Nonylphenol ethoxylate (NP Series, CAS 9016-45-9, Polyoxyethylene nonylphenyl ether) is a widely used non-ionic surfactant, available in different EO grades such as NP-4, NP-6, NP-9, NP-10. It features excellent emulsifying, wetting, dispersing and detergency performance for industrial cleaning, textile, pesticide and coating fields. TNJ Chemical is the leading manufacturer and exporter since from 2001. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To find more, please contact sales@tnjchem.com
Product Information
Chemical Name: Polyoxyethylene nonylphenyl ether
Synonyms: NPE, NP series, NonylphenoxypolyethoxyethanolCAS No.: 9016-45-9
EINECS: 500-024-6
General Formula: C₁₅H₂₄O·(C₂H₄O)ₙ
Grade: Industrial surfactant grade
Common types: NP-4, NP-6, NP-9, NP-10
Chemphysical Properties
Appearance: Colourless to pale yellow clear viscous liquid (low EO); pale yellow paste / solid (high EO)
Odour: Mild characteristic odour
Density (20℃): 1.00–1.08 g/cm³
Flash point: >150 ℃
Solubility: NP-4 oil soluble; NP-9 / NP-10 easily soluble in waterFeature: Good resistance to hard water, stable in neutral & alkaline system
Quality Specification
| Item | NP-4 | NP-6 | NP-9 | NP-10 |
|---|---|---|---|---|
| EO moles | 4 | 6 | 9 | 10 |
| Appearance @25℃ | Colorless to pale yellow transparent liquid | Colorless to pale yellow transparent liquid | Colorless to pale yellow transparent liquid | Colorless to pale yellow transparent liquid |
| Color (Pt-Co) | ≤20 | ≤20 | ≤20 | ≤20 |
| HLB | 8.0–9.0 | 10.5–11.0 | 12.5–13.4 | 13.3–14.0 |
| Cloud point (1% aq.) | Not applicable (oil soluble) | Not applicable | 52–65 ℃ | 68–78 ℃ |
| Hydroxyl value, mgKOH/g | 140–150 | 112–120 | 88–94 | 82–88 |
| Moisture | ≤0.5% | ≤0.5% | ≤0.5% | ≤0.5% |
| pH (1% aqueous) | 5.0–7.0 | 5.0–7.0 | 5.0–7.0 | 5.0–7.0 |
| Free nonylphenol | ≤0.2% | ≤0.2% | ≤0.2% | ≤0.2% |
Use & Application
Emulsifier for pesticide formulations
Wetting & scouring agent for textile industry
Industrial cleaner, degreaser for metal surface
Emulsifier and dispersant for coatings, ink and leather auxiliaries
Packing
200kg iron drum; 1000L IBC tank.
Delivery & Storage
Storage: Keep sealed, cool and ventilated warehouse, away from strong oxidants.
Transport: Ordinary chemical, avoid direct sunlight and high temperature.
Shelf life: 24 months under proper storage.
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