Dichlormethan ≥99.9% stabilizovaný, SPECTRONORM® for spectroscopy
Dodavatel: VWR Chemicals
|
Varování
|
Synonyms:
Methylene chloride
Stabilization:
∼ 50 ppm Stabilised with 2-methyl-2-butene (iso-amylene)
Filtered through a 0.2 µm filter, packaged under nitrogen.
84702.320EA
3828
CZK
84702.320
84702.260
Dichlormethan ≥99.9% stabilizovaný, SPECTRONORM® for spectroscopy
Dichloromethane
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
Vzorec:
CH₂Cl₂ MW: 84.93 Bod varu: 39.8 Bod tání: –95 °C Hustota: 1.322 Storage Temperature: Ambient |
MDL Number:
MFCD00000881 CAS číslo: 75-09-2 EINECS: 200-838-9 UN: 1593 ADR: 6.1 III Merck Index: 12,06140 |
Výsledky specifikačního testu
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 |
Learn more

About VWR
Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...