N,N-Dimethylformamid ≥99.9%, SPECTRONORM® til spektroskopi
Leverandør: VWR Chemicals
Ratings:
Ingen bedømmelse
Samlet vurdering
Gennemsntilig vurdering
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Farlig
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0,2 µm Filtreret. Packaged under nitrogen.
84710.290EA
709
DKK
84710.290
84710.320
N,N-Dimethylformamid ≥99.9%, SPECTRONORM® til spektroskopi
N,N-Dimethylformamid
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
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Formel:
HCON(CH₃)₂ Kogepunkt: 153 °C (1013 hPa) Massefylde: 0,949 g/cm³ (20 °C) Opbevaringstemperatur: Stue temperatur |
MDL Number:
MFCD00003284 CAS-nummer: 68-12-2 EINECS: 200-679-5 UN nummer: 2265 ADR: 3,III REACH: 01-2119475605-32 Merck Index: 13,03269 |
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Specifikationer Testresultater
| Assay (GC) | ≥ 99.9 % |
| Colouration | ≤ 10 APHA |
| Acidity | ≤ 0.0002 meq/g |
| Alkalinity | ≤ 0.0002 meq/g |
| Evaporation residue | ≤ 2 ppm |
| Water (KF) | ≤0.02 % |
| Absorbance (270 nm) | ≤ 0.6 |
| Absorbance (275 nm) | ≤ 0.2 |
| Absorbance (280 nm) | ≤ 0.1 |
| Absorbance (290 nm) | ≤ 0.1 |
| Absorbance (300 nm) | ≤ 0.05 |
| Absorbance (330 nm) | ≤ 0.01 |
| Transmittance (270 nm) | ≥ 25% |
| Transmittance (275 nm) | ≥ 60% |
| Transmittance (280 nm) | ≥ 80% |
| Transmittance (290 nm) | ≥ 80% |
| Transmittance (300 nm) | ≥ 90% |
| Transmittance (330 nm) | ≥ 98% |
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