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99-96-7 4-Hydroxybenzoic acid 4-Hydroxybenzoic acid supplement
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Boiling point | 213.5°C (rough estimate) |
density | 1,46 g/cm3 |
FEMA | 3986 | 4-HYDROXYBENZOIC ACID |
refractive index | 1.4600 (estimate) |
Fp | 199 °C |
storage temp. | Refrigerator |
solubility | methanol: soluble5%, clear to slightly hazy, colorless to faintly yellow |
pka | 4.48(at 19℃) |
form | Crystalline Powder |
color | White to ivory |
PH | 3.3 (1g/l, H2O, 20℃) |
Water Solubility | 5 g/L (20 ºC) |
JECFA Number | 957 |
Merck | 14,4812 |
BRN | 970950 |
InChIKey | FJKROLUGYXJWQN-UHFFFAOYSA-N |
CAS DataBase Reference | 99-96-7(CAS DataBase Reference) |
p-Hydroxybenzoic acid is of significant commercial importance. The most familiar application is the use of several of its esters as preservatives, known as parabens. Also of interest is the use in liquid crystal polymer applications.
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