Skip to content
Product Line: Catalysts & Auxiliaries

Span 80

CAS 1338-43-8

Molecular structure of Span 80

CAS · 1338-43-8

01

Product Overview

Span 80 is a high-purity surfactants supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Grade Pharmaceutical grade
Appearance Amber to brown viscous oily liquid
Odour Slight stench.
Colour Lovibond (R/Y) 3R 20Y max.
Solubility Insoluble in water or propylene glycol.
Fatty acid 73~77%
Polyols 28~32%
Acid Value 8 mg KOH/g max.
Saponification Value 145~160 mg KOH/g
Hydroxyl Value 190~215 mg KOH/g
Water 1.0% max.
Lead 2 mg/kg max.
Arsenic 3 mg/kg max.
Iodine value 62~76 g I₂/100 g
Peroxide Value 10 meq/kg max.
Identification Apposite
C14:0 5.0% max.
C16:0 16.0% max.
C16:1 8.0% max.
C18:0 6.0% max.
C18:1 65.0~88.0% max.
C18:2 18.0% max.
C18:3 4.0% max.
C18 above 4.0% max.
Residue on Ignition 0.5% max.
Heavy Metals 10.0 mg/kg max.
03

Applications

Detailed application notes for this product are available on request. Contact our technical team for the full application dossier, formulation guidance and regulatory documentation.

04

Benefits

The key benefits and differentiators of this product are available on request. Contact us for performance data, comparative specifications and selection guidance.

05

Conclusion

A concise summary and suitability assessment for this product is available on request. Contact our team to discuss whether it fits your process and quality requirements.