Certificate of Analysis and technical specification for 2,4-Di(tert-butoxy)pyrimidin-5-ylboronic acid hydrate, Variable anhydride content — CAS 109299-79-8. Applies to all consignments of this product and grade.
| Product Name | 2,4-Di(tert-butoxy)pyrimidin-5-ylboronic acid hydrate, Variable anhydride content |
|---|---|
| C.A.S. Number | 109299-79-8 |
| Product Category | Polymers, Resins & Additives |
| Product Group | Monomers & Polymer Chemicals |
| Grade / Standard | 97% min. |
| Physical Form | Crystalline solid — appearance as per specification |
| 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 | Crystalline solid — appearance as per specification | 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 | 98.32 | Titrimetry / Instrumental |
| 5 | Volatile Matter | Not more than 1.0 % w/w | 0.46 | Gravimetry |
| 6 | Ash Content | Not more than 0.5 % w/w | 0.116 | Gravimetry |
| 7 | Softening / Melting Point | As per specification | Conforms | ASTM D3461 / Capillary |
| 8 | Residue on 63 µm Sieve | Not more than 0.5 % | 0.148 | 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 | 0.37 | Karl Fischer / Gravimetry |
This document sets out the standard specification for 2,4-Di(tert-butoxy)pyrimidin-5-ylboronic acid hydrate, Variable anhydride content 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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