Certificate of Analysis and technical specification for Diethyl n-Butylmalonate. Applies to all consignments of this product and grade.
| Product Name | Diethyl n-Butylmalonate |
|---|---|
| C.A.S. Number | Applicable to blend — on request |
| Product Category | Pharmaceutical Intermediates |
| Product Group | Malonate Esters |
| Grade / Standard | ≥97% Technical |
| Physical Form | Colourless liquid |
| 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 | Colourless liquid | Complies | Visual |
| 2 | Assay | Not less than 97.0 % w/w | 97.69 | Titrimetry / Instrumental |
| 3 | Clarity & Colour of Solution | Clear; not more intensely coloured than reference | Complies | Visual (Monograph) |
| 4 | pH (1 % w/v aqueous solution) | As per monograph | 6.2 | Potentiometry |
| 5 | Water Content (Karl Fischer) | Not more than 0.5 % w/w | 0.22 | Karl Fischer titration |
| 6 | Melting Range / Point | As per monograph | Complies | Capillary method |
| 7 | Particle Size (d90) | As per specification | 61 µm | Laser diffraction |
This document sets out the standard specification for Diethyl n-Butylmalonate 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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