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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,溶劑:甲醇 2ml RMB 159.5 Consulting service
Trichloroethylene GR,>99.5%(GC) 500ml RMB 104.5 Consulting service
Trichloroethylene 光譜純 500ml RMB 217.8 Consulting service
Character:
無(wú)色液體。有氯仿樣的特殊氣味,不燃、低粘度。在潮濕空氣中能被光線緩慢分解生成鹽酸。能與醇、醚和氯仿混和,能溶于多數(shù)油類(lèi),幾乎不溶于水。藥用常加入百里香酚或碳酸銨作穩(wěn)定劑。工業(yè)上常用三乙醇胺、硬酯酸酯或甲酚作穩(wěn)定劑。 密度:1.462 熔點(diǎn):-86 oC 沸點(diǎn):87 oC 折射率:1.476-1.478 
Quality Standard:
Q/(HG)SJ 517-1998
項(xiàng)目Item                           優(yōu)級(jí)純 分析純   化學(xué)純     
                                     (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
蒸發(fā)殘?jiān)麰vaporation residue,%      ≤ 0.004   0.004     0.005      
游離酸(以HCl計(jì))Free acids,%        ≤ 0.001   0.001     0.002      
游離堿(以NH3計(jì))
Free alkalies,%                    ≤ 0.0005 0.0005   0.01       
氯化物(Cl)Chloride,%                 合格    合格      合格        
氨基硝酸溶液還原物質(zhì)Ammoniacal silven
nitrate solution reducing substances  合格    合格      合格        
游離氯(Cl)Free chlorine,%         ≤ 0.0001 0.0001    --         
水分(H2O)Water,%                   ≤ 0.01    0.01        --


ACS級(jí)
項(xiàng)目名稱(chēng)                                      ACS Grade
含量(CHClCCl2)Assay                            ≥99.5%
色度(黑曾單位)Color(APHA)                      ≤10
蒸發(fā)殘?jiān)黂esidue after evaporateion             ≤0.001%
可滴定酸Titrable acid                          ≤0.0001meq/g
可滴定堿Titrable base                          ≤0.0003meq/g
水分(H2O)Water                                ≤0.02%
重金屬(以Pb計(jì))Heavy metals                     ≤1ppm
游離鹵素Free halogens                          Passes test


外觀Appearance                          白色至米黃色粉末
紅外光譜鑒別Infrared spectrometry       Conforms
純度Purity                              ≥98.0% (GC)  
熔點(diǎn)Melting point                       235°C - 240°C
水溶解試驗(yàn)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)

品級(jí)Grade                               光譜純  
                               (spectrophotometric grade)
外觀Appearance                          無(wú)色液體
紅外光譜鑒別Infrared spectrometry       Conforms
純度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)
蒸發(fā)殘?jiān)黂esidue on Evaporation          ≤0.001 % 

Storage:
密封保存
用途  用作不燃性溶劑、測(cè)定碘價(jià)、有機(jī)合成。
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