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
Zirconium silicate
CAS 10101-52-7 · O4SiZr · ≥98% Purity
Structural formula1. Product identity
| Product name | Zirconium silicate |
|---|---|
| C.A.S. number | 10101-52-7 |
| Molecular formula | O4SiZr |
| Molecular weight | 183.31 g/mol |
| Grade / standard | ≥98% Purity |
| Description | White fine powder |
| Product group | Minerals & Extenders |
| Category | Pigments & Minerals |
| 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 | White fine 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 98.0 % w/w | 98.33 | Titrimetry / Instrumental |
| 5 | Shade | Matching approved standard | Matches standard | Visual / Spectrophotometric |
| 6 | Strength vs. Standard | 100 ± 3 % | 101.2 % | Spectrophotometry |
| 7 | Moisture | Not more than 5.0 % w/w | 1.71 | Gravimetry |
| 8 | Matter Insoluble in Water | Not more than 1.0 % w/w | 0.285 | Gravimetry |
| 9 | Oil Absorption | As per specification | 42 g/100 g | ISO 787-5 |
| 10 | Residue on 45 µm Sieve | Not more than 0.1 % | 0.021 | ISO 787-18 |
| 11 | pH (10 % aqueous suspension) | 6.0 – 9.0 | 7.4 | ISO 787-9 |
3. Declaration
This document sets out the standard specification for Zirconium silicate 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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