Mono(2-ethylhexyl) phthalate
邻苯二甲酸单(2-乙基己基)酯
Also known as: PHTHALIC ACID MONO-2-ETHYLHEXYL ESTER, MEHP, Mono-2-ethylhexyl Phthalate, Monooctyl Phthalate, 2-(((2-Ethylhexyl)oxy)carbonyl)benzoic acid, 1,2-Benzenedicarboxylic acid, mono(2-ethylhexyl) ester, rac Mono(ethylhexyl) Phthalate, UNII:FU2EWB60RT
Mono(2-ethylhexyl) phthalate (CAS 4376-20-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H22O4 and a molecular weight of 278.34 g/mol. It is also known as PHTHALIC ACID MONO-2-ETHYLHEXYL ESTER, MEHP and Mono-2-ethylhexyl Phthalate. Key properties include a melting point of 25-27ºC, a boiling point of 408.9±28.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 144.1±17.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4376-20-9
- Jingsj CID
- J-3987-7
- Molecular Formula
- C16H22O4
- Chinese Name
- 邻苯二甲酸单(2-乙基己基)酯
- Molecular Weight
- 278.34 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 25-27ºC |
|---|---|
| Boiling Point | 408.9±28.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 144.1±17.5 °C |
| Exact Mass | 278.151794 |
| PSA | 63.60000 |
| LogP | 4.66 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.517 |
Activity & Biological Data
| Additional Information | [1]. Bai J, et al. Mono-2-ethylhexyl phthalate induces the expression of genes involved in fatty acid synthesis in HepG2 cells. Environ Toxicol Pharmacol. 2019 Jul;69:104-111. [2]. Chauvigné F, et al. Mono-(2-ethylhexyl) phthalate directly alters the expression of Leydig cell genes and CYP17 lyase activity in cultured rat fetal testis. PLoS One. 2011;6(11):e27172. |
|---|
Customs & Trade Information
| HS Code | 2922509090 |
|---|---|
| Summary | 2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Mono(2-ethylhexyl) phthalate?
The CAS number of Mono(2-ethylhexyl) phthalate is 4376-20-9.
What are the molecular formula and molecular weight of Mono(2-ethylhexyl) phthalate?
Mono(2-ethylhexyl) phthalate has molecular formula C16H22O4 and molecular weight 278.34 g/mol.
What are the upstream and downstream products of Mono(2-ethylhexyl) phthalate?
For Mono(2-ethylhexyl) phthalate, Upstream Products: Phthalic anhydride, 2-Ethylhexanol, Bis(2-ethylhexyl) phthalate; Downstream Products: Bis(2-ethylhexyl) phthalate.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Mono(2-ethylhexyl) phthalate (CAS 4376-20-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3987-7 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.