7,8,9,10-tetrahydrobenzo[a]pyren-7-ol

Also known as: 7,8,9,10-Tetrahydrobenzo[pqr]tetraphen-7-ol, Benzo[a]pyren-7-ol, 7,8,9,10-tetrahydro-, 7-hydroxy-7,8,9,10-tetrahydrobenzo[a]pyrene, NSC 30871, MFCD00192475

7,8,9,10-tetrahydrobenzo[a]pyren-7-ol (CAS 6272-55-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C20H16O and a molecular weight of 272.340 g/mol. Key properties include a melting point of 142-144ºC(lit.), a boiling point of 508.5±19.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 189.2±13.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6272-55-5
Jingsj CID: J-1991219-7
Molecular Formula: C₂₀H₁₆O
Molecular Weight: 272.340 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	142-144ºC(lit.)
Boiling Point	508.5±19.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	189.2±13.7 °C
Exact Mass	272.120117
PSA	20.23000
LogP	5.01
Vapor Pressure	0.0±1.4 mmHg at 25°C
Refractive Index	1.836

Activity & Biological Data

Additional Information	[1]. Glatt H, Pauly K, Frank H, Seidel A, Oesch F, Harvey RG, Werle-Schneider G. Substance-dependent sex differences in the activation of benzylic alcohols to mutagens by hepatic sulfotransferases of the rat. Carcinogenesis. 1994 Nov;15(11):2605-11. [2]. Surh YJ, Tannenbaum SR. Sulfotransferase-mediated activation of 7,8,9,10-tetrahydro-7-ol, 7,8-dihydrodiol, and 7,8,9,10-tetraol derivatives of benzo[a]pyrene. Chem Res Toxicol. 1995 Jul-Aug;8(5):693-8.

Additional Information

[1]. Glatt H, Pauly K, Frank H, Seidel A, Oesch F, Harvey RG, Werle-Schneider G. Substance-dependent sex differences in the activation of benzylic alcohols to mutagens by hepatic sulfotransferases of the rat. Carcinogenesis. 1994 Nov;15(11):2605-11. [2]. Surh YJ, Tannenbaum SR. Sulfotransferase-mediated activation of 7,8,9,10-tetrahydro-7-ol, 7,8-dihydrodiol, and 7,8,9,10-tetraol derivatives of benzo[a]pyrene. Chem Res Toxicol. 1995 Jul-Aug;8(5):693-8.

Customs & Trade Information

HS Code	2906299090
Summary	2906299090 other aromatic alcohols。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 7,8,9,10-tetrahydrobenzo[a]pyren-7-ol?

The CAS number of 7,8,9,10-tetrahydrobenzo[a]pyren-7-ol is 6272-55-5.

What are the molecular formula and molecular weight of 7,8,9,10-tetrahydrobenzo[a]pyren-7-ol?

7,8,9,10-tetrahydrobenzo[a]pyren-7-ol has molecular formula C20H16O and molecular weight 272.340 g/mol.

What are the upstream and downstream products of 7,8,9,10-tetrahydrobenzo[a]pyren-7-ol?

For 7,8,9,10-tetrahydrobenzo[a]pyren-7-ol, Upstream Products: 9,10-Dihydrobenzo[a]pyren-7(8H)-one, Aluminium isopropoxide, 1-Pyrenebutyric acid; Downstream Products: Benzo(a)pyrene.

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. "7,8,9,10-tetrahydrobenzo[a]pyren-7-ol (CAS 6272-55-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991219-7 (accessed 2026-11-09).

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