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2,2,5,7,8-Pentamethylchroman

Also known as: 2,2,5,7,8-pentamethyl-3,4-dihydrochromene, 2,2,5,7,8-pentamethylchromane, 3,4-dihydro-2,2,5,7,8-pentamethyl-2H-1-benzopyran, 2H-1-Benzopyran, 3,4-dihydro-2,2,5,7,8-pentamethyl-, 2,2,5,7,8-Pentamethylchroman, Pmc

2,2,5,7,8-Pentamethylchroman (CAS 55646-01-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H20O and a molecular weight of 204.30800 g/mol. Key properties include a melting point of 36-41ºC(lit.) and a flash point of >110.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
55646-01-0
Jingsj CID
J-870263-4
Molecular Formula
C14H20O
Molecular Weight
204.30800 g/mol
Category
Organic Compounds
Last updated
11/3/2026
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Physicochemical Properties

Melting Point36-41ºC(lit.)
Flash Point>110.0 °C
Exact Mass204.15100
PSA9.23000
LogP3.71540

Frequently Asked Questions

What is the CAS number of 2,2,5,7,8-Pentamethylchroman?

The CAS number of 2,2,5,7,8-Pentamethylchroman is 55646-01-0.

What are the molecular formula and molecular weight of 2,2,5,7,8-Pentamethylchroman?

2,2,5,7,8-Pentamethylchroman has molecular formula C14H20O and molecular weight 204.30800 g/mol.

What are the upstream and downstream products of 2,2,5,7,8-Pentamethylchroman?

For 2,2,5,7,8-Pentamethylchroman, Upstream Products: 2,3,5-Trimethylphenol, isoprene, 2-Methyl-3-buten-1-ol; Downstream Products: 2,2,5,7,8-PENTAMETHYLCHROMAN-6-SULFONYL CHLORIDE, Nα-Fmoc-Nω-(2,2,5,7,8-pentamethylchroman-6-sulfonyl)-L-arginine, 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,2,5,7,8-pentamethyl-.

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

Last updated:

How to cite: Jingsj. "2,2,5,7,8-Pentamethylchroman (CAS 55646-01-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-870263-4 (accessed 2026-11-09).

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