SINOSURF® BPE (Polyethylene-polypropylene Glycol Monobutyl Ether) is a nonionic surfactant and has excellent emulsifier, defoaming and lubricity. It can be used as a defoaming agent in coatings and can be used as a leveling agent after grafting with allyl-modified silicone oil.
SINOSURF® BPE
(UCON 50-HB-260 & TOXIMUL 8320 Alternative)
Chemical Name: Polyalkylene glycol monobutyl ether
CAS No.: 9038-95-3
Synonym: TOXIMUL 8320 TERGITOL XH TERGITOL XD UCON 50-HB alternative UCON 50-HB-260 TOXIMUL 8320 butyl polyalkylene glycol copolymers
Molecular Structure:
| Product name | CAS | HLB | Average molecular weight | Surface Tension | Solid content |
| SINOSURF® BPE 3500 | 9038-95-3 | 15 | 3500 | 63-74 | ≥99% |
| SINOSURF® BPE 4000 | 9038-95-3 | 11 | 4000 | 16-23 | ≥99% |
| SINOSURF® BPE 5500 | 9038-95-3 | 12 | 5500 | 41-47 | ≥99% |
| SINOSURF® BPE | 9038-95-3 | customizable | ≥99% |
Textile Spin Finishes: Used as a premium lubricant base for making synthetic fibers like polyester, nylon, and polypropylene.
Agrochemical Adjuvants: Acts as a 100% active non-ionic emulsifier for pesticides and herbicides (Direct match for TOXIMUL 8320). Fully compliant with US EPA guidelines.
Industrial Lubricants: A reliable base oil for high-temperature gear lubricants, water-soluble hydraulic fluids, and rubber mold release agents.
Plastic Processing Aids: Helps smooth out polyethylene extrusion, reducing die build-up and machine torque.
50kg or 200kg /drum, 1000kgs/IBC 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.
Q1: What is Poly(ethylene glycol-co-propylene glycol) monobutyl ether?
A: It is a versatile liquid copolymer based on CAS 9038-95-3, SINOSURF® BPE. It is made by balancing water-loving (EO) and oil-loving (PO) chemical chains. This unique structure gives it excellent lubricity, great surface wetting, and temperature-dependent water solubility.
Q2: What are the common uses of this EO/PO monobutyl ether fluid?
A: Its main uses are divided into three major fields. In textiles, it is used as a base lubricant for high-speed fiber spinning. In agriculture, it works as an emulsifier and wetting helper for pesticide sprays. In general machinery, it serves as a high-temperature base fluid for synthetic gear oils and hydraulic liquids.
Q3: Can SINOSURF® BPE directly replace UCON 50-HB-260 or TOXIMUL 8320?
A: Yes, absolutely. you can choose SINOSURF® BPE. It shares the exact same CAS number, matches the viscosity (50-56 cSt at 40°C), and has the same HLB value (12.0).
Q4: Where can I buy high-quality CAS 9038-95-3 in large quantities?
A: Our brand SINOSURF® BPE offers wholesale factory pricing, guaranteed low moisture (≤0.15%), and steady batch-to-batch quality. We support orders ranging from a single testing drum to multi-container contracts. Contact our sales desk today for an instant price quote!
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
