|
 |
 Trichloroethylene |
| Chemical Name: |
Trichloroethylene |
| CAS RN.: |
-- |
| Molecular Formula: |
C2HCl3 |
| Molecular Weight: |
131.39 |
| Commodity Code: |
|
Structural Formula:: |
CHCl=CCl2 |
| Appearance: |
colorless transparent fluid liquid with choloroform-like odor |
| Physical Properties: |
①b.p.: 87.19℃ ②relative density: 1.4649 ③no flash point ④ignition point: 425℃ |
| Chemical Properties: |
It will be gradually oxidized in the air without stabilizer; with stabilizer, it is very stable. |
| Quality Spec.: |
Item |
Details |
Measured value |
Best quality |
First quality |
Qualifier |
Color(Hazen Pt-Co)≤ |
15 |
30 |
40 |
＜15 |
Density p 20 (g/cm3) |
1.460~1.466 |
1.457~1.472 |
1.466 |
Distillation test (0℃101.325KPa |
Melting point ,℃≥ |
85.5 |
85.0 |
84.5 |
86.4 |
95% distillation temp. (V/V) ,℃≤ |
88.5 |
89 |
90.0 |
86.8 |
Dry point,℃≤ |
91.0 |
91.0 |
91.0 |
87.0 |
Purity,% ≥ |
99.92 |
—— |
—— |
99.99 |
Acidity (HCL),% ≤ |
0.001 |
—— |
Basicity (NaOH),% ≤ |
0.025 |
0.002 |
Moisture,% ≤ |
0.01 |
0.02 |
0.0035 |
Free chlorine |
qualified |
—— |
qualified |
Residue on evaporation,% ≤ |
0.005 |
0.010 |
0.0009 |
Acidity after accelerated oxidation test (HCL),% ≤ |
0.02 |
—— |
＜0.02 |
|
| Use: |
It is an excellent solvent used as substitute of benzene and gasoline; mainly used for metal degreasing, surface treatment of oil,paraffin etc. |
| Notes: |
It is highly toxic, IMDG: 84009. Max. concentration in the workshop: 30mg/m3(TJ36-79)
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