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无色透明液体,为极性惰性溶剂。微有氯的气味,有吸湿性,能与水、乙醇、氯仿和乙醚等多数有机溶剂混溶,微溶于苯。
熔点:-61℃
沸点:152.8℃
密度:0.9445
闪点:58℃
折光率n20/D:1.4269
质量标准
项目分析纯
(AR)
纯度Purity≥99.5% (GC)
比重Specific gravity (20/20°C) 0.945~0.950
酸度Acidity(以H+计)/(mmol/100g) ≤0.1
碱度(以OH-计)/(mmol/100g) ≤0.1
色度Color scale/黑曾单位≤10
水分water ≤0.1%
铁Iron≤0.0005%
蒸发残渣Evaporation residue ≤0.005%<
项目优级纯
(GR)
外观Appearance清澈、无悬浮物
纯度Purity≥99.9% (GC
色度Color scale(铂-钴色号)Hazen ≤10
馏程(1.013×105pa馏出1-95%体积)℃ ≤2.0
水份water ≤500ppm
铁(Fe)≤0.05ppm
酸度Acidity(以甲酸计) ≤10.0 ppm
碱度(以二甲胺计)≤5.0 ppm
甲醇≤20.0ppm
电导率(25℃)μs/cm ≤2.0
PH值(25℃,20%水溶液) 6.5-8.0
折光率Refractive index1.4275~1.4290
品级Grade ACS光谱级
ACS spectrophotometric grade, ≥99.8%)
含量Assay[HCON(CH3)CH2] ≥99.8%
色度Color(APHA) 15
蒸发残渣Residue after evaporation ≤0.005%<
可滴定碱Titrable base ≤0.003meq/g
可滴定酸Titrable acid ≤0.005meq/g
游离卤素Free halogens Passes test
水分(H2O)Water≤0.15%
UV Absorbance 400nm ≤0.01
UV Absorbance 340nm ≤0.01
UV Absorbance 310nm ≤0.05
UV Absorbance 295nm ≤0.10
UV Absorbance 275nm ≤0.30
UV Absorbance 270nm ≤1.0
项目 农残级
(for residue analysis)
纯度Purity ≥99.9% (GC)<
非挥发性物质non-volatile matter≤0.001%
水分water≤0.05%(Karl Fischer)<
农残分析suitability for residue analysis ≤5 ng/L
红外(IR)检测合格<
GC/ECD(检测范围在1,2,4-三氯苯峰与癸氯联峰之间,单个峰以林丹为标准作参比)≤3pg/ml
注:农残级适合HPLC、GC、农残分析、光谱分析、有机合成等多用途高纯溶剂)<
项目 色谱纯
(HPLC)<
纯度Purity≥99.9% (GC)<
紫外吸光度UV Absorbance:
最大波长吸光度Wavelength (nm) Max. Absorbance
2681.000
2750.300
3000.050
3500.005
4000.005
杂质GC Impurities Eluting Before Solvent <0.5mg/L
水分Water<0.03%
备注:色谱纯用于 HPLC, GC, 光谱, 组合化学和非水滴定, 充氮包装
品级Grade 生物技术级
(biotech. grade, ≥99.9%)
外观Appearance液体
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity≥99.9% (GC
UV Absorbance 400nm ≤0.01
UV Absorbance 340nm ≤0.01
UV Absorbance 310nm ≤0.05
UV Absorbance 295nm ≤0.10
UV Absorbance 275nm ≤0.30
UV Absorbance 270nm ≤1.0
水分Water ≤0.005 % (by Karl Fischer
蒸发残渣Residue on Evaporation≤0.0005 %
游离胺Free Amines (as Dimethylamine)≤8 ppm
可滴定酸Titratable acid ≤0.0005 meq
可滴定碱Titratable base ≤0.003 meq
品级Grade 分子生物学级
(for molecular biology, ≥99.9%)
外观Appearance无色液体
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity≥99.9 % (GC)
水分Water (by Karl Fischer) ≤0.5 %
显色底物溶剂实验suitability pass test
suitable for solvent for chromogenic substrates (X-Gal, etc.) used in molecular biology applications.)
贮存:密封保存。
用途:许多疏水化合物的溶剂。非水溶液滴定用试剂,乙烯树脂和乙炔的溶剂,有机合成,光度测定,气相色谱固定液(最高使用温度50℃,溶剂为甲醇),分离分析C2-C5烃,并能分离正、异丁烯-[1]及顺、反丁烯-[2]。农药残留量分析。有机合成。肽的合成。照相工业用。
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