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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 % |
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