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
Benzenesulfonic Acid
CAS 98-11-3 · C6H6O3S · ≥90% Technical
Structural formula1. Product identity
| Product name | Benzenesulfonic Acid |
|---|---|
| C.A.S. number | 98-11-3 |
| Molecular formula | C6H6O3S |
| Molecular weight | 158.18 g/mol |
| Grade / standard | ≥90% Technical |
| Description | White solid/liquid |
| Product group | Sulfonic Acids |
| Category | Acids & Alkalis |
| 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 solid/liquid | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Assay | Not less than 90.0 % w/w | 91.23 | Titrimetry / Instrumental |
| 4 | Specific Gravity at 25 °C | As per specification | 0.875 | Hydrometry / ASTM D4052 |
| 5 | Colour (APHA) | Not more than 30 | 7 | ASTM D1209 |
| 6 | Chloride (as Cl) | Not more than 0.01 % w/w | 0.0024 | Turbidimetry / IC |
| 7 | Sulphate (as SO4) | Not more than 0.02 % w/w | 0.0040 | Turbidimetry / IC |
| 8 | Iron (as Fe) | Not more than 20 ppm | 3.6 ppm | ICP-OES / AAS |
| 9 | Heavy Metals (as Pb) | Not more than 10 ppm | Less than 5 ppm | ICP-OES |
3. Declaration
This document sets out the standard specification for Benzenesulfonic Acid 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