4-acetamidobenzoic acid(CAS#556-08-1)

Name	4-Acetamidobenzoic acid
Synonyms	PAAB PAABA acedoben Acedoben Acetylated PABA 4-Carboxyacetanilide 4′-Carboxyacetanilide p-Acetamidobenzoic acid 4-(acetylamino)benzoate 4-Acetamidobenzoic acid P-Acetamido Benzoic acid p-Acetylamino benzoic acid 4-(acetylamino)-benzoicaci Benzoic acid, p-acetamido- Benzoic acid, 4-acetamido- 4-(acetylamino)benzoic acid Benzoic acid, 4-(acetylamino)-
CAS	556-08-1
EINECS	209-114-7
InChI	InChI=1/C9H9NO3/c1-6(11)10-8-4-2-7(3-5-8)9(12)13/h2-5H,1H3,(H,10,11)(H,12,13)/p-1

Molecular Formula	C9H9NO3
Molar Mass	179.17
Density	1.2822 (rough estimate)
Melting Point	259-262°C (dec.)(lit.)
Boling Point	311.69°C (rough estimate)
Flash Point	219.7°C
Water Solubility	<0.1 g/100 mL at 21 ºC
Solubility	DMSO (Slightly), Methanol (Slightly)
Vapor Presure	1.66E-08mmHg at 25°C
Appearance	White crystal
Color	Off-white to slightly beige
BRN	390602
pKa	pK1: 4.28 (25°C)
Storage Condition	Sealed in dry,Room Temperature
Stability	Stable. Combustible. Incompatible with strong oxidizing agents.
Refractive Index	1.5600 (estimate)
MDL	MFCD00002534
Physical and Chemical Properties	White patchy crystals. Melting point 256.5 °c. Soluble in ethanol, insoluble in water and ether.

Product Detail

Risk Codes	36/37/38 – Irritating to eyes, respiratory system and skin.
Safety Description	24/25 – Avoid contact with skin and eyes.
WGK Germany	3
TSCA	Yes
HS Code	29242995