Sodium Methyl Paraben

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 Sodium Methyl Paraben is the sodium salt of methylparaben, a widely used preservative in cosmetics, pharmaceuticals, and food. It is a white, odorless, crystalline powder that is water-soluble and effective against a broad spectrum of bacteria, molds, and yeasts. As a paraben derivative, it helps prevent microbial contamination and extends shelf life. It is often preferred over methylparaben in formulations where water solubility is required.

Description

Uses


Primary Uses 

  • Pharmaceuticals

    • Used as an antimicrobial preservative in oral and topical medicinal formulations.

    • Stabilizes syrups, suspensions, creams, and eye drops by preventing microbial growth.

  • Cosmetics & Personal Care

    • Added to lotions, creams, shampoos, and deodorants to inhibit bacterial and fungal contamination.

    • Ensures product safety and longevity in water-based personal care items.

  • Food Industry

    • Utilized in beverages, sauces, and processed foods as a preservative to control spoilage.

    • Helps extend shelf life by inhibiting yeast and mold growth (where permitted by food regulations).

Secondary Uses

  • Veterinary Products

    • Used in animal pharmaceuticals and topical veterinary treatments as a preservative.

  • Laboratory & Research Chemicals

    • Acts as a reference or control preservative in microbiological and pharmaceutical research.

  • Textile & Leather Processing

Occasionally used in water-based treatments where preservation against microbial contamination is needed.

PRODUCT KEY FEATURES

Basic Identification Attributes

  • Chemical Name (IUPAC): Sodium 4-(methoxycarbonyl)phenolate

  • Common/Trade Name: Sodium Methyl Paraben

  • CAS Number: 5026-62-0

  • HS Code: 2918.23.00

  • Synonyms: Methylparaben sodium salt; Sodium methyl 4-hydroxybenzoate

Physical & Chemical Properties

  • Physical State: Solid (crystalline powder)

  • Color & Odor: White, odorless

  • Solubility: Highly soluble in water and alcohol

  • pH (1% solution): Approx. 9.5–10.5

  • Melting Point: ~125–128°C (decomposes)

  • Stability: Stable under normal storage conditions

 

Safety & Hazard Attributes

  • GHS Classification: Not classified as hazardous under normal conditions

  • Toxicity: Low; considered safe at approved concentrations in food and personal care products

  • Exposure Limits: Follow GMP and cosmetic/pharmaceutical regulations

  • Allergies: Rare cases of skin irritation or allergic response in sensitive individuals

 

Storage & Handling Attributes

  • Storage Conditions: Store in a cool, dry place, away from light and moisture

  • Container Type: Food-grade or pharmaceutical-grade plastic containers or fiber drums

  • Shelf Life: Typically 2–3 years under recommended conditions

  • Handling Precautions: Avoid inhalation of dust; use gloves and eye protection when handling in bulk

 

Regulatory & Compliance Attributes

  • Complies with relevant pharmacopeial standards (e.g., USP, BP, EP)

  • Approved for use by FDA, EFSA, and other regulatory authorities within defined limits

  • Listed under international chemical inventories (REACH, TSCA, AICS)

  • Subject to concentration limits for use in cosmetics and foods as per regional legislation

  • Requires appropriate labeling when used in consumer products

  • Manufactured in accordance with cGMP and ISO quality systems

 

Environmental & Health Impact

  • Biodegradability: Readily biodegradable in natural environments

  • Ecotoxicity: Low environmental impact at permitted usage levels

  • Bioaccumulation: Negligible due to rapid breakdown and low persistence

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

  • PPE Required: Gloves, goggles, lab coat or protective clothing

  • Handling Guidelines: Avoid contact with eyes and inhalation of powder

  • Storage Measures: Keep tightly sealed in original containers; avoid exposure to heat or humidity

 

First Aid Measures

  • Inhalation: Move to fresh air; seek medical attention if respiratory symptoms develop

  • Skin Contact: Wash with soap and water; discontinue use if irritation occurs

  • Eye Contact: Rinse with plenty of water; seek medical attention if irritation persists

  • Ingestion: Rinse mouth with water; consult a healthcare provider if necessary

 

Firefighting Measures

  • Fire Hazards: Non-flammable but may decompose at high temperatures

  • Extinguishing Media: Use water spray, dry chemical, CO₂, or foam

  • Special Precautions: Use self-contained breathing apparatus in enclosed areas

  • Hazardous Combustion Products: May emit carbon oxides on combustion