Propyl-4-hydroxybenzoate 99.0-100.5% (by HPLC), EMPROVE® ESSENTIAL FCC, BP, Ph. Eur., JP, NF suitable for use as excipient E216, SAFC®
: Propyl 4-hydroxybenzoate, Propyl parahydroxybenzoate, Propylparaben, 4-Hydroxybenzoic acid propyl ester
:94-13-3
:
:C₁₀H₁₂O₃
:MFCD00002354
:292
:95
:1.28 g/cm³ (20 °C)
:180.2 g/mol
:13,07958
:202-307-7
:GHS07
:Ambient
- Environmentally Preferable:
- Assay (by Acidimetry following Saponification):98.0 - 102.0%
- Assay (HPLC):99.0 - 100.5%
- Identity:Passes Test
- Appearance of Solution:Passes Test
- Acidic Substances:Passes Test
- Melting range (Lower Value):≥96 °C
- Melting range (Upper Value):≤98 °C
- Heavy metals (as Pb):≤10 ppm
- As (Arsenic):≤3 ppm
- Cd (Cadmium):≤10 ppm
- Cu (Copper):≤10 ppm
- Hg (Mercury):≤1 ppm
- Pb (Lead):≤2 ppm
- Zn (Zinc):≤10 ppm
- Related Substances (HPLC):Passes Test
- p-Hydroxy Benzoic Acid:≤0.5%
- Sum of all Impurities:≤1.0%
- Largest Unspecified Impurity:≤0.5%
- 1-Propylalcohol (HS-GC):≤5000 ppm
- Other Residual Solvents (ICH Q3C):Excluded by Manufactoring Process
- Sulfated Ash:≤0.05%
- Loss on Drying (80 °C):≤0.5%
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