Certificate of Analysis and technical specification for Iron Oxide Black — CAS 1317-61-9. Applies to all consignments of this product and grade.
| Product Name | Iron Oxide Black |
|---|---|
| C.A.S. Number | 1317-61-9 |
| Product Category | Pigments & Minerals |
| Product Group | Inorganic Pigments |
| Grade / Standard | ≥90% Purity |
| Physical Form | Black 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 | Black 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 | Assay | Not less than 90.0 % w/w | 90.48 | Titrimetry / Instrumental |
| 5 | Shade | Matching approved standard | Matches standard | Visual / Spectrophotometric |
| 6 | Strength vs. Standard | 100 ± 3 % | 99.3 % | Spectrophotometry |
| 7 | Moisture | Not more than 5.0 % w/w | 2.40 | Gravimetry |
| 8 | Matter Insoluble in Water | Not more than 1.0 % w/w | 0.208 | Gravimetry |
| 9 | Oil Absorption | As per specification | 32 g/100 g | ISO 787-5 |
| 10 | Residue on 45 µm Sieve | Not more than 0.1 % | 0.037 | ISO 787-18 |
| 11 | pH (10 % aqueous suspension) | 6.0 – 9.0 | 7.3 | ISO 787-9 |
This document sets out the standard specification for Iron Oxide Black 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.
