Compared with conventional single-ion type surfactants, the greatest differentiated competitive advantage of OPP-10 comes from its molecular structure design—it is obtained by phosphate esterification modification of octylphenol polyoxyethylene ether (nonionic precursor), with both polyoxyethylene ether chains (giving nonionic characteristics) and phosphate ester groups (giving anionic characteristics) retained in the molecule. This dual structure endows OPP-10 with excellent emulsification and wetting penetration capabilities of nonionic surfactants, as well as dispersion stability and antistatic performance of anionic surfactants, far exceeding ordinary single-ion products in functional coverage.
In terms of chemical stability, OPP-10's acid-alkali resistance and hard water tolerance are particularly outstanding, which are key advantages distinguishing it from many similar products. Common anionic surfactants (such as carboxylates and sulfonates) are prone to decreased activity and precipitation in acidic conditions or hard water environments, while OPP-10, leveraging the synergistic effect of ether bonds and phosphate ester groups, maintains stable interfacial activity under complex water quality conditions and wide pH range, making it irreplaceable in demanding applications such as metalworking fluids and industrial cleaning.
In addition, OPP-10's "multi-function in one agent" feature significantly reduces formulation complexity and cost. The product simultaneously possesses five major functions: emulsification, wetting, dispersion, antistatic, and rust prevention and corrosion inhibition, allowing formulators to achieve multiple effects without adding various functional additives. Moreover, its good compatibility with anionic, nonionic, cationic surfactants and various auxiliaries provides much higher formulation flexibility than similar phosphate products, enabling wide application coverage in multiple industries such as textiles, pesticides, and coatings.
The main characteristic parameters of OPP-10 octylphenol polyoxyethylene ether phosphate are as follows:
| Parameter | Indicator | Description |
|---|---|---|
| Ion Type | Anionic | Also possesses nonionic characteristics |
| Appearance | Light yellow to yellow viscous liquid | — |
| CAS Number | 51811-79-1 | — |
| Chemical Structure | Octylphenol polyoxyethylene ether phosphate (10EO) | Contains ether bond + phosphate ester group |
| Acid-Alkali Resistance | Excellent | Stable over wide pH range |
| Hard Water Tolerance | Excellent | Maintains activity under complex water quality |
| Detailed physicochemical parameters (HLB value, cloud point, hydroxyl value, etc.) | Not available currently | Contact Guoli Chemical Technology Department for details |
Based on the performance advantages of OPP-10, it is recommended to prioritize its use in the following scenarios:
Selection advice compared with similar phosphate surfactants: If the formulation environment features large pH fluctuations and high water hardness, or requires simultaneous satisfaction of multiple functions such as emulsification, antistatic, and anti-rust, OPP-10 offers the most significant comprehensive cost-performance advantage. If only a single emulsification function is needed under mild conditions, a lower-cost common nonionic surfactant may be considered.