性状 无色透明易挥发液体,具有类似醚的刺激性气味。溶于约50倍的水,溶于酚、醛、酮、冰醋酸、磷酸三乙酯、乙酰乙酸乙酯、环己胺。与其他氯代烃溶剂和乙醇、乙醚及N,N-二甲基甲酰胺混溶,临界温度245℃,临界压力6.171MPa。 沸点:40℃ 密度:1.325 熔点:-97℃ 折光率:1.4244 备注: 以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。 质量标准 GB/T 16983-1997 项目Item 分析纯 化学纯 (AR) (CP) 含量(CH2Cl2)Assay,% ≥ 99.5 99.0 色度,黑曾单位Color ≤ 10 20 密度(20℃)Density,g/mL 1.320-1.330 1.320-1.330 蒸发残渣Evaporation residue,% ≤ 0.002 0.004 酸度(以H+计)Acidity,mmol/100mg ≤ 0.002 0.004 游离氯(Cl)Free chlorine,% ≤ 0.0001 0.0002 铁(Fe)Iron,% ≤ 0.0001 0.0002 水分(H2O)Water,% ≤ 0.05 0.10
品级Grade ACS级 (ACS reagent, ≥99.5%) 外观Appearance Colorless liquid 红外光谱鉴别Infrared spectrometry Conforms 含量(CH2Cl2)Assay ≥99.5% 色度,黑曾单位COLOR TEST ≤10 APHA 蒸发残渣Residue after evaporation ≤0.002% 可滴定酸Titrable acid ≤0.0003meq/g 游离卤素Free halogens Passes test 水分Water ≤0.02% 稳定剂stabilizer 50ppm amylene
品级Grade ACS级 (ACS reagent, ≥99.8% (GC), ≤0.001% water) 含量assay ≥99.8% (GC) 游离氯free chlorine (Cl) ≤0.00002% 甲醛formaldehyde ≤0.0005% 非蒸发物non volatile matter ≤0.0005% 游离酸free acid (as HCl) ≤0.001% 水分water ≤0.001% (Karl Fischer) 氯仿chloroform ≤0.01% (GC) 四氯化碳tetrachloromethane ≤0.01% (GC) 氯chloride (Cl-): ≤0.5 ppm cation traces by ICP Atomic emission Al: ≤0.5 ppm B: ≤0.02 ppm Ba: ≤1 ppm Ca: ≤0.5 ppm Cd: ≤0.05 ppm Co: ≤0.02 ppm Cr: ≤0.02 ppm Cu: ≤0.02 ppm Fe: ≤0.1 ppm Mg: ≤0.1 ppm Mn: ≤0.02 ppm Ni: ≤0.02 ppm Pb: ≤0.1 ppm Sn: ≤0.1 ppm Zn: ≤0.1 ppm suitability complies for reaction against H2SO4 稳定剂stabilizer ~25 mg/L amylene
品级Grade 色谱纯 (for HPLC, ≥99.9%) 含量 ≥99.9%(GC) 色度 ≤10Hazen 外观 Colorless liquid λ H2O reference UV absorption λ: 235 nm ≤1.0 λ: 240 nm ≤0.10 λ: 250 nm ≤0.02 λ: 300 nm ≤0.005 λ: 400 nm ≤0.005 游离酸(HCI) ≤0.001% 游离氯 合格 不挥发物 ≤0.001% 水分 ≤0.02% 稳定剂stabilizer 50-150 ppm amylene
品级Grade 农残级 (for residue analysis , ≥99.9%) 纯度Purity ≥99.9%(GC) 七氯环氧化物Heptachlor epoxide ≤10 ng/L 色度 ≤10Hazen 外观 Colorless liquid 蒸发残渣Residue after evaporation ≤0.0001% 不挥发物 ≤0.001% 水分 ≤0.01%(KF) 稳定剂stabilizer 50-150 ppm amylene
品级Grade 多肽合成级 (grade for peptide synthesis) 含量assay ≥99.9% (GC) 水分water ≤0.01% 多肽合成之胺试验amine test Pass
品级Grade 气相色谱级 (for gas chromatography,≥99.8%) 纯度Purity (GC) ≥ 99.8 % 红外光谱鉴别Identity (IR) conforms 蒸发残渣residue on evaporation ≤ 5.0 mg/l 水分Water ≤ 0.01 % 色度Colour ≤ 10 Hazen GC/ECD (retention range 1,2,4-trichlorobenzene to decachlorobiphenyle individual signals (lindane standard)) ≤ 3 pg/ml suitable for residue analysis Pass
品级Grade 光谱级 (for spectroscopy, ≥99.9% (GC)) 纯度Purity (GC) ≥ 99.9 % 色度Color ≤ 10 Hazen 酸度Acidity ≤ 0.0005 meq/g 碱度Alkalinity ≤ 0.0002 meq/g Fluorescence as quinine at 254 nm ≤ 1 ppb as quinine at 365 nm ≤ 1 ppb 透光度Transmission at 235 nm ≥ 10 % at 240 nm ≥ 50 % at 245 nm ≥ 80 % at 248 nm ≥ 90 % from 255 nm ≥ 98 % Evaporation residue ≤ 0.0005 % Water ≤ 0.01 % 稳定剂stabilizer 50ppm 2-Methyl-2-butene
品级Grade 超干级 dried (max. 0.004% H2O) Purity (GC) ≥ 99.9 % Identity (IR) conforms Colour ≤ 10 Hazen Acidity ≤ 0.0005 meq/g Alkalinity ≤ 0.0002 meq/g Chloroform (GC) ≤ 0.01 % Carbon tetrachloride (GC) ≤ 0.01 % residue on evaporation ≤ 10 mg/l Water ≤ 0.004 % stabilizer 50ppm 2-Methyl-2-butene 贮存 密封避光保存。 用途 联合国编号 1593 Risk: R40 Safety : S23 S24/25 S36/37 Hazard : Xn
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