Dichlormethan 99,9 Stabilised, SPECTRONORM® Spectroscopy
Dodávateľ: VWR Chemicals
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Varování
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Synonymá:
Methylene chloride
Stabilizácia:
∼ 50 ppm 2-Methyl-2-buten
Filter 0,2 um_Nitrogen_filled
84702.320EA
255.56
EUR
84702.320
84702.260
Dichlormethan 99,9 Stabilised, SPECTRONORM® Spectroscopy
Dichloromethane
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
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Vzorec:
CH₂Cl₂ Mw: 84.93 Teplota varu: 39.8 Teplota tavenia: –95 °C Hustota: 1.322 g/cm³ (20 °C) Skladovacia teplota: Ambient |
Číslo MDL:
MFCD00000881 Číslo CAS: 75-09-2 EINECS: 200-838-9 OSN: 1593 ADR: 6.1 III Merck Index: 12,06140 |
Výsledky špecifikačného 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 |
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