N,N-二甲基甲酰胺 99,9, SPECTRONORM® Spectroscopy

供应商: VWR Chemicals
Danger

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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