Chemical and physical properties
Product name: Propyl Paraben
CAS: 94-13-3
Alias: Propyl 4-hydroxybenzoate; Propyl P-Hydroxybenzoate
Chemical formula: C₁₀H₁₂O3, molecular weight 180.218
White crystalline powder, odorless or slightly astringent 18
Melting point is about 95-98 ℃ 13, boiling point is 133 ℃ 3
Solubility: Slightly soluble in water (1:2000), easily soluble in organic solvents such as ethanol and acetone
Density 1.063, refractive index 1.50538
Application
- Preservatives: It is widely used in food (such as soy sauce, Pickled vegetables) and cosmetics, and its effect of inhibiting mold, yeast and bacteria is better than that of ethyl paraben. It is often used in combination with butyl paraben to enhance its preservative effect, and the amount added in cosmetics is usually 0.1-1.0%.- In the pharmaceutical field, as a medicinal excipient, it is used for the preservation of formulations
Specification
Appearance White crystalline Powder
Assay, % 99.0-100.5
Melting Point,℃ 96-98
Residue on Ignition,% ≤0.1
Sulphated Ash % ≤0.05
Related Substances % ≤0.5
HeavyMetal (Pb) ppm ≤10
Loss on Drying % 0.5
Residual Solvents ppm ≤3000Packing
25kg/drum
Storage
Placed in sealed container and kept in a cool and dry place.
Avoid strong vibration, insolation, high temperature, smoke and fire.
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