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N,N-Dimethylformamide ≥99.9%, SPECTRONORM® for spectroscopy
N,N-Dimethylformamide ≥99.9%, SPECTRONORM® for spectroscopy
Supplier:  VWR Chemicals
Certificatesundefined
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N,N-Dimethylformamide ≥99.9%, SPECTRONORM® for spectroscopy
Supplier:  VWR Chemicals
Certificates

Specifications

  • Environmentally Preferable:

Specifications

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%

Specification Test Results

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