Deuterated THF

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Deuterated THF
Skeletal formula of deuterated THF Spacefill model of deuterated THF
Ball and stick model of deuterated THF
CAS number 1693-74-9 YesY
PubChem 80290
ChemSpider 72531 YesY
EC number 216-898-4
UN number 2056
Beilstein Reference 111854
Jmol-3D images Image 1
Molecular formula C
Molar mass 80.1550 g mol-1
Appearance Colourless liquid
Density 985 mg cm-3
Melting point −106 °C (−159 °F; 167 K)
Boiling point 65 to 66 °C (149 to 151 °F; 338 to 339 K)
GHS pictograms The flame pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) The exclamation-mark pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
GHS signal word DANGER
GHS hazard statements H225, H319, H335
GHS precautionary statements P210, P261, P305+351+338
EU classification Highly Flammable F Irritant Xi
R-phrases R11, R19, R36/37
S-phrases S16, S29, S33
NFPA 704
Flammability code 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g., gasoline) Health code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroform Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
Flash point −17 °C (1 °F; 256 K)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Deuterated tetrahydrofuran (d8-THF), is a colourless, organic liquid at standard temperature and pressure. This heterocyclic compound has the chemical formula (C2H2)4O, and is the isotopologue of tetrahydrofuran. Deuterated THF is rarely used as a solvent in NMR spectroscopy due to its expense.[citation needed]