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Product Details:
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| Name: | Paraformaldehyde | Other Name: | Polyoxymethylene |
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| Purity: | ±96% | MF: | (CH2O)n |
| Appearance: | Irregular Powder | Standard: | Industrial Grade |
| High Light: | 30525-89-4 PFA Paraformaldehyde,Resin PFA Paraformaldehyde |
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Paraformaldehyde 30525-89-4 For Resin Polyoxymethylene POM CAS 30525-89-4 For Herbicide
Paraformaldehyde (PFA) is the smallest polyoxymethylene, the polymerization product of formaldehyde with a typical degree of polymerization of 8–100 units. Paraformaldehyde commonly has a slight odor of formaldehyde due to decomposition. Paraformaldehyde is a poly-acetal.Paraformaldehyde forms slowly in aqueous formaldehyde solutions as a white precipitate, especially if stored in the cold.
| Index item | Specification | Result |
| Formaldehyde % | ≥96+1% | 96.08% |
| Ash % | ≤1.5% | 0.70% |
| Acidity (as Formaldehyde)% | ≤0.03% | 0. 018% |
| PH value (10%25°C) | 4.0-7.0 | 5.5-5.6 |
| Heavy Metal(Lead) | ≤0.00002 | 0.00001 |
| Fe % | ≤0.002% | 0. 001% |
| Grandule Distribution(Mesh) | ＞60 | 50.43% |
| 60-80 | 10.34% | |
| 80-100 | 3.44% | |
| 100-200 | 11.93% | |
| ＜200 | 20.86% | |
| Appearance | white powder andgranule | white powder andgranule |
Paraformaldehyde is mainly used in the production and use of herbicides, and is also used in the preparation of synthetic resins (such as artificial horn products or artificial ivory) and adhesives.
At the same time, it is used for the disinfection of pharmaceutical industry (active ingredient of contraceptive cream), pharmacy, clothes and bedding, etc.Paraformaldehyde can also be used as a fumigant, fungicide and insecticide.
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