Certificate of Analysis and technical specification for Sorbitan Monolaurate (Span 20) — CAS 1338-39-2. Applies to all consignments of this product and grade.
| Product Name | Sorbitan Monolaurate (Span 20) |
|---|---|
| C.A.S. Number | 1338-39-2 |
| Product Category | Surfactants & Oleochemicals |
| Product Group | Nonionic Surfactants |
| Grade / Standard | 100% active |
| Physical Form | Amber liquid |
| Country of Origin | India |
| Packing | Standard export packing — bags, drums, carboys, IBC or ISO tank as applicable |
| Storage | Cool, dry, well-ventilated place in tightly closed original packing |
| S. No. | Test Parameter | Specification | Typical Result | Method |
|---|---|---|---|---|
| 1 | Description | Amber liquid | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Active Matter | Not less than 100.0 % w/w | 100.00 | Titrimetry (Epton / two-phase) |
| 4 | pH (10 % aqueous solution) | 6.0 – 9.0 | 7.8 | Potentiometry |
| 5 | Colour (Klett, 5 % solution) | Not more than 40 | 19 | Klett colorimetry |
| 6 | Free Oil / Unsulphated Matter | Not more than 2.0 % w/w | 1.05 | Solvent extraction |
| 7 | Sodium Sulphate | Not more than 1.5 % w/w | 0.98 | Titrimetry |
| 8 | Viscosity at 25 °C | As per specification | 3791 cP | Brookfield viscometry |
This document sets out the standard specification for Sorbitan Monolaurate (Span 20) and applies to all consignments of this grade. It is not a lot-specific release document; a lot-specific certificate carrying the analysis of the material actually shipped is issued with each consignment. Scapex Exports supplies against customer-specified assay limits and pharmacopoeial standards — send your specification sheet and we will confirm compliance before order.
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