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Chroman-2-carboxylic acid

Also known as: 2H-1-Benzopyran-2-carboxylic acid, 3,4-dihydro-, 3,4-Dihydro-2H-1-benzopyran-2-carboxylic acid, 3,4-Dihydro-1-benzopyran-2-carboxylic acid, 3,4-Dihydro-2H-chromene-2-carboxylic acid, 2,3-Dihydrobenzopyran-2-carboxylic acid, 2-Carboxychroman, 2-Chroman-carboxylic acid, Chromane-2-carboxylic acid, Nebivolol Impurity 90

Chroman-2-carboxylic acid (CAS 51939-71-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H10O3 and a molecular weight of 178.185 g/mol. Key properties include a melting point of 99ºC, a boiling point of 356.1±31.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 146.9±18.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51939-71-0
Jingsj CID
J-1409845-4
Molecular Formula
C10H10O3
Molecular Weight
178.185 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point99ºC
Boiling Point356.1±31.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point146.9±18.3 °C
Exact Mass178.062988
PSA46.53000
LogP1.91
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.575

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 Chroman-2-carboxylic acid?

The CAS number of Chroman-2-carboxylic acid is 51939-71-0.

What are the molecular formula and molecular weight of Chroman-2-carboxylic acid?

Chroman-2-carboxylic acid has molecular formula C10H10O3 and molecular weight 178.185 g/mol.

What are the upstream and downstream products of Chroman-2-carboxylic acid?

For Chroman-2-carboxylic acid, Upstream Products: Chromocarb, 2'-Hydroxyacetophenone, Diethyl oxalate; Downstream Products: 2H-1-Benzopyran-2-carboxylic acid, 3,4-dihydro-6-iodo-, ethyl 3,4-dihydro-2H-chromene-2-carboxylate, Chroman-2-ylmethanol.

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

Last updated:

How to cite: Jingsj. "Chroman-2-carboxylic acid (CAS 51939-71-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1409845-4 (accessed 2026-11-09).

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