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Sodium Propyl Paraben
Sodium Propyl Paraben is the sodium salt of propylparaben, a white to off-white crystalline powder or granule with the chemical formula C₁₀H₁₂NaO₃. It is a water-soluble antimicrobial preservative used extensively in personal care, pharmaceutical, and food products. Packaged in 25kg containers, it offers excellent stability and effectiveness over a wide pH range. Its antifungal and antibacterial properties make it a reliable choice for preventing microbial contamination and extending shelf life.
Sodium Propyl Paraben
Primary Uses
- Personal Care & Cosmetics
- Preservative in Creams and Lotions: Inhibits microbial growth to maintain product safety.
- Shampoos & Conditioners: Prevents spoilage from bacteria and mold in aqueous formulations.
- Makeup Products: Used in foundations, mascaras, and lipsticks for shelf-life extension.
- Deodorants & Antiperspirants: Maintains microbial integrity in water- and oil-based systems.
- Wet Wipes & Facial Cleansers: Ensures hygiene by suppressing bacterial proliferation.
- Pharmaceutical Industry
- Topical Medications: Preserves ointments, creams, and gels.
- Oral Suspensions & Syrups: Ensures microbiological stability in aqueous solutions.
- Injectable Solutions (Non-reactive Preservative): Occasionally used where sodium salts are preferred.
- Ophthalmic Preparations: Used in combination with other parabens for eye drops and gels.
- Food Industry
- Preservative in Processed Foods: Used in baked goods, jams, jellies, and sauces (where permitted by regulation).
- Beverages: Controls yeast and mold in soft drinks and flavored waters.
- Snack Foods & Confectionery: Prevents fungal growth and spoilage in high-moisture environments.
- Veterinary Products
- Preservative in Animal Health Formulations: Maintains shelf life of topical and oral animal treatments.
Secondary Uses
- Industrial Applications
- Water-Based Adhesives: Preserves glue and bonding agents from microbial degradation.
- Paints & Coatings: Prevents mold formation in water-based interior paints.
- Textile Chemicals: Preserves dye pastes and softening agents.
- Household Products
- Cleaning Solutions: Maintains product integrity in disinfectant wipes and sprays.
- Air Fresheners: Prevents degradation in gel- and water-based formulations.
- Laboratory & Research
- Microbiological Media: Occasionally included in selective culture media as a fungistatic agent.
- Pet Care Products
- Shampoos & Sprays for Pets: Used in grooming products to prevent microbial spoilage.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Sodium 4-hydroxybenzoate propyl ester
- Common/Trade Name: Sodium Propyl Paraben
- CAS Number: 35285-69-9
- HS Code: 2918.29.00
- Synonyms: Propylparaben sodium salt, Sodium propyl-p-hydroxybenzoate
2. Physical & Chemical Properties
- Physical State: Crystalline powder or granules
- Color & Odor: White to off-white; faint odor
- Solubility: Freely soluble in water and alcohol
- Melting Point: Decomposes above 300°C
- pH (1% solution): 9.5–10.5
- Molecular Weight: 206.19 g/mol
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous under GHS
- Toxicity: LD₅₀ (oral, rat) > 5000 mg/kg
- Exposure Limits: No established occupational exposure limits
- Allergen Status: Generally recognized as non-sensitizing; rare allergic reactions reported
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry place; protect from light and moisture
- Container Type: 25kg fiber drums or HDPE-lined bags
- Shelf Life: 24 months in original sealed packaging
- Handling Precautions: Avoid dust inhalation; use with appropriate PPE
5. Regulatory & Compliance Attributes
- REACH Compliant
- FDA Approved (21 CFR 184.1670) – GRAS when used within limits
- USP/NF Compliant – Available in pharmaceutical grade
- Cosmetic Ingredient Review (CIR) – Assessed as safe when used as directed
- E Number: E217 (for food use; subject to regional restrictions)
6. Environmental & Health Impact
- Biodegradability: Readily biodegradable
- Ecotoxicity: Low; not expected to bioaccumulate
- Bioaccumulation: Not bioaccumulative
- Aquatic Impact: Minimal at typical use concentrations
Safety Handling Precautions
- PPE Required: Gloves, safety glasses, dust mask
- Handling Guidelines: Use in well-ventilated areas; avoid creating dust
- Storage Measures: Keep containers tightly sealed; segregate from strong oxidizers
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if symptoms persist
- Skin Contact: Wash with soap and water
- Eye Contact: Rinse thoroughly with water for at least 15 minutes
- Ingestion: Rinse mouth; seek medical advice if large quantity consumed
Firefighting Measures
- Fire Hazards: Non-flammable; may decompose at high temperatures
- Extinguishing Media: Water spray, dry chemical, foam, or CO₂
- Hazardous Combustion Products: Carbon oxides, phenolic vapors
Related products
Benzoic Acid
Benzoic Acid is a white crystalline solid with a faint, pleasant odor, classified as a simple aromatic carboxylic acid. It is widely used as a food preservative, antimicrobial agent, and chemical intermediate. Naturally occurring in many plants, it is commercially produced through oxidation of toluene or extraction from natural sources. Benzoic acid is valued for its ability to inhibit the growth of mold, yeast, and certain bacteria, making it essential in food preservation and cosmetic formulations. It also serves as a precursor in the manufacture of various pharmaceuticals, dyes, and plasticizers.
