3,4-Dimethylumbelliferone

Also known as: 3,4-Dimethyl-7-hydroxycoumarin, 7-Hydroxy-3,4-dimethylcoumarin, 7-Hydroxy-3,4-dimethyl-2H-chromen-2-one, 7-Hydroxy-3,4-dimethyl-2H-1-benzopyran-2-one, 3,4-Dimethyl-7-hydroxy-2H-1-benzopyran-2-one, DIMETHYLUMBELLIFERONE,3,4-, MFCD00037511

3,4-Dimethylumbelliferone (CAS 2107-78-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H10O3 and a molecular weight of 190.19500 g/mol. Key properties include a boiling point of 377.1ºC at 760 mmHg, a density of 1.255 g/cm3 and a flash point of 170.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2107-78-0
Jingsj CID: J-20067-9
Molecular Formula: C₁₁H₁₀O₃
Molecular Weight: 190.19500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	377.1ºC at 760 mmHg
Density	1.255 g/cm3
Flash Point	170.2ºC
Exact Mass	190.06300
PSA	50.44000
LogP	2.11540
Vapor Pressure	3.19E-06mmHg at 25°C
Refractive Index	1.589
Additional Property	alcohols: soluble

Customs & Trade Information

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3,4-Dimethylumbelliferone?

The CAS number of 3,4-Dimethylumbelliferone is 2107-78-0.

What are the molecular formula and molecular weight of 3,4-Dimethylumbelliferone?

3,4-Dimethylumbelliferone has molecular formula C11H10O3 and molecular weight 190.19500 g/mol.

What are the upstream and downstream products of 3,4-Dimethylumbelliferone?

For 3,4-Dimethylumbelliferone, Upstream Products: Ethyl 2-methylacetoacetate, Resorcinol, methyl 2-methylacetoacetate; Downstream Products: Esuprone.

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. "3,4-Dimethylumbelliferone (CAS 2107-78-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20067-9 (accessed 2026-11-09).

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