項目Item 化學純
(CP)
相對密度Specific gravity (20/20°C)) 0.964-0.967
折光率Refractive index n20/D 1.401-1.403
沸程范圍Boiling range,℃ 123-125
(95%)
不揮發物Novolative,% ≤ 0.005
與水混和度Miscibility with water 合格
醇溶解試驗Solubility(in alcohol) 合格
酸度(以HCOOH計)Acidity,% ≤ 0.01
項目 分析純
(AR)
沸程Boiling range,℃ 123.0~125.0
相對密度Specific gravity (20/20°C) 0.963～0.966
水溶解試驗Solubility(in water) 合格
酸度Acidity(以H+計)/（mmol/100g） ≤0.1
乙醇溶解試驗Solubility(in alcohol) 合格
折光率Refractive index n20/D 1.401～1.403
灼燒殘渣Residue ignition ≤0.005%
項目 優級純
(GR)
外觀Appearance 無色透明液體
紅外光譜鑒別Infrared spectrometry 和對照品匹配
純度Purity ≥99.5% (GC)
比重Specific gravity (20/20°C) 0.9646±0.005
水份Water ≤0.1%(K·F)
色度Color scale ≤15(Pt-Co)
項目名稱 ACS級
ACS Grade
含量(CH3OCH2CH2OH).Assay ≥99.3%
色度Color(APHA) 10
可滴定酸Titrable acid ≤0.002meq/g
水分(H2O)Water ≤0.1%
品級Grade 色譜純
(for HPLC, ≥99.7%)
外觀Appearance 無色液體
純度Purity (GC) ≥99.70 %
水分Water ≤0.05 %(by Karl Fischer)
蒸發殘渣Residue on Evaporation ≤0.0005 %
水分water <0.050%
蒸發殘渣evapn. residue <0.0005%
λ H2O reference
UV absorption
λ: 213 nm A: ≤1.00
λ: 240 nm A: ≤0.20
λ: 260 nm A: ≤0.05
λ: 300 nm A: ≤0.01
λ: 400 nm A: ≤0.01
品級Grade 光譜純
(spectrophotometric grade, ≥99.7%)
外觀Appearance 無色液體
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity (GC) ≥99.70 %
蒸發殘渣Residue on evaporation ≤0.0010%
水分water <0.020%
λ H2O reference
UV absorption
λ: 213 nm A: ≤1.00
λ: 240 nm A: ≤0.20
λ: 260 nm A: ≤0.05
λ: 300 nm A: ≤0.01
λ: 400 nm A: ≤0.01
品級Grade 氨基酸分析
(for amino acid analysis, ≥99.7% (GC))
含量assay ≥99.7% (GC)
過氧化物peroxides (as H2O2) ≤0.002%
游離酸free acid (as CH3COOH) ≤0.005%
水分water ≤0.1%
蒸發殘渣Residue on evaporation ≤0.003%
氨基酸分析amino acid analysis PASS
(as solvent for ninhydrin dyeing reagent)
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