Benzyl Konium Chloride
Benzyl Konium Chloride (BAC) 50% is a quaternary ammonium compound with potent antimicrobial and disinfectant properties. It is a cationic surfactant widely used for its bactericidal, fungicidal, and virucidal effects. This clear to pale yellow liquid concentrate is highly soluble in water and is commonly used in healthcare, sanitation, and industrial hygiene applications. BAC 50% solutions serve as active ingredients in disinfectants, sanitizers, and antiseptics due to their effectiveness against a broad spectrum of microorganisms.
Clotrimazole BP2000
Clotrimazole BP2000 is a broad-spectrum antifungal agent belonging to the imidazole class. It appears as a white to off-white crystalline powder that is practically insoluble in water but soluble in organic solvents like ethanol and chloroform. Clotrimazole is widely used in pharmaceutical formulations for the treatment of fungal infections affecting the skin, mucous membranes, and nails. Its mechanism involves inhibition of ergosterol synthesis, a vital component of fungal cell membranes, leading to increased cell permeability and fungal cell death. BP2000 indicates compliance with British Pharmacopoeia standards ensuring high purity and consistent quality suitable for pharmaceutical applications.
Phenoxyethanol
Phenoxyethanol 10 is a glycol ether commonly used as a preservative and antimicrobial agent in cosmetic and pharmaceutical formulations. It is a clear, colorless to pale yellow liquid with a mild floral scent. Phenoxyethanol offers broad-spectrum antibacterial and antifungal properties, making it an effective alternative to parabens in many products. Its stability, low toxicity, and compatibility with various ingredients make it a popular choice in personal care and industrial applications.
Propyl Paraben Sodium BP
Propyl Paraben Sodium BP is the sodium salt derivative of propyl paraben, widely used as an effective antimicrobial preservative. It offers improved water solubility compared to propyl paraben and is commonly employed in pharmaceutical, cosmetic, and food products to inhibit the growth of bacteria, molds, and yeasts, thereby extending shelf life and ensuring product safety.
Sodium Benzoate
Sodium Benzoate is the sodium salt of benzoic acid, appearing as a white, crystalline powder that is highly soluble in water. It is widely used as a preservative due to its antimicrobial properties, especially effective against yeast and bacteria in acidic conditions. Sodium Benzoate is commonly employed in the food, beverage, pharmaceutical, and cosmetic industries to extend shelf life and maintain product quality. It meets food-grade and pharmaceutical-grade purity standards, ensuring safety for consumption and topical use.
Sodium Hydrogen Sulphite Extra Pure
Sodium Hydrogen Sulphite Extra Pure is a white to pale yellow crystalline powder with a pungent sulfur dioxide odor. It is a versatile reducing agent widely used in laboratory, industrial, and food applications for its antioxidant, preservative, and dechlorinating properties. In laboratories, it serves as a reagent for redox reactions and oxygen scavenging. It is also used in water treatment for chlorine removal and in food processing as an antimicrobial and antioxidant agent (E221). Due to its ability to release sulfur dioxide gas, careful handling and storage in sealed containers are essential to maintain quality and ensure safety. The Extra Pure grade ensures high purity suitable for analytical, pharmaceutical, and food industry applications.
Sodium Nitrate Extra Pure
Sodium Nitrate Extra Pure is a high-purity, white crystalline solid widely used as an oxidizing agent in laboratories and industries. It serves as a source of nitrate ions in chemical synthesis, analytical applications, and fertilizers. Its strong oxidizing properties make it valuable in explosives and pyrotechnic manufacturing. It is also used as a preservative in the food industry and in water treatment processes. Sodium Nitrate Extra Pure must be stored carefully away from heat and combustible materials and handled with appropriate safety measures due to its oxidizing nature.
