Dichloromethane ≥99.9% stabilised, SPECTRONORM® for spectroscopy

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Warning


Stabilisation: Stabilised with 2-methyl-2-butene (iso-amylene) ∼ 50 ppm
Filtered through a 0.2 µm filter, packaged under nitrogen.

84702.320EA 219 GBP
84702.320 84702.260
Dichloromethane ≥99.9% stabilised, SPECTRONORM® for spectroscopy
Dichloromethane

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

Formula: CH₂Cl₂
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

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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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