OP-4SA (CAS No.: 9051-57-4) is a conventional industrial surfactant product sold by Guoli Chemical. It appears as a light yellow transparent liquid and is widely used in emulsion polymerization, textile auxiliaries, leather processing, metalworking fluids, and other fields. This product is a mature product in the Guoli Chemical database, with stable supply and year-round stock availability.
The database shows three packaging specifications for this product: 50kg plastic drum, 200kg plastic drum, IBC tote. Among them, the 50kg plastic drum is the minimum packaging unit. Theoretically, the minimum single order quantity is at least 1 drum (i.e., 50kg). However, the actual minimum order quantity (MOQ) in business cooperation may vary depending on factors such as inventory status, logistics arrangements, and whether it is the first cooperation. For example, there may be requirements for pallet-based minimum orders or full truckload shipping. The specifics need to be confirmed with the Guoli Chemical sales department.
In terms of price, the database shows that the product is priced in "yuan/ton", but the actual transaction price fluctuates with factors such as raw material market changes, purchase volume, and cooperation model. The price information in the database was last updated in June 2026, labeled as "The above prices are for reference only. For actual prices, please contact the sales team for the latest quotation." Therefore, it is recommended to obtain the latest quotation before placing an order.
To purchase OP-4SA product, it is recommended to follow the steps below:
| Parameter Item | Specification |
|---|---|
| Product Name | OP-4SA nonylphenol polyoxyethylene ether ammonium sulfate |
| CAS No. | 9051-57-4 |
| Appearance | Light yellow transparent liquid |
| Ion Type | Anionic surfactant |
| Active Content | ≥25% (Solid content 25~30%) |
| pH Value (1% aqueous solution) | 5.0~7.0 |
| HLB Value | Approximately 13.5 |
| Packaging Specification | 50kg plastic drum / 200kg plastic drum / IBC tote |
| Shelf Life | 12 months (under sealed, cool and dry conditions) |
OP-4SA, as an anionic emulsifier and wetting penetrating agent, is recommended to be used in combination with other anionic or nonionic emulsifiers in emulsion polymerization to achieve synergistic effects. When used in textile pretreatment, it is recommended to test the alkali resistance and penetration performance under experimental conditions to determine the optimal dosage. The specific dosage should be determined experimentally based on the target system and process conditions. The product should be thoroughly mixed and stirred before use.