N,N-二甲基甲酰胺 99,9, SPECTRONORM® Spectroscopy
供应商: VWR Chemicals
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Danger
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Synonyms:
DMF
Filter 0,2 um_Nitrogen_filled
VWRC84710.290EA
658
CNY
VWRC84710.290
VWRC84710.320
N,N-二甲基甲酰胺 99,9, SPECTRONORM® Spectroscopy
N,N-二甲基甲酰胺
SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.
分子式:
HCON(CH₃)₂ 分子量: 73.09 g/mol 沸点: 153 溶点: –60.5 °C 密度: 0.949 g/cm³ (20 °C) 闪点: 57.5 °C (DIN 51755) (closed cup) 存储条件: Ambient |
MDL编号:
MFCD00003284 CAS号: 68-12-2 EINECS: 200-679-5 UN号: 2265 ADR: 3 III REACH: 01-2119475605-32 Merck Index: 13,03269 |
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产品技术规格
Assay (GC) | ≥ 99.9 % |
Colouration | ≤ 10 APHA |
Acidity | ≤ 0.0002 meq/g |
Alkalinity | ≤ 0.0002 meq/g |
Evaporation residue | ≤ 2 ppm |
Water (KF) | ≤0.02 % |
Absorbance (270 nm) | ≤ 0.6 |
Absorbance (275 nm) | ≤ 0.2 |
Absorbance (280 nm) | ≤ 0.1 |
Absorbance (290 nm) | ≤ 0.1 |
Absorbance (300 nm) | ≤ 0.05 |
Absorbance (330 nm) | ≤ 0.01 |
Transmittance (270 nm) | ≥ 25% |
Transmittance (275 nm) | ≥ 60% |
Transmittance (280 nm) | ≥ 80% |
Transmittance (290 nm) | ≥ 80% |
Transmittance (300 nm) | ≥ 90% |
Transmittance (330 nm) | ≥ 98% |
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