2,2-Dimethyl-3,4-dihydro-2H-benzo[h]chromene

Also known as: 2,2-Dimethyl-3,4-dihydro-2H-naphtho[1,2-b]pyran, 3,4-dihydro-2,2-dimethyl-2H-naphtho[1,2-b]pyran, 2,2-dimethyl-3,4-dihydrobenzo[h]chromene

2,2-Dimethyl-3,4-dihydro-2H-benzo[h]chromene (CAS 16274-33-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H16O and a molecular weight of 212.287 g/mol. Key properties include a boiling point of 334.7±12.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 152.6±15.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 16274-33-2
Jingsj CID: J-1159007-1
Molecular Formula: C₁₅H₁₆O
Molecular Weight: 212.287 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	334.7±12.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	152.6±15.3 °C
Exact Mass	212.120117
PSA	9.23000
LogP	5.16
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.587

Customs & Trade Information

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,2-Dimethyl-3,4-dihydro-2H-benzo[h]chromene?

The CAS number of 2,2-Dimethyl-3,4-dihydro-2H-benzo[h]chromene is 16274-33-2.

What are the molecular formula and molecular weight of 2,2-Dimethyl-3,4-dihydro-2H-benzo[h]chromene?

2,2-Dimethyl-3,4-dihydro-2H-benzo[h]chromene has molecular formula C15H16O and molecular weight 212.287 g/mol.

What are the upstream and downstream products of 2,2-Dimethyl-3,4-dihydro-2H-benzo[h]chromene?

For 2,2-Dimethyl-3,4-dihydro-2H-benzo[h]chromene, Upstream Products: 1-Naphthol, isoprene, 3-Methyl-2-buten-1-ol.

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-Dimethyl-3,4-dihydro-2H-benzo[h]chromene (CAS 16274-33-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1159007-1 (accessed 2026-11-09).

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