1,1,3,3-Tetrabutylurea Tetrabutylurea Urea, N,N,N',N'-tetrabutyl-
Description |
Tetrabutylurea (TBU) N,N,N',N'-Tetra-n-butylurea |
||
NO. |
Customer requirement |
Inspection standard |
Inspection Results |
1. |
Appearance |
Clear Liquid |
Clear Liquid |
2. |
Purity % ≥ |
99.5 |
99.6 |
3. |
Density (20℃)g/cm3 |
0.877±0.003 |
0.878 |
4. |
Sulphur PPM ≤ |
1 |
0.9 |
5. |
Cl PPM≤ |
5 |
5 |
6. |
Water % ≤ |
0.1 |
0.1 |
7. |
Color,APHA ≤ |
20 |
18 |
8. |
Surface tension (25℃) ≥ mN/m |
19.5 |
19.5 |
9. |
Dibutylamine %≤ |
0.1 |
0.03 |
10. |
Boiling range (ordinary pressure) ℃ |
310℃-315℃ |
315 |
11. |
Flash point ℃ ≥ |
140 |
142 |
INSPECTION RESULT: |
Qualified |
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