Certificate of Analysis and technical specification for N-Isopropyl-N-phenyl-p-phenylenediamine — CAS 101-72-4. Applies to all consignments of this product and grade.
| Product Name | N-Isopropyl-N-phenyl-p-phenylenediamine |
|---|---|
| C.A.S. Number | 101-72-4 |
| Product Category | Plastic & Rubber Chemicals |
| Product Group | Antidegradants & Antiozonants |
| Grade / Standard | ≥97% purity |
| Physical Form | Dark purple flakes |
| Country of Origin | India |
| Packing | Standard export packing — bags, drums, carboys, IBC or ISO tank as applicable |
| Storage | Cool, dry, well-ventilated place in tightly closed original packing |
| S. No. | Test Parameter | Specification | Typical Result | Method |
|---|---|---|---|---|
| 1 | Description | Dark purple flakes | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Solubility | As per specification | Complies | Visual / Monograph |
| 4 | Assay | Not less than 97.0 % w/w | 98.30 | Titrimetry / Instrumental |
| 5 | Volatile Matter | Not more than 1.0 % w/w | 0.16 | Gravimetry |
| 6 | Ash Content | Not more than 0.5 % w/w | 0.187 | Gravimetry |
| 7 | Softening / Melting Point | As per specification | Conforms | ASTM D3461 / Capillary |
| 8 | Residue on 63 µm Sieve | Not more than 0.5 % | 0.043 | Sieve analysis |
| 9 | Heavy Metals (as Pb) | Not more than 20 ppm | Less than 10 ppm | ICP-OES |
| 10 | Moisture | Not more than 1.0 % w/w | 0.54 | Karl Fischer / Gravimetry |
This document sets out the standard specification for N-Isopropyl-N-phenyl-p-phenylenediamine and applies to all consignments of this grade. It is not a lot-specific release document; a lot-specific certificate carrying the analysis of the material actually shipped is issued with each consignment. Scapex Exports supplies against customer-specified assay limits and pharmacopoeial standards — send your specification sheet and we will confirm compliance before order.
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