N,N-Dimetilformamida ≥99.9%, SPECTRONORM® para espectroscopia
Proveedor: VWR Chemicals
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Peligro
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Filtrado por 0,2 µm. Acondicionado en nitrógeno.
84710.290EA
139
EUR
84710.290
84710.320
N,N-Dimetilformamida ≥99.9%, SPECTRONORM® para espectroscopia
N,N-Dimetilformamida
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
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Formula:
HCON(CH₃)₂ Pto. Ebullición: 153 °C (1013 hPa) Pto. de fusión: −60,5 °C Densidad: 0,949 g/cm³ (20 °C) Pto. de inflamación: 57,5 °C (DIN 51755) (copa cerrada) Temperatura de almacenaje: Ambiente |
Número MDL:
MFCD00003284 Núm. CAS: 68-12-2 EINECS: 200-679-5 UN: 2265 ADR: 3,III IR: 01-2119475605-32 Índice Merck: 13,03269 |
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Resultados test especificaciones
| 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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