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2-Phenylpropionaldehyde dimethyl acetal

β-苯丙醛二甲缩醛

Also known as: FEMA 2888, 2-Phenylpropanal dimethyl acetal, Hydratropaldehyde dimethyl acetal, Hydrotropaldehyde dimethyl acetal, (2,2-Dimethoxy-1-methylethyl)benzene, 1,1-Dimethoxy-2-phenylpropane, NSC 46115

2-Phenylpropionaldehyde dimethyl acetal (CAS 90-87-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H16O2 and a molecular weight of 180.24400 g/mol. It is also known as FEMA 2888, 2-Phenylpropanal dimethyl acetal and Hydratropaldehyde dimethyl acetal. Key properties include a boiling point of 226.4ºC at 760 mmHg, a density of 0.971g/cm3 and a flash point of 92.2ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90-87-9
Jingsj CID
J-45253-9
Molecular Formula
C11H16O2
Chinese Name
β-苯丙醛二甲缩醛
Molecular Weight
180.24400 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point226.4ºC at 760 mmHg
Density0.971g/cm3
Flash Point92.2ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Phenylpropionaldehyde dimethyl acetal?

The CAS number of 2-Phenylpropionaldehyde dimethyl acetal is 90-87-9.

What are the molecular formula and molecular weight of 2-Phenylpropionaldehyde dimethyl acetal?

2-Phenylpropionaldehyde dimethyl acetal has molecular formula C11H16O2 and molecular weight 180.24400 g/mol.

Is 2-Phenylpropionaldehyde dimethyl acetal hazardous?

2-Phenylpropionaldehyde dimethyl acetal has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-Phenylpropionaldehyde dimethyl acetal (CAS 90-87-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45253-9 (accessed 2026-10-22).

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