5'-Chloro-3-hydroxy-2'-methyl-2-naphthanilide

5'-氯-3-羟基-2'-甲基-2-萘甲酰苯胺

Also known as: Naphthol AS-KB, Azoic Coupling Component 21, N-(5-Chloro-2-methylphenyl)-3-hydroxy-2-naphthamide, N-(5-Chloro-2-methylphenyl)-3-hydroxynaphthalene-2-carboxamide, C.I. 37526, Naphtanilide KB, Naphthol AS-TR, Hiltonaphthol AS-KB, 3-Hydroxy-N-(5-chloro-2-methylphenyl)-2-naphthalenecarboxamide, 5'-Chloro-3-hydroxy-2-naphtho-o-toluidide, 5'-Chloro-N-(3-hydroxy-2-naphthoyl)-o-toluidine, MFCD00021636, EINECS 205-207-1

5'-Chloro-3-hydroxy-2'-methyl-2-naphthanilide (CAS 135-63-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C18H14ClNO2 and a molecular weight of 311.76200 g/mol. It is also known as Naphthol AS-KB, Azoic Coupling Component 21 and N-(5-Chloro-2-methylphenyl)-3-hydroxy-2-naphthamide. Key properties include a melting point of 244 °C, a boiling point of 423.8ºC at 760 mmHg, a density of 1.36 g/cm3 and a flash point of 210.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

135-63-7

Jingsj CID

J-1110499-5

Molecular Formula

C₁₈H₁₄ClNO₂

Chinese Name

5'-氯-3-羟基-2'-甲基-2-萘甲酰苯胺

Molecular Weight

311.76200 g/mol

Category

Organic Bases

Last updated

8/21/2026