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LC5040 Propyl 4-hydroxybenzoate
suitable for use as excipient
Order number Packaging Quantity Price €
AC32040 Plastic drum 5 kg Inquire
AC32040 Double PE Sack 25 kg Inquire

 

Product information
Synonyms Propylparaben
Hill Formula C10H12O3
HS Code 2918 29 00
EC number 202-307-7
Molar mass 180.21 g/mol
CAS number 94-13-3

 

Chemical and physical data
Ignition temperature >600 °C
Solubility 0.4 g/l (25 °C)
Melting point 96 – 98 °C
Molar mass 180.21 g/mol
Density 1.063 g/cm3 (102 °C)
Bulk density 350 kg/m3
pH value ca.6 – 7 (H2O, 20 °C) (saturated solution)
Boiling point 133 °C
Vapor pressure 0.67 hPa (122 °C)
Flash point 180 °C

 

Safety information
RTECS DH2800000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

 

Transport information
Declaration (transport by sea) IMDG-Code No Dangerous Good
Declaration (transport by air) IATA-DGR No Dangerous Good

 

Toxicological data
LD 50 oral LD50 rat > 5000 mg/kg

 

Specifications
Assay
– acidimetric; calculated on dried substance
99.5 – 100.5 %
– HPLC conforms
Identity passes test
Appearance of solution conforms
Acidic substances conforms
Melting range
– lower value
≥ 96 °C
– upper value ≤ 98 °C
Heavy metals (as Pb) ≤ 0.001 %
As (Arsenic) ≤ 0.0003 %
Cd (Cadmium) ≤ 0.001 %
Cu (Copper) ≤ 0.001 %
Hg (Mercury) ≤ 0.0001 %
Pb (Lead) ≤ 0.0005 %
Zn (Zinc) ≤ 0.001 %
Related substances (HPLC) conforms
p-Hydroxy benzoic acid ≤ 0.5 %
Sum of all impurities ≤ 1.0 %
largest unspecified impurity ≤ 0.5 %
Methanol ≤ 3000 ppm
Residual solvents (Ph.Eur./USP/ICH) class 3 ≤ 0.5 %
Other residual solvents (Ph.Eur./USP/ICH) excluded by manufactoring process
Sulfated ash ≤ 0.05 %
Loss on drying (80 °C) ≤ 0.5 %