Propyl-4-hydroxybenzoate 99.0-100.5% (by HPLC), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, FCC

Supplier: MilliporeSigma

Synonyms: Propyl parahydroxybenzoatePropylparabenPropyl 4-hydroxybenzoate4-Hydroxybenzoic acid propyl ester

1.07427.9029 1.07427.5000
EM1.07427.9029EA 3288 USD
CA1.07427.5000 EM1.07427.9029
Propyl-4-hydroxybenzoate 99.0-100.5% (by HPLC), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, FCC
Propyl 4-hydroxybenzoate
Formula: C₁₀H₁₂O₃
MW: 180.2 g/mol
Melting Pt: 96...98 °C
Density: 1.063 g/cm³
Flash Pt: 180 °C
Storage Temperature: Ambient
MDL Number: MFCD00002354
CAS Number: 94-13-3
EINECS: 202-307-7

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Specification Test Results

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%
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to Ph Eur, BP ,JP, NF, FCC.

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