Preservatives(food)
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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.
Propyl Paraben Sodium BP
Primary Uses
- Pharmaceuticals
- Used as a preservative in oral liquids, suspensions, and topical formulations to prevent microbial contamination.
- Included in ophthalmic and nasal preparations to maintain sterility.
- Cosmetics and Personal Care
- Preserves water-based products such as lotions, creams, shampoos, conditioners, and makeup.
- Prevents microbial spoilage and extends shelf life of personal hygiene products.
- Food Industry
- Utilized as a preservative in beverages, dairy products, processed foods, and baked goods to inhibit fungal and bacterial growth.
Secondary Uses
- Veterinary Products
- Added to animal care products including creams and shampoos for microbial protection.
- Industrial Applications
- Employed in industrial products such as adhesives and coatings for antimicrobial preservation.
- Household Products
- Incorporated in detergents, disinfectants, and cleaning agents to prevent microbial growth.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Sodium propyl 4-hydroxybenzoate
- Common/Trade Name: Propyl Paraben Sodium BP
- CAS Number: 35285-69-9
- HS Code: 2914.11
- Synonyms: Sodium propyl p-hydroxybenzoate
2. Physical & Chemical Properties
- Physical State: White to off-white crystalline powder
- Color & Odor: White; odorless or faint characteristic odor
- Solubility: Highly soluble in water, soluble in alcohol
- Melting Point: Approximately 210–214°C
3. Safety & Hazard Attributes
- GHS Classification: May cause skin irritation; low acute toxicity
- Toxicity: Low; generally recognized as safe at recommended concentrations
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry place protected from moisture and light
- Container Type: Sealed plastic or glass containers
- Shelf Life: Typically 2–3 years
5. Regulatory & Compliance Attributes
- Complies with BP, USP standards
- Approved by regulatory agencies for use in pharmaceuticals, cosmetics, and food products
6. Environmental & Health Impact
- Biodegradability: Readily biodegradable
- Ecotoxicity: Low
- Bioaccumulation: Not significant
Safety Handling Precautions
- PPE Required: Gloves and dust mask recommended during handling
- Handling Guidelines: Use in well-ventilated areas; avoid inhalation and skin contact
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if symptoms occur
- Skin Contact: Wash with soap and water; seek medical advice if irritation develops
- Eye Contact: Rinse with water for at least 15 minutes; seek medical help if irritation persists
- Ingestion: Rinse mouth; do not induce vomiting; seek medical attention
Firefighting Measures
- Fire Hazards: Combustible solid
- Extinguishing Media: Water spray, dry chemical, foam, or CO₂
- Special Precautions: Use protective equipment and avoid inhalation of smoke
- Hazardous Combustion Products: Carbon oxides, toxic fumes
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