Problems that may occur in the practical application of OP-4SA nonylphenol polyoxyethylene ether ammonium sulfate usually involve changes in physical state, performance fluctuations, or safety incidents. If the product becomes turbid or separates at low temperatures (below 0°C), this is a normal physical phenomenon. Simply warm the product to room temperature and stir thoroughly to restore it; this does not affect performance.
If skin or eye contact occurs, follow the safety instructions immediately: for eye contact, rinse with plenty of water for at least 15 minutes and seek immediate medical attention; for skin contact, remove contaminated clothing and rinse with soap and water for at least 15 minutes. In terms of product performance, if poor emulsification results are encountered, it is recommended to check the pH of the formulation system — the product performs stably under weak acid to alkaline conditions, but it will decompose and become ineffective when interacting with strong acids.
For mechanical stability or particle size distribution issues in emulsion polymerization applications, it is recommended to consider compounding with other nonionic emulsifiers to achieve synergistic effects. The precise dosage needs to be determined through experiments. Additionally, improper storage may cause the product to absorb moisture and deteriorate. Once the container is opened, it must be sealed immediately and stored in a cool, dry, and well-ventilated place.
If you need professional advice on specific application formulations or to solve complex technical problems, the most effective way is to contact the sales representative or authorized dealer of Guoli Chemical who supplies your product. They can coordinate technical engineers to provide one-on-one application guidance, including but not limited to emulsifier compounding schemes, optimal dosage recommendations, and process parameter optimization. When contacting, please prepare the product batch number, purchase channel, and a detailed description of the problem (including application conditions, formulation ratios, and abnormal phenomena).
You can also visit the official website of Haian Guoli Chemical Co., Ltd. to access detailed technical data, MSDS (SDS), and the latest application cases related to the product. According to database records, this product is packaged in 50kg plastic drums, 200kg plastic drums, or IBC totes. The product packaging is usually labeled with detailed information and emergency contact details.
| Parameter | Typical data |
|---|---|
| Appearance | Light yellow transparent liquid |
| Ion type | Anionic |
| pH (1% aqueous solution) | 5.0~7.0 |
| HLB value | Approximately 13.5 |
| Density (25°C) | 1.05~1.10 g/cm³ |
| Alkali resistance | Stable in ≤10% NaOH solution |
| Shelf life | 12 months (sealed, stored in a cool place) |
| Emergency shower facilities | Eyewash station, safety shower |