Propylene Oxide

Basic Information of Propylene Oxide

CAS No.:	75-56-9
EC No.:	200-879-2
Linear Formula:	C₃H₆O
Molecular Weight:	58.08
Appearance:	Transparent Liquid
Odor:	Ethereal; characteristic; sweet, alcoholyc; like natural gas.
Melting Point:	-112 °C
Boiling Point:	34 °C(lit.)
Density:	0.83 g/mL at 25 °C(lit.)
Solubility:	Moderately soluble in water; highly miscible with most organic solvents.
Reactivity:	Highly reactive due to the strained epoxide ring; readily undergoes ring-opening reactions.
Flammability:	Extremely flammable liquid and vapor, with a very low flash point.
RIDADR:	UN 1280 3/PG 1
Chemical Structure:

Our commitment to delivering high-purity Propylene Oxide ensures a reliable and efficient component for your critical processes, offering consistent quality for diverse industrial needs.

Primary Applications of Propylene Oxide (PO)

Propylene Oxide's high reactivity and versatility make it a fundamental chemical building block with extensive applications across various industries:

1. Polyether Polyols Production:

   The vast majority of PO is consumed in the production of polyether polyols. These polyols are crucial raw materials for the manufacture of polyurethanes, which are used in a wide array of products including flexible and rigid foams (for insulation, furniture, automotive), coatings, adhesives, sealants, and elastomers.

2. Propylene Glycol Production:

   A significant portion of PO is hydrolyzed to produce propylene glycol, a versatile chemical used in unsaturated polyester resins, antifreeze, de-icing fluids, cosmetics, pharmaceuticals, and as a food additive (as a humectant, solvent, or preservative).

3. Propylene Glycol Ethers (PGEs):

   PO is used to synthesize propylene glycol ethers, which are excellent solvents found in paints, coatings, inks, and cleaning formulations due to their unique balance of hydrophobicity and hydrophilicity.

4. Surfactants & Detergents:

   It is used in the production of various non-ionic surfactants, which find applications in detergents, emulsifiers, and dispersants in industrial and consumer products.

5. Other Chemical Derivatives:

   PO serves as an intermediate for the synthesis of numerous other chemicals, including isopropanolamines, synthetic lubricants, and flame retardants.

• Exceptional Purity & Consistent Quality: Our Propylene Oxide is manufactured to stringent purity specifications, crucial for optimizing the performance and yield in downstream chemical processes, especially for sensitive polyol and glycol production.

• Commitment to Quality & Safety: We adhere to the highest industry standards for quality management, safety, and environmental responsibility across all our operations, ensuring peace of mind for our clients and the safe handling of hazardous materials.