Propylparaben

Propylparaben
Names
IUPAC name
propyl 4-hydroxybenzoate
Other names
4-Hydroxybenzoesäurepropylester;
propyl paraben;
propyl p-hydroxybenzoate;
propyl parahydroxybenzoate;
nipasol;
E216
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.002.098
E number E216 (preservatives)
KEGG
UNII
Properties
C10H12O3
Molar mass 180.2 g/mol
Density 1.0630 g/cm3
Melting point 96 to 99 °C (205 to 210 °F; 369 to 372 K)
Hazards
NFPA 704
Flammability code 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g., canola oil Health code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroform Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
1
2
0
Related compounds
Related compounds
 Paraben
Butylparaben
Ethylparaben
Methylparaben
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Propylparaben, the n-propyl ester of p-hydroxybenzoic acid, occurs as a natural substance found in many plants and some insects, although it is manufactured synthetically for use in cosmetics, pharmaceuticals and foods. It is a preservative typically found in many water-based cosmetics, such as creams, lotions, shampoos and bath products. As a food additive, it has the E number E216.

Sodium propyl p-hydroxybenzoate, the sodium salt of propylparaben, a compound with formula Na(C3H7(C6H4COO)O), is also used similarly as a food additive and as an anti-fungal preservation agent. Its E number is E217.

References


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