Dihexyl phthalate

邻苯二甲酸二己酯

Also known as: Di-n-hexyl phthalate, DNHP, Hexyl phthalate, Phthalic acid di-n-hexyl ester, Phthalic acid, bis-hexyl ester, 1,2-Benzenedicarboxylic acid, dihexyl ester, Dihexyl 1,2-benzenedicarboxylate, Di-n-hexylphthalate, NSC 4817, AI3-04274

Dihexyl phthalate (CAS 84-75-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H30O4 and a molecular weight of 334.450 g/mol. It is also known as Di-n-hexyl phthalate, DNHP and Hexyl phthalate. Key properties include a melting point of 65℃, a boiling point of 377.1±10.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 200.1±8.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
84-75-3
Jingsj CID
J-31534-6
Molecular Formula
C20H30O4
Chinese Name
邻苯二甲酸二己酯
Molecular Weight
334.450 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point65℃
Boiling Point377.1±10.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point200.1±8.5 °C

GHS Safety & Compliance

Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Dihexyl phthalate?

The CAS number of Dihexyl phthalate is 84-75-3.

What are the molecular formula and molecular weight of Dihexyl phthalate?

Dihexyl phthalate has molecular formula C20H30O4 and molecular weight 334.450 g/mol.

Is Dihexyl phthalate hazardous?

Dihexyl phthalate has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Dihexyl phthalate (CAS 84-75-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31534-6 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.