四氯乙烯 ≥99.9%, SPECTRONORM® for spectroscopy
供应商: VWR Chemicals
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Warning
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Synonyms:
全氯乙烯, PCE
Filtered through a 0.2 µm filter, packaged under nitrogen.
VWRC83950.290EA
532
CNY
VWRC83950.290
VWRC83950.320
四氯乙烯 ≥99.9%, SPECTRONORM® for spectroscopy
四氯乙烯
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
分子式:
C₂Cl₄ 分子量: 165.83 g/mol 沸点: 121.1 °C (1013 hPa) 溶点: –22 °C 密度: 1.620 g/cm³ (20 °C) 闪点: 38 °C (closed cup) 存储条件: Ambient |
MDL编号:
MFCD00000834 CAS号: 127-18-4 EINECS: 204-825-9 UN号: 1897 ADR: 6.1 III Merck Index: 12,09332 |
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产品技术规格
Assay (GC) | ≥ 99.9 % |
Acidity | ≤ 0.0005 meq/g |
Alkalinity | ≤ 0.0005 meq/g |
Colouration | ≤ 10 APHA |
Evaporation residue | ≤ 10 ppm |
Water | ≤ 100 ppm |
Absorbance (290 nm) | ≤ 0.70 |
Absorbance (295 nm) | ≤ 0.19 |
Absorbance (300 nm) | ≤ 0.10 |
Absorbance (305 nm) | ≤ 0.20 |
Absorbance (350 nm) | ≤ 0.05 |
Absorbance (400 nm) | ≤ 0.03 |
Transmittance (290 nm) | ≥ 20 % |
Transmittance (295 nm) | ≥ 65 % |
Transmittance (300 nm) | ≥ 80 % |
Transmittance (305 nm) | ≥ 85 % |
Transmittance (350 nm) | ≥ 89 % |
Transmittance (400 nm) | ≥ 95 % |
Fluorescence (as quinine) (365 nm) | ≤ 1.0 ppb |
Meets the requirements of "Specific use spectroscopy" according ACS |
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