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Methyl 3-amino-4-hydroxybenzoate

Also known as: Orthocaine, Orthoform, Orthoform New, Orthoderm, Aminobenz, Methyl 4-hydroxy-3-aminobenzoate, Methyl m-amino-p-hydroxybenzoate, 3-Amino-4-hydroxybenzoic acid methyl ester, 4-hydroxy-3-amino-benzoic acid methyl ester, Benzoic acid, 3-amino-4-hydroxy-, methyl ester, 2-amino-4-methoxycarbonylphenol, Methyl3-Amino-4-hydroxybenzoate

Methyl 3-amino-4-hydroxybenzoate (CAS 536-25-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H9NO3 and a molecular weight of 167.162 g/mol. Key properties include a melting point of 141-143ºC, a boiling point of 326.8±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 151.4±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
536-25-4
Jingsj CID
J-18468-9
Molecular Formula
C8H9NO3
Molecular Weight
167.162 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point141-143ºC
Boiling Point326.8±27.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point151.4±23.7 °C
Exact Mass167.058243
PSA72.55000
LogP0.92
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.606

Activity & Biological Data

Additional Information[1]. Gary W. Cleary, et al. Compositions and delivery systems for administration of a local anesthetic agent. Patent WO2002089849A1.

Customs & Trade Information

HS Code2922509090
Summary2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Methyl 3-amino-4-hydroxybenzoate?

The CAS number of Methyl 3-amino-4-hydroxybenzoate is 536-25-4.

What are the molecular formula and molecular weight of Methyl 3-amino-4-hydroxybenzoate?

Methyl 3-amino-4-hydroxybenzoate has molecular formula C8H9NO3 and molecular weight 167.162 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl 3-amino-4-hydroxybenzoate (CAS 536-25-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18468-9 (accessed 2026-11-09).

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