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
Hexamethyldisiloxane, 98+%
CAS 107-46-0 · C6H18OSi2 · ≥98% Technical
Structural formula1. Product identity
| Product name | Hexamethyldisiloxane, 98+% |
|---|---|
| C.A.S. number | 107-46-0 |
| Molecular formula | C6H18OSi2 |
| Molecular weight | 162.38 g/mol |
| Grade / standard | ≥98% Technical |
| Description | Colorless liquid |
| Product group | Silicone Intermediates |
| Category | Polymers, Resins & Additives |
| 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 | Colorless liquid | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Assay | Not less than 98.0 % w/w | 98.29 | Titrimetry / Instrumental |
| 4 | Non-volatile Content (Solids) | As per specification | 56.0 % w/w | Gravimetry / ASTM D1644 |
| 5 | Viscosity at 25 °C | As per specification | 632 cP | Brookfield viscometry |
| 6 | pH (as supplied) | As per specification | 5.7 | Potentiometry |
| 7 | Density at 25 °C | As per specification | 1.155 g/mL | ASTM D1475 |
| 8 | Heavy Metals (as Pb) | Not more than 20 ppm | Less than 10 ppm | ICP-OES |
3. Declaration
This document sets out the standard specification for Hexamethyldisiloxane, 98+% 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