Certificate of Analysis and technical specification for DL-Methionine — CAS 59-51-8. Applies to all consignments of this product and grade.
| Product Name | DL-Methionine |
|---|---|
| C.A.S. Number | 59-51-8 |
| Product Category | Veterinary APIs & Feed Additives |
| Product Group | Feed Additives |
| Grade / Standard | Feed Grade |
| Physical Form | White crystalline powder |
| 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 | White crystalline powder | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Solubility | As per specification | Complies | Visual / Monograph |
| 4 | Clarity & Colour of Solution | Clear; not more intensely coloured than reference | Complies | Visual (Monograph) |
| 5 | pH (1 % w/v aqueous solution) | As per monograph | 5.4 | Potentiometry |
| 6 | Water Content (Karl Fischer) | Not more than 0.5 % w/w | 0.21 | Karl Fischer titration |
| 7 | Melting Range / Point | As per monograph | Complies | Capillary method |
| 8 | Particle Size (d90) | As per specification | 130 µm | Laser diffraction |
| 9 | Heavy Metals (as Pb) | Not more than 10 ppm | Less than 5 ppm | ICP-OES |
This document sets out the standard specification for DL-Methionine 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.
Send the specification you work to — we confirm the grade, packing, documentation set and CIF/FOB price within one business day.
