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
Acid Yellow 23 Aluminium Lake
CAS 12225-21-7 · Fine chemical grade — assay on specification
1. Product identity
| Product name | Acid Yellow 23 Aluminium Lake |
|---|---|
| C.A.S. number | 12225-21-7 |
| Grade / standard | Fine chemical grade — assay on specification |
| Description | Coloured powder |
| Product group | Synthetic 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 | Coloured 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 | Shade | Matching approved standard | Matches standard | Visual / Spectrophotometric |
| 5 | Strength vs. Standard | 100 ± 3 % | 100.3 % | Spectrophotometry |
| 6 | Moisture | Not more than 5.0 % w/w | 1.62 | Gravimetry |
| 7 | Matter Insoluble in Water | Not more than 1.0 % w/w | 0.175 | Gravimetry |
| 8 | Solubility in Water at 60 °C | Not less than 80 g/L | 116 g/L | In-house method |
| 9 | Light Fastness (ISO 105-B02) | Grade 5 – 6 minimum | Grade 6 | ISO 105-B02 |
| 10 | Wash Fastness (ISO 105-C06) | Grade 4 – 5 minimum | Grade 5 | ISO 105-C06 |
3. Declaration
This document sets out the standard specification for Acid Yellow 23 Aluminium Lake 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.
SCAPEXQUALITY ASSURED