Didecyl phthalate

邻苯二甲酸二癸酯

Also known as: Di-n-decyl phthalate, Convoil-20, 1,2-Benzenedicarboxylic acid, didecyl ester, Phthalic acid, didecyl ester

Didecyl phthalate (CAS 84-77-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C28H46O4 and a molecular weight of 446.662 g/mol. It is also known as Di-n-decyl phthalate, Convoil-20 and 1,2-Benzenedicarboxylic acid, didecyl ester. Key properties include a melting point of 4 °C, a boiling point of 454.2±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 243.7±9.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 84-77-5
Jingsj CID: J-26351-7
Molecular Formula: C₂₈H₄₆O₄
Chinese Name: 邻苯二甲酸二癸酯
Molecular Weight: 446.662 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	4 °C
Boiling Point	454.2±13.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	243.7±9.3 °C
Exact Mass	446.339600
PSA	52.60000
LogP	11.20
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.488

Customs & Trade Information

HS Code	2917349000
Summary	2917349000 other esters of orthophthalic acid。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Didecyl phthalate?

The CAS number of Didecyl phthalate is 84-77-5.

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

Didecyl phthalate has molecular formula C28H46O4 and molecular weight 446.662 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Didecyl phthalate (CAS 84-77-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26351-7 (accessed 2026-10-28).

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