Tetraidrofurano ≥99.9% non stabilizzato, SPECTRONORM® per spettroscopia
Fornitore: VWR Chemicals
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Pericolo
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Synonyms:
Butylene oxide, THF, Diethylene oxide
Filtrato a 0,2 µm, confezionato sotto azoto
84707.290EA
109
EUR
84707.290
84707.320
Tetraidrofurano ≥99.9% non stabilizzato, SPECTRONORM® per spettroscopia
Tetraidrofurano
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
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Formula:
C₄H₈O Peso molecolare: 72.11 g/mol Punto di ebollizione: 66 Punto di fusione: –108,5 °C Densità: 0.888 g/cm³ (20 °C) Flash Pt: –21.5 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00005356 CAS Number: 109-99-9 EINECS: 203-726-8 UN: 2056 ADR: 3 II REACH: 05-2114615188-48 Merck Index: 12,09351 |
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Risultati del test di specificazione
| Assay (GC) | ≥ 99,9 % |
| Acidity | ≤ 0,0002 meq/g |
| Alkalinity | ≤ 0,0002 meq/g |
| Colouration | ≤ 10 APHA |
| Evaporation residue | ≤ 2 ppm |
| Water | ≤ 100 ppm |
| Absorbance (215 nm) | ≤ 0,52 |
| Absorbance (245 nm) | ≤ 0,30 |
| Absorbance (265 nm) | ≤ 0,10 |
| Absorbance (275 nm) | ≤ 0,05 |
| Absorbance (from 310 nm) | ≤ 0,01 |
| Transmittance (215 nm) | ≥ 30 % |
| Transmittance (245 nm) | ≥ 50 % |
| Transmittance (265 nm) | ≥ 80 % |
| Transmittance (275 nm) | ≥ 90 % |
| Transmittance (from 310 nm) | ≥ 98 % |
| Fluorescence (as quinine) (254 nm) | ≤ 1,0 ppb |
| Fluorescence (as quinine) (365 nm) | ≤ 1,0 ppb |
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