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
Sulfolane
CAS 126-33-0 · C4H8O2S · ≥99.0% Technical
Structural formula1. Product identity
| Product name | Sulfolane |
|---|---|
| C.A.S. number | 126-33-0 |
| Molecular formula | C4H8O2S |
| Molecular weight | 120.17 g/mol |
| Grade / standard | ≥99.0% Technical |
| Description | Colorless liquid/solid |
| Product group | Polar Aprotic Solvents |
| Category | Solvents & Glycols |
| 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/solid | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Assay | Not less than 99.0 % w/w | 99.34 | Gas Chromatography |
| 4 | Purity (by GC) | Not less than 99.5 % (area) | 99.84 | Gas Chromatography |
| 5 | Colour (APHA / Pt-Co) | Not more than 10 | 6 | ASTM D1209 |
| 6 | Water Content | Not more than 0.05 % w/w | 0.0112 | Karl Fischer titration |
| 7 | Acidity (as acetic acid) | Not more than 0.002 % w/w | 0.0009 | Titrimetry |
| 8 | Residue on Evaporation | Not more than 0.001 % w/w | 0.0005 | Gravimetry |
| 9 | Specific Gravity at 25 °C | 1.258 – 1.264 | 1.2613 | Pycnometry / ASTM D4052 |
| 10 | Refractive Index at 20 °C | 1.4800 – 1.4840 | 1.4815 | Refractometry / ASTM D1218 |
3. Declaration
This document sets out the standard specification for Sulfolane 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