Propylene Glycol

PROPYLENE GLYCOL 215KG – A SAFE HUMECTANT AND SOLVENT FOR MANY INDUSTRIES

Propylene Glycol (PG) is a clear, colourless, nearly odourless, hygroscopic liquid fully miscible with water. It is used in food, pharmaceuticals, cosmetics, antifreeze and many industrial applications.

PRODUCT INFORMATION / Introduced packaging: 215 kg/drum. The product is a clear, hygroscopic liquid. Acceptance criteria must be based on the COA of the actual batch delivered.

1. What Is PROPYLENE GLYCOL 215KG?

Propylene Glycol (PG) is an organic compound with the formula C3H8O2, produced by the hydration of propylene oxide. Thanks to its high safety, low toxicity and good hygroscopicity, PG is used as a humectant, solvent and base in food, pharmaceuticals, cosmetics, antifreeze and many other industrial applications.

2. Product Identification and Technical Data

Property	Information
Product name	Propylene Glycol (PG)
Common names	1,2-Propanediol; Propane-1,2-diol
Chemical formula	C3H8O2
CAS No.	57-55-6
EC No.	200-338-0
Molecular weight	76.09 g/mol
Appearance	Clear, slightly viscous liquid
Odour	Practically odourless
Solubility	Fully miscible with water and many solvents
Flash point	~104°C (closed cup)
Packaging	215 kg/drum
Origin shown on packaging	China / Thailand / Korea

2.1. Typical Commercial Specifications

Parameter	Typical reference
Purity	≥ 99.5%
Moisture	≤ 0.1%
Density (20°C)	1.035 – 1.039
Boiling point	186 – 189°C
Flash point	~104°C (closed cup)
Melting point	< -59°C
Colour (APHA)	≤ 10
Acidity (as acetic acid)	≤ 30 ppm
Other parameters	According to batch COA

TECHNICAL NOTICE / The values in this document are provided for reference only and do not replace the TDS, SDS or COA. Acceptance must be verified against the documentation of the actual delivered batch.

3. Key Features

• Fully miscible with water and many organic solvents.
• Low toxicity, safe for food and cosmetic applications.
• Good hygroscopicity as a humectant.
• Low freezing point suitable for antifreeze.
• High chemical stability.

4. Applications

4.1. Food, Pharmaceuticals and Cosmetics

• Humectant and solvent in food.
• Solvent and excipient in pharmaceuticals.
• Humectant in cosmetics and personal care.
• Base in flavours and food additives.
• Humectant in personal care products.

4.2. Industrial Applications

• Raw material for antifreeze and cooling fluids.
• Humectant in textiles and leather processing.
• Solvent in paints, inks and cleaners.
• Antifreeze for refrigeration systems.

4.3. Other Applications

• Humectant and solvent in e-liquid and other speciality products.

5. Instructions for Use

• Use according to the technical guidance and recommended parameters of the manufacturer.
• Blend only with materials whose compatibility has been assessed.
• Perform compatibility and small-scale tests before full-scale production.
• Check shelf life, container condition and labels before use.
• Do not mix with incompatible chemicals without a technical assessment.

6. Safety, Storage and Transportation

• Wear gloves, safety goggles and protective clothing when transferring or handling Propylene Glycol.
• Work in a well-ventilated area and avoid prolonged skin and eye contact.
• Store in a dry, cool warehouse; keep drums on pallets and away from direct sunlight.
• Keep containers closed to prevent moisture absorption (especially for hygroscopic materials).
• Separate from strong oxidisers and incompatible chemicals.
• Do not discharge large quantities into drains, surface water or groundwater.
• Protect cargo from rain, secure the load and keep labels intact.
• In case of eye contact, rinse with clean water for at least 15 minutes. If swallowed, do not induce vomiting and seek medical attention.

7. Selection and Acceptance Criteria

• Verify the COA of the actual delivered batch against the technical requirements.
• Check appearance, colour, clarity and visible impurities.
• Check container condition, seals, labels and traceability information.
• Review the SDS for storage and emergency handling.
• Check homogeneity, water-insoluble matter and batch-specific parameters.

8. Frequently Asked Questions