C19H32O3
308.5 g/mol
Industrial ChemicalWarning
4-Nonylphenol diethoxylate
CAS9016-45-9EC243-816-4
Category
Industrial Chemical
Compound Class
Alcohol
Primary Use
surfactant and dispersing agent
4-Nonylphenol diethoxylate is a nonionic surfactant and dispersing agent used in industrial applications. It consists of a nonylphenol group with two ethoxylate units, giving it amphiphilic properties that enable it to reduce surface tension and stabilize dispersions.
surfactant in industrial formulationsdispersing agent for solid-liquid systems
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:EU REACH Restriction List
CAS 9016-45-9
Related Compounds
StrongStructure SimilarSimilarity 1.00
2-[2-[2-[2-[2-[2-[2-[2-[2-(4-Octylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol
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Nonionic surfactant and emulsifier
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antioxidant for polymers
ReferenceSame Category
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Processing solvent
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1-Propanol, 2-(dodecyloxy)-
CAS9064-14-6
surfactant intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
H361Suspected of damaging fertility or the unborn child
H400Very toxic to aquatic life
H411Toxic to aquatic life with long lasting effects
H373May cause damage to organs through prolonged or repeated exposure
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for 4-Nonylphenol diethoxylate (CAS 9016-45-9) is 3402.42.
HS code (international, 6-digit)
3402.42
EU CN code (8-digit)
3402 42 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-[2-(4-nonylphenoxy)ethoxy]ethanol
InChIKey
BLXVTZPGEOGTGG-UHFFFAOYSA-N
SMILES
CCCCCCCCCC1=CC=C(C=C1)OCCOCCO
Synonyms (16)
- 4-Nonylphenol diethoxylate
- Adekatol NP
- EON 2
- Igepal CO-210
- NP-40 Substitute
- NPEOx
- Nonoxinolum