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N,N-Diméthylformamide ≥99.9%, SPECTRONORM® pour la spectroscopie

Fournisseur: VWR Chemicals
Danger

Synonyms: Formic acid dimethylamide, Formdimethylamide, Dimethylformamide, DMF

Filtré à 0,2 µm. Conditionné sous gaz inerte.

84710.290EA 109 EUR
84710.290 84710.320
N,N-Diméthylformamide ≥99.9%, SPECTRONORM® pour la spectroscopie
N,N-Diméthylformamide

SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.

Formule: HCON(CH₃)₂
MW: 73.09 g/mol
Point d'ébullition: 153
Point de fusion: –60.5 °C
Densité: 0.949 g/cm³ (20 °C)
Point d'éclair: 57,5 °C (DIN 51755) (coupe fermée)
Température de stockage: Température ambiante
Numéro MDL: MFCD00003284
Numéro CAS: 68-12-2
EINECS: 200-679-5
ONU: 2265
ADR: 3 III
ATTEINDRE: 01-2119475605-32
Merck Index: 13,03269
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Résultats des tests de spécification

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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