Dichlorometan 99,9 Stabilised, SPECTRONORM® Spectroscopy
Dostawca: VWR Chemicals
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Uwaga
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Synonim:
Dichlorek metylenu, Chlorek metylenu
Stabilizacja:
∼ 50 ppm 2-Methyl-2-buten
Filter 0,2 um_Nitrogen_filled
84702.320EA
1710
PLN
84702.320
84702.260
Dichlorometan 99,9 Stabilised, SPECTRONORM® Spectroscopy
Dichlorometan
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
Formuła:
CH₂Cl₂ MW: 84.93 g/mol Temp. Wrzenia: 39.8 Temp. topnienia: –95 °C Gęstość: 1.322 g/cm³ (20 °C) Temperatura przechowywania: Temperatura otoczenia |
Numer MDL:
MFCD00000881 Numer CAS: 75-09-2 Numer WE (dawny EINECS): 200-838-9 Jednostka: 1593 ADR: 6.1 III Klasyfikacja Merck : 12,06140 |
Wyniki testów specyfikacyjnych
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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