Methyl Paraben

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Methyl Paraben is a white to off-white crystalline powder widely used as an antimicrobial preservative in cosmetics, pharmaceuticals, and food products. It is a member of the paraben family of preservatives known for their effectiveness against a broad spectrum of bacteria and fungi. Methyl Paraben helps extend the shelf life of products by preventing microbial growth without affecting the product’s texture or color.

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Category: Preservatives Tags: Cosmetic preservative, Cosmetic Raw Material, Food-grade preservative, Methyl Paraben, Pharmaceutical preservative

Description

Table of Contents

Methyl Paraben

Primary Uses

Cosmetics and Personal Care Products
- Preservative in creams, lotions, shampoos, and makeup to prevent microbial contamination.
- Enhances product stability and shelf life.
Pharmaceuticals
- Used as a preservative in topical formulations, syrups, and injectables to inhibit microbial growth.
Food Industry
- Acts as a preservative in baked goods, beverages, and processed foods to prevent spoilage.

Secondary Uses

Industrial Applications
- Used in the preservation of adhesives and inks to prevent bacterial degradation.
Laboratory Reagent

Employed as a preservative in biological and chemical reagents.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name (IUPAC): Methyl 4-hydroxybenzoate
Common/Trade Name: Methyl Paraben
CAS Number: 99-76-3
HS Code: 2916.39.00
Synonyms: Methyl p-hydroxybenzoate; E218; Parahydroxybenzoic acid methyl ester

2. Physical & Chemical Properties

Physical State: Powder or crystalline solid
Color & Odor: White to off-white; odorless or faint aromatic odor
Melting Point: 125 – 128°C
Solubility: Slightly soluble in water; soluble in alcohol, ether, and chloroform
Density: Approx. 1.32 g/cm³

3. Safety & Hazard Attributes

GHS Classification: Not classified as hazardous at typical use concentrations
Toxicity: Low toxicity; generally recognized as safe (GRAS) at regulated levels
Exposure Limits: No specific occupational exposure limits; standard handling precautions

4. Storage & Handling Attributes

Storage Conditions: Store in a cool, dry, well-ventilated place away from strong oxidizers
Container Type: Supplied in sealed bags or containers
Shelf Life: Typically 24 months if stored properly
Handling Precautions: Avoid dust formation; use gloves and dust masks if necessary

5. Regulatory & Compliance Attributes

Complies with FDA, USP, and European pharmacopoeia standards
Approved as a food preservative (E218) and cosmetic preservative under various regulations

6. Environmental & Health Impact

Biodegradability: Biodegradable under environmental conditions
Ecotoxicity: Low environmental impact when used as directed
Bioaccumulation: Not expected to bioaccumulate
Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required: Gloves, dust mask, and safety goggles recommended during handling
Handling Guidelines: Use in well-ventilated areas; avoid inhalation of dust
Storage Measures: Keep containers tightly closed and stored away from incompatible materials

First Aid Measures

Inhalation: Move to fresh air if irritation occurs
Skin Contact: Wash thoroughly with soap and water
Eye Contact: Rinse eyes with plenty of water for at least 15 minutes; seek medical attention if irritation persists
Ingestion: Rinse mouth; seek medical advice if symptoms occur

Firefighting Measures

Fire Hazards: Combustible solid
Extinguishing Media: Use water spray, foam, dry chemical, or carbon dioxide extinguishers
Special Precautions: Wear protective equipment to avoid dust inhalation
Hazardous Combustion Products: May produce carbon oxides and other toxic fumes under fire conditions