Synoflex® ASE is an environmentally friendly plasticizer and adhesion promoter characterized by excellent gelling properties and strong saponification resistance. It is a high-performance, cost-effective alternative to Mesamoll (Lanxess) and other alkylsulfonic phenyl ester plasticizers.
Its unique chemistry offers a favorable toxicological and environmental profile, making it suitable for sensitive applications including food-contact materials, toys, and medical devices.
Synoflex® ASE
(Environmentally Friendly Plasticizer / Adhesion Promoter)
Chemical Name: Alkylsulfonic phenyl ester;Sulfonic acids, C10-21-alkane, Ph esters
CAS No.: 91082-17-6
Molecular structure：
Synoflex® ASE is an environmentally friendly plasticizer and adhesion promoter characterized by excellent gelling properties and strong saponification resistance. It is a high-performance, cost-effective alternative to Mesamoll (Lanxess) and other alkylsulfonic phenyl ester plasticizers.
Its unique chemistry offers a favorable toxicological and environmental profile, making it suitable for sensitive applications including food-contact materials, toys, and medical devices.
Property (Unit) | Specification |
Refractive Index, Nd30 (—) | 1.494 – 1.500 |
Acid Value (mg KOH/g) | ≤ 0.05 |
Color, Hazen/APHA (—) | ≤ 700 |
Density at 20°C (g/cm³) | 1.02 – 1.06 |
Viscosity at 20°C (mPa·s) | 90 – 100 |
Water Content (%) | ≤ 0.05 |
Flash Point (°C) | 200 – 215 |
Pour Point (°C) | -32 |
Boiling Range (°C) | 211 – 279 |
Saponification Value | Partial saponification only |
Equivalent to Mesamoll – Drop-in replacement in most formulations
Excellent gelling properties – Fast fusion and processing with PVC
Strong saponification resistance – Outstanding durability in alkaline environments
Good low-temperature flexibility – Pour point of -32°C
Environmentally friendly profile – Suitable for sensitive applications
Low volatility – High flash point ensures processing safety
Polyurethane Sealants
One-component and two-component PU sealant systems.
PVC Plasticizers
Suitable for toys, food-contact films, and medical gloves where regulatory compliance and low migration are essential.
Cleaning Agent Component
Used in cleaning formulations for polyurethane rigid foam processing equipment.
Adhesives & Other Systems
Recommended for adhesive formulations requiring high saponification resistance and long-term durability under alkaline exposure.
200 kg/240 kg drums, 1000 kg IBC tote and ISO tank
Being kept in dry, clean warehouse with well ventilation.
Avoid exposing to light and heating.
Protecting the product from leakage, rain and insolation during transportation.
We offer a variety of options to help you find the right product for your application
Provide formulation optimization support for water-based/solvent-based systems
Full coverage of REACH, FDA, and GB standards
99.8% on-time delivery rate, 10,000-ton production capacity guarantee
