p-Acetylamino benzoic acid
Synonym(s):N-Acetyl-PABA
- CAS NO.:556-08-1
- Empirical Formula: C9H9NO3
- Molecular Weight: 179.17
- MDL number: MFCD00002534
- EINECS: 209-114-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-19 20:33:22
What is p-Acetylamino benzoic acid?
Chemical properties
white or off-white powder or crystals
Originator
4-Acetamidobenzoic acid ,ARIAC
The Uses of p-Acetylamino benzoic acid
immune stimulant (component)
The Uses of p-Acetylamino benzoic acid
Acedoben is the acetylated derivative of p-aminobenzoic acid (PABA). Acedoben is a metabolite of the anesthetic Benzocaine (B202970).
What are the applications of Application
4-Acetamidobenzoic Acid is an acetylated derivative of p-aminobenzoic acid (PABA)
Definition
ChEBI: A amidobenzoic acid that consists of benzoic acid bearing an acetamido substituent at position 4.
Manufacturing Process
Into a 2 L, 3-necked flask set in a tub and equipped with a stirrer, an air condenser (drying tube), thermometer, was placed 860 ml of water, 43.0 g of MgSO4 and 43.0 g of sodium acetate and heated on water bath. Into heated solution to 70°C stirring 43.0 g of N-p-tolylacetamide were added. Then 136.0 g of KMnO4 by small portions were added at 75°-80°C. The reaction mixture allow to stand for 6 h and stirring was continue till the solution became colorless. Hot solution was filtered and filtrate treated hydrochloric acid to slightly acidic pH. After that 44.0 g (85%) of p-acetoaminobenzoic acid was obtained as white precipitate, melting point 250°C.
Therapeutic Function
Antiviral
General Description
Needles or off-white powder.
Air & Water Reactions
Water insoluble.
Reactivity Profile
Simultaneously an amide and a carboxylic acid.
Fire Hazard
Flash point data for p-Acetylamino benzoic acid are not available; however, p-Acetylamino benzoic acid is probably combustible.
Properties of p-Acetylamino benzoic acid
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) |
Safety information for p-Acetylamino benzoic acid
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for p-Acetylamino benzoic acid
p-Acetylamino benzoic acid manufacturer
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