(2E)-4-hydroxynon-2-enal

Also known as: HNE, 4-Hydroxynonenal, (2E)-4-Hydroxynon-2-enal, (E)-4-hydroxynon-2-enal, 2-Nonenal, 4-hydroxy-, (2E)-, 2-Nonenal, 4-hydroxy-, (E)-, 4-HYDROXY-2-NONENAL, 4-hydroxy-trans-2-nonenal, 4-hydroxy-2E-nonenal, 4-hydroxy-2-nonena, 4-hydroxynon-2-enal, MFCD00211020, CCRIS 1781, (±)-4-hydroxy-2E-nonenal, (±)-4-hydroxynon-2-enal

(2E)-4-hydroxynon-2-enal (CAS 75899-68-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H16O2 and a molecular weight of 156.222 g/mol. Key properties include a boiling point of 275.6±23.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 115.2±15.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 75899-68-2
Jingsj CID: J-20493-8
Molecular Formula: C₉H₁₆O₂
Molecular Weight: 156.222 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	275.6±23.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	115.2±15.2 °C
Exact Mass	156.115036
PSA	37.30000
LogP	1.85
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.460
Storage Conditions	-70°C

Activity & Biological Data

Target	Human Endogenous Metabolite
Additional Information	[1]. Zhong H, et al. Role of lipid peroxidation derived 4-hydroxynonenal (4-HNE) in cancer: focusing on mitochondria. Redox Biol. 2015;4:193-9. [2]. Csala M, et al. On the role of 4-hydroxynonenal in health and disease. Biochim Biophys Acta. 2015 May;1852(5):826-38. [3]. Bhowmick S, et al. Traumatic brain injury-induced downregulation of Nrf2 activates inflammatory response and apoptotic cell death. J Mol Med (Berl). 2019 Nov 22.

Target

Human Endogenous Metabolite

Additional Information

[1]. Zhong H, et al. Role of lipid peroxidation derived 4-hydroxynonenal (4-HNE) in cancer: focusing on mitochondria. Redox Biol. 2015;4:193-9. [2]. Csala M, et al. On the role of 4-hydroxynonenal in health and disease. Biochim Biophys Acta. 2015 May;1852(5):826-38. [3]. Bhowmick S, et al. Traumatic brain injury-induced downregulation of Nrf2 activates inflammatory response and apoptotic cell death. J Mol Med (Berl). 2019 Nov 22.

Customs & Trade Information

HS Code	2912491000
Summary	2912491000. other aldehyde-alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (2E)-4-hydroxynon-2-enal?

The CAS number of (2E)-4-hydroxynon-2-enal is 75899-68-2.

What are the molecular formula and molecular weight of (2E)-4-hydroxynon-2-enal?

(2E)-4-hydroxynon-2-enal has molecular formula C9H16O2 and molecular weight 156.222 g/mol.

What are the upstream and downstream products of (2E)-4-hydroxynon-2-enal?

For (2E)-4-hydroxynon-2-enal, Upstream Products: 1-Octen-3-ol, Acrolein, 1-Bromopentane; Downstream Products: 2-Pentylfuran.

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. "(2E)-4-hydroxynon-2-enal (CAS 75899-68-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20493-8 (accessed 2026-11-06).

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