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2H-1-Benzopyran-6-ol, 3,4-dihydro-2,2,5,7,8-pentamethyl-

Also known as: 2,2,5,7,8-Pentamethyl-6-chromanol, 2,2,5,7,8-Pentamethyl-6-hydroxychroman, 6-Hydroxy-2,2,5,7,8-pentamethylchroman, Chroman C1, Chromane C1, Chromanol C1, PMHCR, NSC 226236, TMC 5, α-C-1-Chromanol

2H-1-Benzopyran-6-ol, 3,4-dihydro-2,2,5,7,8-pentamethyl- (CAS 950-99-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C14H20O2 and a molecular weight of 220.30700 g/mol. Key properties include a melting point of 89-91ºC(lit.), a boiling point of 344.3ºC at 760 mmHg, a density of 1.034g/cm3 and a flash point of 146.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
950-99-2
Jingsj CID
J-20065-7
Molecular Formula
C14H20O2
Molecular Weight
220.30700 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point89-91ºC(lit.)
Boiling Point344.3ºC at 760 mmHg
Density1.034g/cm3
Flash Point146.1ºC
Exact Mass220.14600
PSA29.46000
LogP3.42100
Refractive Index1.529

Activity & Biological Data

Additional Information[1]. Kyriakopoulos CE, et al. A multicenter phase 1/2a dose-escalation study of the antioxidant moiety of vitamin E 2,2,5,7,8-pentamethyl-6-chromanol (APC-100) in men with advanced prostate cancer. Invest New Drugs. 2016 Apr;34(2):225-30.

Customs & Trade Information

HS Code2932999099
Summary2932999099. 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 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,2,5,7,8-pentamethyl-?

The CAS number of 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,2,5,7,8-pentamethyl- is 950-99-2.

What are the molecular formula and molecular weight of 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,2,5,7,8-pentamethyl-?

2H-1-Benzopyran-6-ol, 3,4-dihydro-2,2,5,7,8-pentamethyl- has molecular formula C14H20O2 and molecular weight 220.30700 g/mol.

What are the upstream and downstream products of 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,2,5,7,8-pentamethyl-?

For 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,2,5,7,8-pentamethyl-, Upstream Products: Trimethylhydroquinone, 3-Methyl-2-buten-1-ol, Prenyl acetate; Downstream Products: 2-Phenyl-2-propanol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2H-1-Benzopyran-6-ol, 3,4-dihydro-2,2,5,7,8-pentamethyl- (CAS 950-99-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20065-7 (accessed 2026-11-09).

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