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Triphenylphosphine (as the specialized and top-grade product of our company ) is an important catalyst for the synthesis of fine chemicals. It can be used in new petroleum processing catalysts; new biocatalysts; new catalysts for organic synthesis; new catalysts for polyolefins; new materials for catalyst carriers and various new catalyst-promoting materials; it can also be used as functional fine chemicals, new papermaking special chemicals; new oilfield chemicals suitable for protective mining and improving oil recovery; high-performance water-based functional coatings and auxiliaries; new textile dyeing and finishing auxiliaries; high-performance environmentally friendly adhesives; new safe and environmentally friendly pigments and dyes; high-performance environmentally friendly leather chemicals. It can also be used as an intermediate for the chemical synthesis of various important chemical products, such as: β-carotene, vitamin A, D2, cefprozil and cefdinir, etc.
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Product name |
Triphenylphosphine |
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Abbreviation |
TPP |
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Molecular formula |
C18H15P |
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Molecular weight |
262.28 |
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CAS Number |
603-35-0 |
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Packing Unit |
25kg |
100kg |
500kg |
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Production scale |
industry |
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Characteristics |
White crystals, white flakes or white powdery solid, easily soluble in alcohol, benzene, chloroform, slightly soluble in fat; almost insoluble in water. |
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Melting point |
78.5-81.5 |
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Boiling Point |
377℃ |
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Grade |
Qualified products |
First grade |
Top grade |
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Chromatographic purity gc%≥ |
99.8 |
99.9 |
99.85 |
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Triphenylphosphine (gc) ≤ |
0.15 |
0.1 |
0.1 |
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Drying loss%≤ |
0.15 |
0.1 |
0.1 |
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Color |
20 |
10 |
10 |
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Sulfur ppm≤ |
— |
— |
5 |
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Chlorine ppm≤ |
— |
— |
10 |
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Sodium ppm≤ |
— |
— |
1 |
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Magnesium ppm≤ |
— |
— |
1 |
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Iron ppm≤ |
— |
— |
1 |
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Ash |
＜100ppm |
＜100ppm |
＜100ppm |
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Loss on drying |
<0.2% |
<0.2% |
<0.1% |
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Melting point |
79.5-82 |
80-82 |
80-82 |
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Transmittance of 4% carbon tetrachloride solution |
≥75% |
≥85% |
≥95% |
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