Methyl 5-acetylsalicylate

5-乙酰水杨酸甲酯

Also known as: 5-Acetylsalicylic Acid Methyl Ester, Methyl 5-acetyl-2-hydroxybenzoate, 5-Acetyl-2-hydroxybenzoic Acid Methyl Ester, Methyl 2-hydroxy-5-acetylbenzoate, Methyl 5-acetyl-2-hydroxybenzoate, 5-ACETYL 2-METHYLSALICYLATE, METHYL 5-ACETHYLSALICYLATE, Benzoic acid, 5-acetyl-2-hydroxy-, methyl ester

Methyl 5-acetylsalicylate (CAS 16475-90-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H10O4 and a molecular weight of 194.184 g/mol. It is also known as 5-Acetylsalicylic Acid Methyl Ester, Methyl 5-acetyl-2-hydroxybenzoate and 5-Acetyl-2-hydroxybenzoic Acid Methyl Ester. Key properties include a melting point of 62-64 °C(lit.), a boiling point of 345.4±27.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 138.0±17.2 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16475-90-4
Jingsj CID
J-19168-5
Molecular Formula
C10H10O4
Chinese Name
5-乙酰水杨酸甲酯
Molecular Weight
194.184 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point62-64 °C(lit.)
Boiling Point345.4±27.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point138.0±17.2 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Methyl 5-acetylsalicylate?

The CAS number of Methyl 5-acetylsalicylate is 16475-90-4.

What are the molecular formula and molecular weight of Methyl 5-acetylsalicylate?

Methyl 5-acetylsalicylate has molecular formula C10H10O4 and molecular weight 194.184 g/mol.

Is Methyl 5-acetylsalicylate hazardous?

Methyl 5-acetylsalicylate has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Methyl 5-acetylsalicylate (CAS 16475-90-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19168-5 (accessed 2026-10-22).

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