2,2-Dimethylchroman-4-one

Also known as: 2,2-dimethyl-2,3-dihydro-4H-chromen-4-one, 2,2-dimethyl-3H-chromen-4-one, 2,2-dimethyl-4-chromanone, 2,3-dihydro-2,2-dimethyl-4H-1-benzopyran-4-one, 3,4-dihydro-2,2-dimethyl-2H-1-benzopyran-4-one, 4H-1-Benzopyran-4-one,2,3-dihydro-2,2-dimethyl

2,2-Dimethylchroman-4-one (CAS 3780-33-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H12O2 and a molecular weight of 176.21200 g/mol. Key properties include a boiling point of 273.159ºC at 760mmHg, a density of 1.086 g/cm3 and a flash point of 118.033ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3780-33-4
Jingsj CID: J-1031214-8
Molecular Formula: C₁₁H₁₂O₂
Molecular Weight: 176.21200 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	273.159ºC at 760mmHg
Density	1.086 g/cm3
Flash Point	118.033ºC
Exact Mass	176.08400
PSA	26.30000
LogP	2.43040
Refractive Index	1.522

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. 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 2,2-Dimethylchroman-4-one?

The CAS number of 2,2-Dimethylchroman-4-one is 3780-33-4.

What are the molecular formula and molecular weight of 2,2-Dimethylchroman-4-one?

2,2-Dimethylchroman-4-one has molecular formula C11H12O2 and molecular weight 176.21200 g/mol.

What are the upstream and downstream products of 2,2-Dimethylchroman-4-one?

For 2,2-Dimethylchroman-4-one, Upstream Products: 2'-Hydroxyacetophenone, 3-Methyl-2-butenoic acid, 2-(Trimethylsilyl)phenyl trifluoromethanesulfonate; Downstream Products: 2,2-Dimethyl-6-nitro-2,3-dihydro-4H-chromen-4-one, 2,2-dimethyl-3,4-dihydro-2H-chromen-4-amine, 2'-Hydroxyacetophenone.

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. "2,2-Dimethylchroman-4-one (CAS 3780-33-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1031214-8 (accessed 2026-11-09).

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