Certificate of Analysis and technical specification for Sorbitan Monostearate (Span 60) — CAS 1338-41-6. Applies to all consignments of this product and grade.
| Product Name | Sorbitan Monostearate (Span 60) |
|---|---|
| C.A.S. Number | 1338-41-6 |
| Product Category | Surfactants & Oleochemicals |
| Product Group | Nonionic Surfactants |
| Grade / Standard | 100% active |
| Physical Form | Cream colored waxy solid |
| 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 | Cream colored waxy solid | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Solubility | As per specification | Complies | Visual / Monograph |
| 4 | Active Matter | Not less than 100.0 % w/w | 100.00 | Titrimetry (Epton / two-phase) |
| 5 | pH (1 % aqueous solution) | 7.0 – 10.0 | 8.9 | Potentiometry |
| 6 | Free Alkali | Not more than 0.5 % w/w | 0.178 | Titrimetry |
| 7 | Matter Insoluble in Alcohol | Not more than 2.0 % w/w | 0.98 | Gravimetry |
| 8 | Moisture | Not more than 1.0 % w/w | 0.47 | Karl Fischer / Gravimetry |
This document sets out the standard specification for Sorbitan Monostearate (Span 60) 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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