7-hydroxy-2,2-dimethyl-2,3-dihydro-4H-1-benzopyran-4-one

Also known as: 7-hydroxy-2,2-dimethylchroman-4-one, 2,2-dimethyl-7-hydroxychroman-4-one, 2,2-dimethyl-7-hydroxy-4-chromanone, 2,3-dihydro-7-hydroxy-2,2-dimethyl-4H-1-benzopyran-4-one, 2,3-dihydro-2,2-dimethyl-7-hydroxy-4H-benzopyran-4-one

7-hydroxy-2,2-dimethyl-2,3-dihydro-4H-1-benzopyran-4-one (CAS 17771-33-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H12O3 and a molecular weight of 192.21100 g/mol. Key properties include a boiling point of 354.3ºC at 760 mmHg, a density of 1.196g/cm3 and a flash point of 141.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17771-33-4
Jingsj CID: J-1012156-9
Molecular Formula: C₁₁H₁₂O₃
Molecular Weight: 192.21100 g/mol
Category: Ketones
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	354.3ºC at 760 mmHg
Density	1.196g/cm3
Flash Point	141.7ºC
Exact Mass	192.07900
PSA	46.53000
LogP	2.13600
Vapor Pressure	1.65E-05mmHg at 25°C
Refractive Index	1.552

Customs & Trade Information

HS Code	2914400090
Summary	2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 7-hydroxy-2,2-dimethyl-2,3-dihydro-4H-1-benzopyran-4-one?

The CAS number of 7-hydroxy-2,2-dimethyl-2,3-dihydro-4H-1-benzopyran-4-one is 17771-33-4.

What are the molecular formula and molecular weight of 7-hydroxy-2,2-dimethyl-2,3-dihydro-4H-1-benzopyran-4-one?

7-hydroxy-2,2-dimethyl-2,3-dihydro-4H-1-benzopyran-4-one has molecular formula C11H12O3 and molecular weight 192.21100 g/mol.

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. "7-hydroxy-2,2-dimethyl-2,3-dihydro-4H-1-benzopyran-4-one (CAS 17771-33-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1012156-9 (accessed 2026-11-09).

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