Industrial Chemicals
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Industrial Chemicals
NO.8017-16-1
Polyphosphate is a kind of inorganic substance, chemical formula for Hn+2PnO3n+1, colorless transparent viscous liquid, corrosive, belongs to the second grade inorganic acid corrosion items. Polyphosphate is a protic acid, which can dissolve a variety of low molecular and high molecular organic compounds. In organic synthesis used as a loss of water agent, cyclization agent, acylation agent, condensation, cyclization, rearrangement, substitution and other reactions of catalyst or solvent. Polyphosphate (PPE) classes are sometimes used to increase the solubility of polyphosphate in organic solvents. In addition, polyphosphate is also used as a substitute for orthophosphate and an analytical reagent.
Application
In organic synthesis used as a loss of water agent, cyclization agent, acylation agent, condensation, cyclization, rearrangement, substitution and other reactions of catalyst or solvent. Polyphosphate (PPE) classes are sometimes used to increase the solubility of polyphosphate in organic solvents. In addition, polyphosphate is also used as a substitute for orthophosphate and an analytical reagent.
Specification
105%:
| Items | Unit | Lower Limit | Upper Limit |
| Appearance | Clear colorless paste | ||
| Purity (H3PO4) | % | 105.0 | |
| Chroma | Hazen | 30 | |
| Fe | % | 0.0020 | |
| As | % | 0.0100 | |
| Heavy metal (Pb) | % | 0.0030 | |
| Chloride | % | 0.0010 | |
115%
| Items | Unit | Lower Limit | Upper Limit |
| Appearance | Clear colorless paste | ||
| Purity (H3PO4) | % | 115.0 | |
| Chroma | Hazen | 30 | |
| Fe | % | 0.0020 | |
| As | % | 0.0100 | |
| Heavy metal (Pb) | % | 0.0030 | |
| Chloride | % | 0.0010 | |
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