Tetrahydrofuran ≥99.5% stabilised, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytiskt reagens

Leverantör: VWR Chemicals
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Synonyms: Butylene oxide, THF, Diethylene oxide

Stabilization: Stabilised med BHT/Ionol ∼ 250 ppm

28551.296EA 1475 SEK
28551.296 28551.321 28551.460 28551.550
Tetrahydrofuran ≥99.5% stabilised, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytiskt reagens
Tetrahydrofuran
Formel: C₄H₈O
MW: 72,11 g/mol
Kokpunkt: 66 °C (1013 hPa)
Smältpunkt: –108,5 °C
Densitet: 0,888 g/cm³ (20 °C)
Flampunkt: –21,5 °C
Storage Temperature: Omgivande
MDL Number: MFCD00005356
CAS nummer: 109-99-9
EINECS: 203-726-8
UN: 2056
ADR: 3,II
REACH: 05-2114615188-48
Merck Index: 12,09351
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Specifikation testresultat

Assay (on Anhydrous Substance) Min. 99.5%
IR Spectrum Passes Test
Acidity Max. 0.001 meq/g
Boiling point 65 - 66.5 °C
Colouration Max. 20 APHA
Density (20/4) 0.885 - 0.888
Density (20/20) 0.886 - 0.890
Refractive index (20°C) 1.406 - 1.408
Evaporation Residue Max. 0.03%
Peroxides (as H₂O₂) Max. 0.015%
Water Max. 0.05%
Al (Aluminium) Max. 0.5 ppm
B (Boron) Max. 0.03 ppm
Ba (Barium) Max. 0.1 ppm
Ca (Calcium) Max. 0.5 ppm
Cd (Cadmium) Max. 0.05 ppm
Co (Cobalt) Max. 0.02 ppm
Cr (Chromium) Max. 0.02 ppm
Cu (Copper) Max. 0.02 ppm
Fe (Iron) Max. 0.1 ppm
Mg (Magnesium) Max. 0.1 ppm
Mn (Manganese) Max. 0.02 ppm
Ni (Nickel) Max. 0.02 ppm
Pb (Lead) Max. 0.1 ppm
Sn (Tin) Max. 0.1 ppm
Zn (Zinc) Max. 0.1 ppm
Conforms to ACS Passes Test
Conforms to Reag. Ph. Eur. Passes Test
Stabilizer (BHT) About 250 ppm

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