N,N-Dimethylformamide ≥99.9%, SPECTRONORM® for spectroscopy
Supplier: VWR Chemicals
Filtered through a 0.2 µm filter, packaged under nitrogen.
84710.290EA
136
EUR
84710.290
84710.320
N,N-Dimethylformamide ≥99.9%, SPECTRONORM® for spectroscopy
N,N-Dimethylformamide
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
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Formula:
HCON(CH₃)₂ MW: 73,09 g/mol Boiling Pt: 153 °C (1013 hPa) Melting Pt: −60,5 °C Density: 0,949 g/cm³ (20 °C) Flash Pt: 57,5 °C (DIN 51755) (closed cup) |
MDL Number:
MFCD00003284 CAS Number: 68-12-2 UN: 2265 ADR: 3,III Merck Index: 13,03269 |
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Specification Test Results
| 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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