Nonylphenol ethoxylate

Also known as: Nonylphenol Ethoxylate, Nonylphenoxypoly(ethyleneoxy)ethanol, NP-40, NP-10, NP-12, NP-15, NP-20, NP-4, NP-50, NONIDET P-40 SUBSTITUTE, Agral, Agral Plus, Alfenol, Synperonic NX

Nonylphenol ethoxylate (CAS 9016-45-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C19H32O3 and a molecular weight of 308.456 g/mol. Key properties include a melting point of 44-46 °C, a boiling point of 436.1±30.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 217.6±24.6 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H318 — Causes serious eye damage and H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 9016-45-9
Jingsj CID: J-50466-1
Molecular Formula: C₁₉H₃₂O₃
Molecular Weight: 308.456 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	44-46 °C
Boiling Point	436.1±30.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	217.6±24.6 °C
Exact Mass	308.235138
LogP	5.79
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.496
Additional Property	Do you have solubility information on this product that you would like to share

GHS Safety & Compliance

Corrosion / Irritant / Environmental HazardSignal word: Danger

H302 — Harmful if swallowed
H318 — Causes serious eye damage
H400 — Very toxic to aquatic life

Frequently Asked Questions

What is the CAS number of Nonylphenol ethoxylate?

The CAS number of Nonylphenol ethoxylate is 9016-45-9.

What are the molecular formula and molecular weight of Nonylphenol ethoxylate?

Nonylphenol ethoxylate has molecular formula C19H32O3 and molecular weight 308.456 g/mol.

Is Nonylphenol ethoxylate hazardous?

Nonylphenol ethoxylate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage; H400 — Very toxic to aquatic life.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Nonylphenol ethoxylate (CAS 9016-45-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50466-1 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.