2] Deuterated THF is used as a solvent in NMR spectroscopy, though its expense can often be prohibitive. [citation needed]
Like the Morningstar Rating for Funds, the rating is applied in the form of stars. [4] According to Newsday, “A five-star rating is given to a stock if fair value is 30 percent or more above current market price, four stars if it is 10 percent to 30 percent above, and three stars for fair value 10 percent either side of price. A two-stars ...
An example SDS, including guidance for handling a hazardous substance and information on its composition and properties. A safety data sheet (SDS), [1] material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products.
FC-75 is a fluorocarbon derivative of tetrahydrofuran with the chemical formula C 8 F 16 O. It is practically insoluble in water. It is one of the 3M Fluorinert fluids. It is used as an inert coolant fluid in electronics and other applications, and as a solvent.