Scapex Exports Pvt. Ltd.
830, 8th Floor, Sun Gravitas, Times of India Road,
Shyamal, Ahmedabad 380015, Gujarat, India
+91 9925522674 · info@scapexexports.com
CIN U46909GJ2025PTC164345
Shyamal, Ahmedabad 380015, Gujarat, India
+91 9925522674 · info@scapexexports.com
CIN U46909GJ2025PTC164345
Certificate of AnalysisStandard product specification
Solvent Yellow 18
Formulated product · ≥98% Technical
1. Product identity
| Product name | Solvent Yellow 18 |
|---|---|
| C.A.S. number | Applicable to blend — on request |
| Grade / standard | ≥98% Technical |
| Description | Yellow powder |
| Product group | Solvent Dyes |
| Category | Dyes & Dye Intermediates |
| Country of origin | India |
| Packing | Bags, drums, carboys, IBC or ISO tank as applicable — customer-specified packing available |
| Storage | Cool, dry, well-ventilated place in tightly closed original packing |
2. Analytical specification
| S. No. | Test parameter | Specification | Typical result | Method |
|---|---|---|---|---|
| 1 | Description | Yellow powder | Complies | Visual |
| 2 | Solubility | As per specification | Complies | Visual / Monograph |
| 3 | Assay | Not less than 98.0 % w/w | 98.29 | Spectrophotometry |
| 4 | Purity (by GC) | Not less than 99.5 % (area) | 99.77 | Gas Chromatography |
| 5 | Colour (APHA / Pt-Co) | Not more than 10 | 2 | ASTM D1209 |
| 6 | Water Content | Not more than 0.05 % w/w | 0.0103 | Karl Fischer titration |
| 7 | Acidity (as acetic acid) | Not more than 0.002 % w/w | 0.0006 | Titrimetry |
| 8 | Residue on Evaporation | Not more than 0.001 % w/w | 0.0003 | Gravimetry |
| 9 | Specific Gravity at 25 °C | As per specification | Conforms | Pycnometry / ASTM D4052 |
| 10 | Refractive Index at 20 °C | As per specification | Conforms | Refractometry / ASTM D1218 |
3. Declaration
This document sets out the standard specification for Solvent Yellow 18 and applies to all consignments of this product and grade supplied by Scapex Exports Pvt. Ltd. It is not a lot-specific release document; a lot-specific certificate carrying the analysis of the material actually shipped is issued with, and travels with, each consignment. Scapex Exports supplies against customer-specified assay limits and pharmacopoeial standards — send your specification sheet and we confirm compliance in writing before the order is accepted.
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