MonoPropylene Glycol ( MPG)

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Mono Propylene Glycol (MPG) is a clear, colorless, odorless, and slightly viscous liquid commonly used as a solvent, humectant, and antifreeze agent. It exhibits excellent moisture retention, low volatility, and high boiling point, making it suitable for a wide range of industrial, food, pharmaceutical, and cosmetic applications. MPG is valued for its low toxicity and biodegradability.

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Categories: Automotive chemicals, COSMETIC AND PERSONAL CARE CHEMICALS, Emulsifiers, FOOD AND BEVERAGE CHEMICALS, Humectants, PHARMACEUTICAL CHEMICALS, Solvents(pharmaceutical), SPECIALTY AND FINE CHEMICALS Tags: Food-Grade Solvent, Mono Propylene Glycol, MPG, Propylene Glycol

Description

Table of Contents

Primary Uses

Antifreeze and Coolants
- Used in automotive and HVAC systems as an antifreeze and heat transfer fluid.
- Provides freeze protection and corrosion resistance in cooling systems.
Food Industry
- Used as a food additive (E1520) for humectancy, solvent, and carrier for flavors and colors.
- Helps maintain moisture in baked goods, frostings, and processed foods.
Pharmaceuticals and Personal Care
- Acts as a solvent and humectant in lotions, creams, shampoos, and oral care products.
- Used in formulations of cough syrups, elixirs, and topical medicines.
Chemical Intermediate and Solvent
- Serves as a solvent in paints, coatings, adhesives, and inks.
- Intermediate in manufacturing unsaturated polyester resins and plasticizers.

Secondary Uses

Tobacco Industry
- Used as a humectant in tobacco products to retain moisture.
De-icing and Hydraulic Fluids
- Ingredient in de-icing solutions and brake fluids.
Textiles and Paper
- Employed as a softening agent and humectant in textile and paper processing.
Animal Feed

Used as a carrier for vitamins and pharmaceuticals in animal feed.

KEY PRODUCT FEATURES

Basic Identification Attributes

Chemical Name (IUPAC): Propane-1,2-diol
Common/Trade Name: Mono Propylene Glycol (MPG)
CAS Number: 57-55-6
HS Code: 2905.32
Synonyms: 1,2-Propanediol; Propylene Glycol

Physical & Chemical Properties

Physical State: Clear, colorless, viscous liquid
Color & Odor: Colorless; odorless to faintly sweet odor
Boiling Point: 188.2°C
Melting Point: -59°C
Density: 1.036 g/cm³
Solubility: Miscible with water, alcohols, and many organic solvents
Viscosity: Approx. 60 cP at 20°C

Safety & Hazard Attributes

GHS Classification: Low acute toxicity; not classified as hazardous under normal use
Toxicity: Low toxicity; generally recognized as safe (GRAS) for food and cosmetic use
Exposure Limits: OSHA PEL – Not established

Storage & Handling Attributes

Storage Conditions: Store in cool, dry, well-ventilated area away from incompatible substances
Container Type: Supplied in steel drums, plastic drums, and tankers
Shelf Life: Typically 12–24 months if stored properly
Handling Precautions: Use protective gloves and goggles; avoid inhalation of vapors and prolonged skin contact

Regulatory & Compliance Attributes

Complies with FDA, REACH, EPA, and other major regulatory standards
Approved as a food additive (E1520) and cosmetic ingredient

Environmental & Health Impact

Biodegradability: Readily biodegradable
Ecotoxicity: Low environmental impact; avoid release to aquatic systems in large amounts
Bioaccumulation: Not expected to bioaccumulate

Carcinogenicity/Mutagenicity: Not classified as carcinogenic

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required: Gloves, goggles, and protective clothing recommended
Handling Guidelines: Use in well-ventilated areas; avoid skin and eye contact
Storage Measures: Keep containers tightly closed; protect from moisture and contaminants

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if symptoms persist
Skin Contact: Wash with soap and water; remove contaminated clothing
Eye Contact: Rinse eyes with water for at least 15 minutes; seek medical advice if irritation occurs
Ingestion: Rinse mouth; seek medical attention if large amounts ingested