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Nonylphenol Ethoxylate, also known as NPE, is a series of nonionic surfactants produced by the ethoxylation of nonylphenol. By controlling the ethylene oxide mole number, different NPE grades show different HLB values, cloud points, solubility and formulation performance.
Backed by more than ten years of experience in NPE production and supply, Dotachem offers a broad range of Nonylphenol Ethoxylate grades, including NP-2, NP-4, NP-6, NP-9, NP-10 and higher EO grades up to NP-50. As a China-based NPE supplier, Dotachem can provide liquid, solid or flake forms according to grade characteristics, formulation needs, storage conditions and handling requirements.
NPE is commonly used in industrial cleaning, textile auxiliaries, coatings, emulsion systems, agrochemical formulations, metal processing fluids and other industrial applications where wetting, emulsification, dispersion or cleaning performance is required.
CAS No. 9016-45-9
Chemical Formula: C15H24O(C2H4O)n| Trade Name | EO mole |
water% (max) |
PH value (1% aq) |
Color(30℃) APHA(max) |
FORM in 25℃ |
C.P ℃ 1% aq |
HLB |
OHV mg KOH/g |
| NP-2 | 2.0 | 0.5 | 5.0~8.0 | 50 | L |
|
|
177~187 |
| NP-3 | 3.0 | 0.5 | 5.0~8.0 | 50 | L | O:49~51 | 7.4 | 157~161 |
| NP-4 | 4.0 | 0.5 | 5.0~8.0 | 50 | L | #:54~57 | 8.89 | 139~145 |
| NP-5 | 5.0 | 0.5 | 5.0~8.0 | 50 | L | #:54~60 | 9.3 | 122~132 |
| NP-6 | 6.0 | 0.5 | 5.0~8.0 | 50 | L | #:68~72 | 10.91 | 113~119 |
| NP-7 | 7.0 | 0.5 | 5.0~8.0 | 50 | L | #:67~70 | 11.67 | 105~115 |
| NP-8 | 8.0 | 0.5 | 5.0~8.0 | 50 | L | 35~39 | 12.31 | 95~101 |
| NP-9 | 9.0 | 0.5 | 5.0~8.0 | 50 | L | 51~57 | 12.85 | 88~94 |
| NP-9.5 | 9.5 | 0.5 | 5.0~8.0 | 50 | L | 57~60 | 13.10 | 83~93 |
| NP-10 | 10.0 | 0.5 | 5.0~8.0 | 50 | L | 62~68 | 13.33 | 82~88 |
| NP-12 | 12.0 | 0.5 | 5.0~8.0 | 50 | L | &:83~89 | 14.0 | 72~78 |
| NP-15 | 15.0 | 0.5 | 5.0~8.0 | 50 | L/S | @:78~82 | 14.8 | 60~66 |
| NP-20 | 20.0 | 0.5 | 5.0~8.0 | 50(50℃) | S | @:85~88 | 15.8 | 48~54 |
| NP-20A | 20.0 | 0.5 | 5.0~8.0 | 50 | L | @:85~88 | 16.0 |
|
| NP-30 | 30.0 | 0.5 | 5.0~8.0 | 50(50℃) | S/F | @:88~92 | 17.14 | 34~40 |
| NP-30A | 30.0 |
|
5.0~8.0 | 50 | L | @:88~92 | 17.14 |
|
| NP-40 | 40.0 | 0.5 | 5.0~8.0 | 50(50℃) | S/F |
|
17.78 | 26~31 |
| NP-50 | 50.0 | 0.5 | 5.0~8.0 | 50 | S/F |
|
18.1 | 22.5~26.5 |
Dotachem offers multiple NPE grades with different EO mole numbers. Lower EO grades are more oil-soluble, while medium and higher EO grades provide better water compatibility, allowing formulators to choose suitable products based on solubility, emulsification needs and processing conditions.
The HLB value of NPE changes with the EO mole number. Low EO grades are suitable for oil-based or low-water systems, while NP-9, NP-10 and higher EO grades are commonly used in aqueous cleaning, textile and emulsifier formulations to support wetting, dispersion, detergency and emulsion stability.
Different NPE grades may be supplied as liquid, solid or flake form. This gives customers more flexibility when considering feeding method, melting conditions, storage temperature, packaging and transportation requirements.
