Mono(2-ethyl-5-hydroxyhexyl) phthalate

单(2-乙基-5-羟基己基)邻苯二甲酸酯

Also known as: MEHHP, 5-OH-MEHP, 1,2-Benzenedicarboxylic acid mono(2-ethyl-5-hydroxyhexyl) ester, Mono(2-ethyl-5-hydroxyhexyl) 1,2-benzenedicarboxylate, 2-{[(2-Ethyl-5-hydroxyhexyl)oxy]carbonyl}benzoic acid, Mono(2-ethyl-5-hydroxyhexyl) phthalate (mixture of diastereomers)

Mono(2-ethyl-5-hydroxyhexyl) phthalate (CAS 40321-99-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H22O5 and a molecular weight of 294.343 g/mol. It is also known as MEHHP, 5-OH-MEHP and 1,2-Benzenedicarboxylic acid mono(2-ethyl-5-hydroxyhexyl) ester. Key properties include a boiling point of 463.7±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 166.6±18.1 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

40321-99-1

Jingsj CID

J-1509436-8

Molecular Formula

C₁₆H₂₂O₅

Chinese Name

单(2-乙基-5-羟基己基)邻苯二甲酸酯

Molecular Weight

294.343 g/mol

Category

Organic Acids

Last updated

8/21/2026