Dichloromethane ≥99.9% stabilised, SPECTRONORM® for spectroscopy
Supplier: VWR Chemicals
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Warning
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Synonyms:
Methylene chloride
Stabilization:
Stabilised with 2-methyl-2-butene (iso-amylene) ∼ 50 ppm
Filtered through a 0.2 µm filter, packaged under nitrogen.
VWRC84702.320EA
94.3
SGD
VWRC84702.320
VWRC84702.260
Dichloromethane ≥99.9% stabilised, SPECTRONORM® for spectroscopy
Dichloromethane
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
Formula:
CH₂Cl₂ MW: 84,93 g/mol Boiling Pt: 39,8 °C (1013 hPa) Melting Pt: –95 °C Density: 1,322 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00000881 CAS Number: 75-09-2 EINECS: 200-838-9 UN: 1593 ADR: 6.1,III Merck Index: 12,06140 |
Specification Test Results
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 |
Meets the requirements of "Specific use spectroscopy" according ACS |
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