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LC5041 Propyl 4-hydroxybenzoate sodium salt
suitable for use as exicpient

 

Order number Packaging Quantity Price €
AC32041 Plastic drum 5 kg Inquire
AC32041 Double PE Sack 25 kg Inquire

 

Product information
Synonyms 4-Hydroxybenzoic acid propyl ester sodium salt, Propylparaben sodium salt
Hill Formula C10H11NaO3
HS Code 2918 29 00
EC number 252-488-1
Molar mass 202.19 g/mol
CAS number 35285-69-9

 

Chemical and physical data
Ignition temperature >600 °C (free ester)
Solubility 1000 g/l (25 °C)
Melting point 105 °C
Molar mass 202.19 g/mol
Bulk density 600 kg/m3
pH value 9.5 – 10.5 (1 g/l, H2O, 20 °C)
Flash point 180 °C (free ester)

 

Safety information
R Phrase R 41
Risk of serious damage to eyes.
S Phrase S 24-26-39
Avoid contact with skin.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.
Categories of danger irritant
Hazard Symbol Irritant
Storage class 10 – 13 Other liquids and solids
WGK WGK 2 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
– Ph.Eur., calc. on anhydrous substance
99.0 – 104.0 %
– NF., calc. on anhydrous substance 98.5 – 101.5 %
Identity conforms
Appearance of solution passes test
pH-value (0.1 %; water) 9.5 – 10.5
Chloride (Cl) ≤ 0.03 %
Sulphate (SO4) ≤ 0.03 %
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 ≤ 4.0 %
Salicylic acid ≤ 0.1 %
Butyl-4-hydroxybenzoate ≤ 0.2 %
Ethyl-4-hydroxybenzoate ≤ 0.3 %
Methyl-4-hydroxybenzoate ≤ 0.2 %
Sum of all impurities ≤ 4.0 %
largest unspecified impurity ≤ 0.10 %
Residual solvents (Ph.Eur./USP/ICH) class 3 conforms
Other residual solvents (Ph.Eur./USP/ICH) excluded by manufactoring process
Sulfated ash 34 – 36 %
Water ≤ 5.0 %