4-Acetamidobenzoic acid , 99% , 556-08-1

Synonym(s):
N-Acetyl-PABA

CAS NO.：556-08-1

Empirical Formula: C9H9NO3

Molecular Weight: 179.17

MDL number: MFCD00002534

EINECS: 209-114-7

PRODUCT Properties

• Melting point: 259-262 °C (dec.)(lit.)
• Boiling point: 311.69°C (rough estimate)
• Density: 1.2822 (rough estimate)
• refractive index: 1.5600 (estimate)
• storage temp.: Sealed in dry,Room Temperature
• solubility: DMSO (Slightly), Methanol (Slightly)
• form: Powder
• pka: pK1: 4.28 (25°C)
• color: Off-white to slightly beige
• Water Solubility: <0.1 g/100 mL at 21 ºC
• BRN: 390602
• Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
• CAS DataBase Reference: 556-08-1(CAS DataBase Reference)
• NIST Chemistry Reference: N-(4-Carboxyphenyl)acetic acid amide(556-08-1)
• EPA Substance Registry System: Benzoic acid, 4-(acetylamino)- (556-08-1)

Description and Uses

4-Acetamidobenzoic acid (PAcBA) is a naturally occurring acetylated metabolite of 4-aminobenzoic acid and is a component of the antiviral and immunostimulatory drug inosine pranobex (Inosiplex; Isoprinosine; Methisoprinol).

Acedoben is the acetylated derivative of p-aminobenzoic acid (PABA). Acedoben is a metabolite of the anesthetic Benzocaine (B202970).

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P280a-P304+P340-P305+P351+P338-P405-P501a
• Risk Statements: 36/37/38
• Safety Statements: 24/25
• WGK Germany: 3
• TSCA: Yes
• HS Code: 29242995