Dichloromethane ≥99.9% stabilised, SPECTRONORM® for spectroscopy
:75-09-2
:
:CH₂Cl₂
:MFCD00000881
:84.93 g/mol
:12,06140
:39.8 °C (1013 hPa)
:–95 °C
:1.322 g/cm³ (20 °C)
:200-838-9
:1593
:6.1,III
:Filtered through a 0.2 µm filter, packaged under nitrogen.
:Stabilised with 2-methyl-2-butene (iso-amylene) ∼ 50 ppm
:GHS08
:GHS07
:Ambient
- Assay (GC):≥ 99,9 %
- Acidity:≤ 0,0002 meq/g
- Alkalinity:≤ 0,0002 meq/g
- Colouration:≤ 10 APHA
- Evaporation residue:≤ 2 ppm
- Water:≤ 100 ppm
- Absorbance (235 nm):≤ 0,52
- Absorbance (240 nm):≤ 0,16
- Absorbance (245 nm):≤ 0,07
- Absorbance (250 nm):≤ 0,02
- Absorbance (from 255 nm):≤ 0,01
- Transmittance (235 nm):≥ 30 %
- Transmittance (240 nm):≥ 70 %
- Transmittance (245 nm):≥ 85 %
- Transmittance (250 nm):≥ 95 %
- Transmittance (from 255 nm):≥ 98 %
- Fluorescence (as quinine) (254 nm):≤ 1,0 ppb
- Fluorescence (as quinine) (365 nm):≤ 1,0 ppb