ECO TWEEN® 65
SIAL/STS0203
Synonym: TWEEN® 65; Polyoxyethylenesorbitan Tristearate
CAS Number: 9005-71-4
MDL Number: MFCD00165348
Product Type: Chemical
12 Principles of Green Chemistry: Principle 7—A raw material or feedstock should be renewable rather than depleting whenever technically and economically practicable.
12 Principles of Green Chemistry: Principle 10—Chemical products should be designed so that at the end of their function they break down into innocuous degradation products and do not persist in the environment.
| composition | Stearic acid, ≥40% (balance primarily palmitic acid) |
| description | non-ionic |
| form | liquid |
| greener alternative category | Aligned  |
| greener alternative product characteristics | Use of Renewable Feedstocks Design for Degradation Learn more about the Principles of Green Chemistry . |
| HLB | 10.5 |
| Quality Level | 200 |
| Application: | TWEEN 65 has been used in a study as a carbon source for the reductive dechlorination of hexachlorobenzene in a mixed, methanogenic culture. It has also been used in a study to investigate its ability to stimulate growth of the hypocotyl of Amaranthus caudatus L. |
| Features and Benefits: | • 100 % Renewable • 100 % Bio-based • Certified to the USDA BioPreferred Program • Lower carbon footprint than petrochemical-based versions |
| General description: | We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Green Chemistry. This product is a biobased surfactant and is aligned with the 7th principle of Green Chemistry "Use of Renewable Feedstocks" and the 10th principle "Design for Degradation". TWEEN 65 is a fatty acid polyoxyethylene ester of sorbitan. |
| Legal Information: | TWEEN is a registered trademark of Croda International PLC |
| WGK Germany | WGK 1 |
| Flash Point(F) | 300.2 °F - closed cup |
| Flash Point(C) | 149.00 °C - closed cup |