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Trichloroethylene

Cas:
79-01-6
Molecular Structure:
MDL:
MFCD00000838
Molecular Formula:
C2HCl3; ClCH=CCl2
Molecular Weight:
131.39
Alias:
三氯代乙烯
Product order:
Name Specifications Packing Price Delivery
Trichloroethylene AR 500ml RMB 61.6 Consulting service
Trichloroethylene ACS,99.5% 500ml RMB 93.5 Consulting service
Trichloroethylene 1000μg/ml,溶剂:甲醇 2ml RMB 159.5 Consulting service
Trichloroethylene GR,>99.5%(GC) 500ml RMB 104.5 Consulting service
Trichloroethylene 光谱纯 500ml RMB 217.8 Consulting service
Character:
无色液体。有氯仿样的特殊气味,不燃、低粘度。在潮湿空气中能被光线缓慢分解生成盐酸。能与醇、醚和氯仿混和,能溶于多数油类,几乎不溶于水。药用常加入百里香酚或碳酸铵作稳定剂。工业上常用三乙醇胺、硬酯酸酯或甲酚作稳定剂。 密度:1.462 熔点:-86 ºC 沸点:87 ºC 折射率:1.476-1.478 
Quality Standard:
Q/(HG)SJ 517-1998
项目Item                           优级纯 分析纯   化学纯     
                                     (GR)  (AR)    (CP)      
含量(C2HCl3)  
Assay,%                            ≥ 99.5    99.0      98.5        
密度(20℃)Density,g/mL     1.462-1.465 1.462-1.465 1.462-1.466
蒸发残渣Evaporation residue,%      ≤ 0.004   0.004     0.005      
游离酸(以HCl计)Free acids,%        ≤ 0.001   0.001     0.002      
游离碱(以NH3计)
Free alkalies,%                    ≤ 0.0005 0.0005   0.01       
氯化物(Cl)Chloride,%                 合格    合格      合格        
氨基硝酸溶液还原物质Ammoniacal silven
nitrate solution reducing substances  合格    合格      合格        
游离氯(Cl)Free chlorine,%         ≤ 0.0001 0.0001    --         
水分(H2O)Water,%                   ≤ 0.01    0.01        --


ACS级
项目名称                                      ACS Grade
含量(CHClCCl2)Assay                            ≥99.5%
色度(黑曾单位)Color(APHA)                      ≤10
蒸发残渣Residue after evaporateion             ≤0.001%
可滴定酸Titrable acid                          ≤0.0001meq/g
可滴定碱Titrable base                          ≤0.0003meq/g
水分(H2O)Water                                ≤0.02%
重金属(以Pb计)Heavy metals                     ≤1ppm
游离卤素Free halogens                          Passes test


外观Appearance                          白色至米黄色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥98.0% (GC)  
熔点Melting point                       235°C - 240°C
水溶解试验solubility in water           合格
水分water                                ≤3%(K.F)
比旋光度Specific rotation [a]20/D       +24.0°~ +27.0°(C=2, 5mol/L HCl)

品级Grade                               光谱纯  
                               (spectrophotometric grade)
外观Appearance                          无色液体
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥99.5% (GC)  
λ H2O reference
紫外吸光值UV Absorbance
400nm                                  ≤0.06
350nm                                  ≤0.06
325nm                                  ≤0.08
300nm                                  ≤0.10
278nm                                  ≤1.0
水分Water                               ≤0.02 % (by Karl Fischer)
蒸发残渣Residue on Evaporation          ≤0.001 % 

Storage:
密封保存
用途  用作不燃性溶剂、测定碘价、有机合成。
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