Naphthol AS-D Acetate

萘酚AS-D-乙酸酯

Also known as: 3-(Acetyloxy)-N-(2-methylphenyl)-2-naphthalenecarboxamide, 3-Acetoxy-N-(2-methylphenyl)-2-naphthalenecarboxamide, 2-[N-(O-METHYLPHENYL)CARBAMOYL]-3-NAPHTHYL ACETATE, 2-NaphthalenecarboxaMide,3-(acetyloxy)-N-(2-Methylphenyl)-, NAPHTHOL AS-D ACETATE CRYSTALLINE, NAPHTHOL AS-D-ACETATE, FOR HISTOLOGY, [3-[(2-methylphenyl)carbamoyl]naphthalen-2-yl] acetate, acetic acid [3-[(2-methylanilino)-oxomethyl]-2-naphthalenyl] ester, MFCD00042713, EINECS 208-439-1

Naphthol AS-D Acetate (CAS 528-66-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H17NO3 and a molecular weight of 319.35400 g/mol. It is also known as 3-(Acetyloxy)-N-(2-methylphenyl)-2-naphthalenecarboxamide, 3-Acetoxy-N-(2-methylphenyl)-2-naphthalenecarboxamide and 2-[N-(O-METHYLPHENYL)CARBAMOYL]-3-NAPHTHYL ACETATE. Key properties include a melting point of 167-169ºC, a boiling point of 549.3ºC at 760 mmHg, a density of 1.252 g/cm3 and a flash point of 286ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
528-66-5
Jingsj CID
J-29193-4
Molecular Formula
C20H17NO3
Chinese Name
萘酚AS-D-乙酸酯
Molecular Weight
319.35400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point167-169ºC
Boiling Point549.3ºC at 760 mmHg
Density1.252 g/cm3
Flash Point286ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Naphthol AS-D Acetate?

The CAS number of Naphthol AS-D Acetate is 528-66-5.

What are the molecular formula and molecular weight of Naphthol AS-D Acetate?

Naphthol AS-D Acetate has molecular formula C20H17NO3 and molecular weight 319.35400 g/mol.

Is Naphthol AS-D Acetate hazardous?

Naphthol AS-D Acetate 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. "Naphthol AS-D Acetate (CAS 528-66-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29193-4 (accessed 2026-10-24).

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