CAS 35285-69-9 corresponds to Sodium Propylparaben, which is a water-soluble broad-spectrum organic preservative.

Basic Information
-Chinese name: Sodium Propylparaben (also known as Sodium Propylparaben or Sodium Propylparaben)
-English name: Sodium Propylparaben
-Molecular formula: C ₁₀ H ₁₁ NaO3
-Molecular weight: 202.18
-EINECS number: 252-488-1
-Appearance: White hygroscopic powder, easily soluble in water, with alkaline aqueous solution
-Main uses: Preservatives in the fields of food, cosmetics, medicine, textiles, and feed

Physical and Chemical Properties and Applications
1. Solubility: Very soluble in water, slightly soluble in ethanol, almost insoluble in dichloromethane; The pH value of a 1g/L aqueous solution is approximately 9.5-10.5.
2. Antibacterial properties: It has a strong inhibitory effect on mold, yeast, and some bacteria, and often produces synergistic effects when combined with nipagin ethyl ester and other compounds.
3. Application areas:
-Food industry: Preservatives for dairy products, beverages, pastries, pickled products, etc. (must comply with national standards for added limits).
-Cosmetics: Resident/wash off products for preservation, with a single ester dosage typically limited to 0.4%.
-Medicine/Other: Herbal preparations, disinfection of medical equipment, preservation of textiles and feed.

Safety Reminder
This substance has high safety when used at standard concentrations, but high concentrations or long-term exposure may irritate the skin; Sensitive individuals are advised to undergo testing before use. Some studies have explored its potential endocrine disruptors, but current clinical data has not confirmed clear human harm, and it is necessary to follow relevant industry standards for limited use.

Products :

CAS 35285-69-9, Sodium propyl p-hydroxybenzoate, C10H11NaO3
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