1,3-Dimethoxypropan-2-one

Also known as: 1,3-Dimethoxyacetone, 1,3-Dimethoxy-2-propanone, 2-Propanone, 1,3-dimethoxy-, Dimethoxyacetone, 1,3-dimethoxy-aceton

1,3-Dimethoxypropan-2-one (CAS 18664-32-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C5H10O3 and a molecular weight of 118.131 g/mol. Key properties include a boiling point of 162.7±15.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 42.1±6.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18664-32-9
Jingsj CID: J-1353947-4
Molecular Formula: C₅H₁₀O₃
Molecular Weight: 118.131 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	162.7±15.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	42.1±6.8 °C
Exact Mass	118.062996
PSA	35.53000
LogP	-0.38
Vapor Pressure	2.1±0.3 mmHg at 25°C
Refractive Index	1.391

Customs & Trade Information

HS Code	2914509090
Summary	HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,3-Dimethoxypropan-2-one?

The CAS number of 1,3-Dimethoxypropan-2-one is 18664-32-9.

What are the molecular formula and molecular weight of 1,3-Dimethoxypropan-2-one?

1,3-Dimethoxypropan-2-one has molecular formula C5H10O3 and molecular weight 118.131 g/mol.

What are the upstream and downstream products of 1,3-Dimethoxypropan-2-one?

For 1,3-Dimethoxypropan-2-one, Upstream Products: 1,3-Dimethoxy-2-propanol, Sodium methoxide, 1,3-Dichloroacetone; Downstream Products: Methylglyoxal, 1,1-Dimethoxyacetone, Methanol.

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. "1,3-Dimethoxypropan-2-one (CAS 18664-32-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1353947-4 (accessed 2026-11-09).

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