Ammonium Polyphosphate (68333-79-9)
1. Basic Information
1. Chemical Name: Ammonium Polyphosphate
2. Chinese Alias: 聚磷酸铵
3. English Name: (hydroxy-phosphonooxy-phosphoryl)oxyphosphonic acid
4. Molecular Formula: H8NO10P3
5. Molecular Weight: 274.98
6. CAS Number: 68333-79-9
7. EINECS Number: 604-581-7
8. Appearance: White or off-white powder or granules
2. Technical Parameters
| Item | Standard | Type I | Type II | First Grade | Qualified Grade |
|------|---------|--------|---------|--------------|----------------|
| P2O5 (w/%) ≥ | 71.0 | 69.0 | 67.0 |
| Nitrogen (N) w/% ≥ | 14.0 | 13.0 | 12.0 |
| Average Degree of Polymerization ≥ | 1000 | 50 | 20 |
| Particle Size |
| Pass 2 mm sieve w/% ≥ | — | 95 | 95 |
| D50/μm ≤ | 20 | — | — |
| Solubility (g/100 mL H2O) ≤ | 0.5 | — | — |
| Moisture w/% ≤ | 0.25 | 0.5 | 1.0 |
| Bulk Density (g/mL) ≥ | 0.5 | 0.5 | 0.5 |
Particle size specifications can be negotiated according to user requirements.
(The above parameters are for reference; the actual product shall be based on the factory test report.)
3. Packaging
25 kg bag