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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 | ![]() |
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 % |
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