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Polypropylene Glycol CAS#25322-69-4

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Chemical Name：Polypropylene Glycol

CAS No.:25322-69-4

Molecular Formula：CH4

Sample: Available

Mode of Transportation

1. By Air, fast but expensive.

2. By Sea, usual and economy.

3. By Train, suit for middle Asia countries.

4. By Express, suit for small package.

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Product Details

Polypropylene Glycol CAS#25322-69-4

Modern production methods for polypropylene glycol utilize catalysts such as KOH or double metal complex (DMC) in processes ranging from traditional semi-continuous reactors to innovative microchannel reactor systems, with optimal synthesis conditions at temperatures around 190°C and pressures of approximately 2 MPa, achieving propylene oxide conversion rates up to 63.5% and molecular weights between 600 and 650 in laboratory-scale operations

Polypropylene Glycol CAS#25322-69-4

Polypropylene glycol Chemical Properties

Melting point	-40 °C
Boiling point	>300 °C
density	1.01 g/mL at 20 °C
vapor density	>1 (vs air)
Pour Point	-26
Pour Point	-45
vapor pressure	<0.01 mm Hg ( 20 °C)
refractive index	n20/D 1.451
Fp	230 °C
storage temp.	Storage temp. 2-8°C
solubility	H2O: <0.01 % (w/w) at 25 °C
form	Viscous Liquid
Specific Gravity	1.005
color	White to light gray
Water Solubility	PRACTICALLY INSOLUBLE
FreezingPoint	-25
FreezingPoint	-40
Stability:	Stable. Substances to be avoided include strong oxidizing agents.
LogP	0.01 at 25℃
NIST Chemistry Reference	Polypropylene glycol 425(25322-69-4)
EPA Substance Registry System	Polypropylene glycol (25322-69-4)

Product Usage

Polypropylene glycol (PPG) is widely used in industrial, food and pharmaceutical fields due to its diverse properties such as lubrication, solubilization, defoaming and skin moisturizing that can be achieved by adjusting the molecular weight, as well as its good compatibility, to meet the functional requirements of multiple scenarios.

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