DL-Tropic Acid

DL-托品酸

Also known as: Tropic acid, DL-Tropic Acid, 2-Phenyl-3-hydroxypropionic acid, 2-Phenylhydracrylic acid, α-(Hydroxymethyl)benzeneacetic acid, NSC 20990, MFCD00004255, EINECS 208-465-3, Ipratropium EP Impurity C, Hyoscine Butylbromide EP Impurity B, Tropicamide impurity C (EP), Tropicamide Related Compound C (USP), dl-tropic, α-Phenyl-β-hydroxypropionic acid

DL-Tropic Acid (CAS 552-63-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O3 and a molecular weight of 166.17400 g/mol. It is also known as Tropic acid, 2-Phenyl-3-hydroxypropionic acid and 2-Phenylhydracrylic acid. Key properties include a melting point of 116-118ºC(lit.), a boiling point of 322.5ºC at 760mmHg, a density of 1.262g/cm3 and a flash point of 163.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
552-63-6
Jingsj CID
J-1382203-9
Molecular Formula
C9H10O3
Chinese Name
DL-托品酸
Molecular Weight
166.17400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point116-118ºC(lit.)
Boiling Point322.5ºC at 760mmHg
Density1.262g/cm3
Flash Point163.1ºC

Frequently Asked Questions

What is the CAS number of DL-Tropic Acid?

The CAS number of DL-Tropic Acid is 552-63-6.

What are the molecular formula and molecular weight of DL-Tropic Acid?

DL-Tropic Acid has molecular formula C9H10O3 and molecular weight 166.17400 g/mol.

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

Last updated:

How to cite: Jingsj. "DL-Tropic Acid (CAS 552-63-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1382203-9 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.