Preservatives(food)
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Methlyl Paraben Sodium BP
Methlyl Paraben Sodium BP is the sodium salt form of methyl paraben, a widely used preservative in pharmaceuticals, cosmetics, and food products. It exhibits excellent antimicrobial properties, particularly against molds, yeasts, and some bacteria, extending the shelf life and safety of formulations. It is a white to off-white crystalline powder, highly soluble in water, and stable across a range of pH levels.
Methlyl Paraben Sodium BP
Primary Uses
- Pharmaceutical Preservation
- Used to prevent microbial growth in topical creams, ointments, and solutions.
- Extends shelf life of liquid and semi-solid pharmaceutical formulations.
- Cosmetics and Personal Care
- Preservative in lotions, shampoos, conditioners, deodorants, and makeup products.
- Helps prevent spoilage and maintains product integrity.
- Food Industry
- Used as a preservative in food products, beverages, and packaging materials to inhibit mold and yeast growth.
- Industrial Applications
- Applied in various industrial products to prevent microbial contamination during storage.
Secondary Uses
- Dental Products
- Preservative in mouthwashes and toothpaste formulations.
- Veterinary Products
- Used in topical veterinary medicines to extend shelf life.
- Laboratory Reagents
- Used as a preservative in reagent solutions to maintain stability.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Sodium 4-hydroxybenzoate
- Common/Trade Name: Methyl Paraben Sodium BP
- CAS Number: 5026-62-0
- HS Code: 2916.19.00
- Synonyms: Sodium methylparaben; methyl 4-hydroxybenzoate sodium salt
2. Physical & Chemical Properties
- Physical State: Crystalline powder
- Color & Odor: White to off-white; odorless to faintly aromatic
- Solubility: Highly soluble in water; slightly soluble in alcohol
- Melting Point: Approx. 300°C (decomposes)
- pH: Stable in pH range 4–8
3. Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous under normal handling
- Toxicity: Low toxicity; avoid ingestion and prolonged skin contact
- Exposure Limits: No specific occupational exposure limits
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated place, protected from moisture
- Container Type: Supplied in sealed bags or drums
- Shelf Life: Typically 24 months if stored properly
- Handling Precautions: Use gloves and dust mask to avoid dust inhalation
5. Regulatory & Compliance Attributes
- Complies with British Pharmacopoeia (BP) and international preservative standards
- Approved for use in cosmetics and food products under relevant regulations (e.g., FDA, EU Cosmetics Directive)
6. Environmental & Health Impact
- Biodegradability: Readily biodegradable
- Ecotoxicity: Low environmental impact when used as directed
- Bioaccumulation: Not expected to bioaccumulate
- Carcinogenicity/Mutagenicity: Not classified as carcinogenic
Safety Handling Precautions
- PPE Required: Gloves and dust mask recommended
- Handling Guidelines: Use in well-ventilated areas; avoid dust generation and skin contact
- Storage Measures: Keep containers tightly closed; store away from incompatible materials
First Aid Measures
- Inhalation: Move to fresh air if irritation occurs
- Skin Contact: Wash skin with soap and water
- Eye Contact: Rinse with plenty of water for at least 15 minutes; seek medical attention if irritation persists
- Ingestion: Rinse mouth; seek medical advice if discomfort occurs
Firefighting Measures
- Fire Hazards: Combustible solid
- Extinguishing Media: Use water spray, foam, dry chemical, or CO2 extinguishers
- Special Precautions: Avoid inhalation of smoke or dust
- Hazardous Combustion Products: May produce carbon oxides under fire conditions
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