Nonylphenol Ethoxylate is valued for its balanced wetting, emulsifying, dispersing and cleaning properties. In industrial systems, it helps improve contact between the liquid phase and the treated surface, supports uniform dispersion of ingredients and contributes to stable formulation performance.
For manufacturers with regular production demand, Dotachem supports specification confirmation, document preparation, packaging discussion and delivery coordination before shipment.
NPE can be used in industrial detergent and cleaning formulations to support wetting, oil removal and emulsification. It is suitable for heavy-duty cleaners, metal degreasing agents, equipment cleaning products and general industrial washing systems.
In textile processing, NPE may be used as a wetting agent, scouring component, emulsifier or detergent ingredient. It helps improve liquid penetration and distribution on fibers during pretreatment, washing and related processing steps.
NPE can be used in coatings, emulsion polymerization and dispersion systems. It helps improve emulsification and supports the distribution of pigments, fillers and other formulation components.
In agrochemical formulations, NPE may be used as an emulsifier or wetting agent. It can help improve spreading, dispersion and emulsification performance in pesticide or agricultural chemical systems.
NPE may also be used in metal cleaning, cutting fluids and other industrial fluid systems. Its wetting and emulsifying properties help improve contact between the liquid system and the treated metal surface.
NPE grade selection mainly depends on EO mole number and target formulation performance. NP-2, NP-4 and NP-6 are generally more oil-soluble, while NP-8, NP-9, NP-9.5 and NP-10 provide better water compatibility and are commonly used in detergents, textile auxiliaries, cleaners and emulsifier systems.
Higher EO grades such as NP-15, NP-20, NP-30, NP-40 and NP-50 offer stronger hydrophilic properties and are suitable for applications requiring higher water solubility, dispersion or high-HLB emulsification. If the suitable grade is not clear, customers can share their application, formulation system and target performance with Dotachem for further discussion before ordering.
Choosing the right NPE grade depends on EO mole number, HLB range, appearance, cloud point, solubility and application conditions. Dotachem combines factory-backed supply with laboratory support to help customers confirm suitable grades before bulk purchase.
Our team can assist with specification review, sample evaluation and grade comparison for industrial detergents, textile auxiliaries, coatings, emulsion systems, agrochemical formulations and metal cleaning products. For regular orders, Dotachem supports batch confirmation, document preparation, packaging discussion and shipment preparation, including COA, SDS, TDS and other required product documents.
Dotachem provides suitable packaging according to the selected NPE grade, physical form, order quantity and transportation needs. Common options may include drums, IBC tanks, bags or customized packaging for liquid, solid or flake products.
As a China-based supplier serving international customers, Dotachem can support sea freight, air freight or multimodal transportation based on shipment volume, destination and delivery schedule. For bulk supply, our team assists with specification confirmation, document preparation, packaging details and delivery coordination before shipment.
Nonylphenol Ethoxylate should be stored in a cool, dry and well-ventilated place. Keep the container tightly closed when not in use, and avoid direct sunlight, strong oxidants and incompatible materials.
During handling, operators should follow the product SDS and use suitable protective measures according to local safety requirements. For long-term storage or bulk inventory, customers are advised to check the product condition before use.
Sample availability can be discussed according to the required grade and destination. For new projects or grade replacement, sample testing is recommended before bulk purchase to confirm compatibility with the customer’s formulation system.
Dotachem can provide COA, SDS and TDS according to the selected product grade. If customers have additional document requirements for import, internal approval or quality review, they can confirm them with our team before shipment.
Customers can confirm the specification, appearance, key test items and COA before shipment. For regular orders, Dotachem supports batch-based document confirmation to help customers check whether the supplied product matches the agreed specification.
It depends on the formulation system. Some medium EO grades may be used across detergents, textile auxiliaries and emulsifier systems, but the same grade may not perform equally well in every formula. Testing is recommended when changing application, dosage or processing condition.
To receive a more accurate quotation and grade suggestion, customers can provide the required grade, application, quantity, destination port, packaging preference and document requirements. If the exact grade is not confirmed, customers can share the target use and performance needs for further discussion.
Yes. Besides NPE, Dotachem also supplies related surfactants and chemical products such as AEO, PEG, SLES and other functional additives. We can support formulation discussion, product matching, sample evaluation and one-stop sourcing for customers who need multiple raw materials.
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