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Product name
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Tetrahydrofuran
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Synonyms
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Tetrahydrofuran,THF
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CBnumber
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CB6852795
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CAS
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109-99-9
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EINECS Number
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203-726-8
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MF
|
C4H8O
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MW
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72.11
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Appearance
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colorless liquid, clear
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Odour
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ether-like
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pH
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ca.7
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Melting point/freezing point
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Melting point: -108,44 °C at 1.013,25 hPa - (ECHA)
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Initial boiling point and boiling range
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65 °C at 1.013 hPa
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Flash point
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-21,2 °C - closed cup - DIN 51755 Part 1
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Upper/lower flammability or explosive limits
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Upper explosion limit: 11,8 %(V) - (THF) Lower explosion limit: 1,8 %(V) - (THF)
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Vapour pressure
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170 hPa at 20,0 °C
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Vapour density
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ca.2,5 at 25 °C - (Air = 1.0)
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Relative density
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0.89
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Water solubility
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miscible
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UN number
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2056
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