Benzeneacetaldehyde, 2-methyl- (9CI)

2-甲基苯乙醛

Also known as: (2-Methylphenyl)acetaldehyde, 2-(2-Methylphenyl)acetaldehyde, 2-(o-tolyl)acetaldehyde, 2-Methylbenzeneacetaldehyde, 2-Methylbenzeneethanal, 2-TOLYLACETALDEHYDE, o-methylphenylacetaldehyde, o-tolyl-acetaldehyde

Benzeneacetaldehyde, 2-methyl- (9CI) (CAS 10166-08-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H10O and a molecular weight of 134.17500 g/mol. It is also known as (2-Methylphenyl)acetaldehyde, 2-(2-Methylphenyl)acetaldehyde and 2-(o-tolyl)acetaldehyde. Key properties include a boiling point of 222.8ºC at 760mmHg, a density of 0.987g/cm3 and a flash point of 104.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
10166-08-2
Jingsj CID
J-1377618-3
Molecular Formula
C9H10O
Chinese Name
2-甲基苯乙醛
Molecular Weight
134.17500 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point222.8ºC at 760mmHg
Density0.987g/cm3
Flash Point104.6ºC

Frequently Asked Questions

What is the CAS number of Benzeneacetaldehyde, 2-methyl- (9CI)?

The CAS number of Benzeneacetaldehyde, 2-methyl- (9CI) is 10166-08-2.

What are the molecular formula and molecular weight of Benzeneacetaldehyde, 2-methyl- (9CI)?

Benzeneacetaldehyde, 2-methyl- (9CI) has molecular formula C9H10O and molecular weight 134.17500 g/mol.

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

Last updated:

How to cite: Jingsj. "Benzeneacetaldehyde, 2-methyl- (9CI) (CAS 10166-08-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1377618-3 (accessed 2026-10-22).

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