Sodium Propylparaben CAS 35285-69-9 is the sodium salt of propylparaben, white hygroscopic crystalline powder. It is a broad-spectrum water-soluble antimicrobial preservative, widely used in cosmetics, personal care and pharmaceutical formulations, often blended with other parabens. TNJ Chemical is the leading manufacturer and exporter since 2001. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To inquire more, please contact sales@tnjchem.com
Product Information
CAS No.: 35285-69-9
Synonyms: Propylparaben sodium, Sodium propyl 4-hydroxybenzoate
Molecular Formula: C₁₀H₁₁NaO₃Molecular Weight: 202.18
EINECS: 252-488-1
INCI: Sodium Propylparaben
Chemphysical Properties
Appearance: white crystalline powder
Solubility: easily soluble in water
pH (1% aqueous): 9.5–10.5
Characteristic: hygroscopic, good antibacterial & antifungal activity
Stability: stable under weak alkaline conditions
| Item | Standard Grade (Cosmetic / Pharma) |
|---|---|
| Assay | 99.0–104.0% |
| Moisture | ≤5.0% |
| Chloride | ≤0.035% |
| Sulfate | ≤0.030% |
| Heavy Metals (Pb) | ≤10 ppm |
| Related substances | ≤0.50% |
Use & Application
Cosmetics & personal care: water-based preservative for lotion, cream, shampoo
Pharmaceutical: preservative for liquid and semi-solid preparations
Food additive (permitted dosage): preservative for beverages and sauces
Daily chemical products, textile anti-mildew agent
Package: 25kg drum / 25kg aluminium foil bag
Store in cool, dry and shaded warehouse; sealed well, avoid moisture
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