Functional Roles
Industries Served
Physical Properties
melting_point
370 to 372 u00b0F (NTP, 1992)
density
1.37 (NTP, 1992) - Denser than water; will sink
solubility
6110 mg/L (at 30 u00b0C)
vapor_pressure
0.000278 [mmHg]
ph
pH (0.5% solution): 3.5
GHS / SDS Safety
Warning
Irritant
- H317 (27.7%): May cause an allergic skin reaction [Warning Sensitization, Skin]
- H335 (32.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H315 (32.2%): Causes skin irritation [Warning Skin corrosion/irritation]
- H412 (44.6%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H319 (33.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Chemical Identity
| CAS Number | 150-13-0 |
| IUPAC Name | 4-aminobenzoic acid |
| InChI Key | ALYNCZNDIQEVRV-UHFFFAOYSA-N |
| PubChem CID | 978 |
| INCI Name | PABA |
Synonyms & Trade Names
Full Description
Para-Aminobenzoic Acid (PABA) USP Powder is a water-soluble compound used as a vitamin-like nutrient in dietary supplements and cosmetics. It is commonly