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p-Phenylenediamine (PPD)
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Product Description and Uses
PPD is used as a component of engineering polymers and composites, aramid fibers, rubber chemicals, textile dyes and pigments. PPD is selected for the outstanding properties it imparts, including high temperature stability, high strength, and chemical and electrical resistance.
PPD is offered molten in bulk or in free-flowing flakes. Three grades are available to meet your specific needs. PPD AD (derived from an aniline process) is preferred for most uses, including resin and polymer applications.
| PPD AD | General uses |
| PPD AD Ultra Pure | Special high purity |
| PPD AD Molten | General uses, bulk |
p-Phenylenediamine is soluble in water, alcohol, and ether and only slightly soluble in chloroform. All grades of PPD are sensitive to air and/or moisture, and the presence of either tends to hasten color deterioration. It may darken on storage. This effect is less pronounced in the high purity grade.
We does not recommend and will not knowingly offer or sell p-phenylenediamine (PPD) for uses involving prolonged skin contact. Such uses may involve, but are not limited to, products formulated with henna for tattoo applications or other skin coloration effects. This use of PPD in prolonged skin contact application has the potential to induce allergic skin reactions in sensitive individuals.
Persons proposing to use PPD in any formulation involving any more than incidental skin contact must rely on their own medical and legal judgment without any representation on our part. They must accept full responsibility for the safety and effectiveness of their formulations.
Specifications
Specifications and other information on PPD are easily obtained by contacting us.
Typical Physical Properties*
| Property | Typical Value | |
Molecular Weight | 108.1 | |
| Specific Gravity at 1600C (3200F) | 1.04 | |
| Boiling Point (760 mmHg) | 0C (0F) | 274 (525) |
| Melting Point Range | 0C (0F) | 142 (288) |
| pH Information | 9.45 (Water Extract) | |
| Odor | Slight Aromatic | |
| Formula | C6H4(NH2)2 |
More detail please contact us
p-Phenylenediamine (PPD)
