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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
Aspartame
Aspartame is a low-calorie artificial sweetener approximately 200 times sweeter than sucrose (table sugar). It is a methyl ester of the dipeptide composed of aspartic acid and phenylalanine. Due to its intense sweetness and low-calorie nature, aspartame is widely used as a sugar substitute in various food and beverage products. It is popular among consumers seeking to reduce caloric intake, especially diabetics and those on weight management programs. Aspartame breaks down at high temperatures, limiting its use in certain cooking or baking applications. It is approved by numerous global food safety authorities, including the FDA and EFSA.
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.
Calamine Powder
Calamine Powder is a fine, light pink powder primarily composed of zinc oxide and a small percentage of ferric oxide, which gives it its characteristic pink color. It is an inorganic compound widely used in pharmaceutical and cosmetic formulations due to its soothing, antiseptic, and astringent properties. Calamine Powder is commonly applied topically to relieve itching, minor skin irritations, insect bites, rashes, and sunburn. It acts by forming a protective barrier on the skin, reducing inflammation and providing a mild cooling effect.
Carbocisteine AJI 92
Carbocisteine AJI 92 is a high-purity pharmaceutical-grade amino acid derivative, chemically known as S-carboxymethyl-L-cysteine. It is a white to off-white crystalline powder with a slightly sulfurous odor and is freely soluble in water. Carbocisteine functions primarily as a mucolytic agent—reducing the viscosity of mucus and promoting expectoration in respiratory tract infections. The "AJI 92" specification refers to its compliance with the purity standards established by Ajinomoto's amino acid quality benchmarks, ensuring it meets stringent pharmaceutical-grade quality control for active pharmaceutical ingredients (APIs). It is widely used in oral syrups, tablets, and granules in both human and veterinary medicine.
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.
Methyl Paraben Extra Pure
Methyl Paraben Extra Pure is a high-purity chemical widely used as a preservative in pharmaceuticals, cosmetics, personal care products, and food applications. It is valued for its strong antimicrobial and antifungal properties, helping to extend the shelf life of various formulations by preventing the growth of bacteria and mold. In laboratories, it is commonly employed in microbiological media and analytical standards. Its excellent stability across a broad pH range, combined with low toxicity and high efficacy even at low concentrations, makes it a preferred choice in sensitive applications. This extra pure grade ensures consistent quality and performance for critical uses.
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 Lactate
Sodium Lactate is a clear to slightly yellowish, viscous liquid obtained by neutralizing lactic acid with sodium hydroxide. It is widely used as a food additive, pharmaceutical excipient, and in cosmetic formulations due to its humectant, buffering, and antimicrobial properties. This grade is valued for its ability to retain moisture, regulate acidity, and act as a preservative in various industries. It also finds applications in the medical field as an electrolyte replenisher and pH stabilizer.
