N,N-Dimetylformamid ≥99.9%, SPECTRONORM® for spectroscopy
Leverandør: VWR Chemicals
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Danger
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0,2 µm Filtrert. Packaged under nitrogen.
84710.290EA
1600
NOK
84710.290
84710.320
N,N-Dimetylformamid ≥99.9%, SPECTRONORM® for spectroscopy
N,N-Dimetylformamid
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
Formel:
HCON(CH₃)₂ Kokepunkt: 153 °C (1013 hPa) Smeltepunkt: −60,5 °C Tetthet: 0,949 g/cm³ (20 °C) Flash punkt: 57,5 °C (DIN 51755) (closed cup) Lagringstemperatur: Romtemperatur |
MDL nummer:
MFCD00003284 CAS-nummer: 68-12-2 EINECS: 200-679-5 FN: 2265 ADR: 3,III REACH: 01-2119475605-32 Merck Indeks: 13,03269 |
Spesifikasjon 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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