Poly propylene glycol glycerol ether cas 25791-96-2

Chemical Name:POLY(PROPYLENE GLYCOL)
CAS No.:25791-96-2
Molecular Formula: HO(C3H6O)nCH[CH2(OC3H6)nOH]2
Appearance: Colorless transparent viscous liquid

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Product Overview
Technical Parameter Comparison
Industrial Applications
Operational Guidelines
Implementation Case Studies
Contact for Technical Consultation

Polypropylene Glycol Glycerol Ether (CAS 25791-96-2) Technical Profile

Parameter	Specification
Chemical Name	Polypropylene glycol glycerol ether
CAS Number	25791-96-2
Molecular Formula	C3H8O3·(C3H6O)n
Molecular Weight	Variable (200-4000 g/mol)
Appearance	Colorless to pale yellow viscous liquid
Hydroxyl Value	200-600 mg KOH/g
Viscosity (25°C)	100-3000 mPa·s

Grade Comparison Table

Property	Industrial Grade	Pharmaceutical Grade
Purity	>98%	>99.5%
Water Content	<0.5%	<0.1%
Heavy Metals	<10 ppm	<1 ppm
pH Value	6.0-7.5	6.8-7.2

Functional Applications

Polyurethane Foam Production

Serves as reactive diluent and chain extender in flexible foam formulations, improving tear strength by 15-20% compared to conventional polyols.

Pharmaceutical Excipients

Enhances drug solubility in oral formulations (bioavailability improvement up to 40% for hydrophobic APIs).

Cosmetic Formulations

Functions as non-irritating humectant in skincare products with 72-hour moisture retention capability.

Processing Recommendations

Application	Typical Dosage	Temperature Range
Polyurethane Systems	5-15% w/w	70-85°C
Topical Gels	3-8% w/w	RT-40°C
Drug Delivery	10-25% w/w	Controlled 37°C

Industry Implementation Cases

Automotive Seat Manufacturing

Client: Leading European automotive supplier
Challenge: Reduce foam density while maintaining crash safety standards
Solution: 12% incorporation in HR foam formulation
Results: 18% density reduction with improved compression set (ASTM D3574)

Transdermal Patch Development

Client: US-based pharmaceutical company
Objective: Enhance nicotine permeation rate
Implementation: 15% loading in matrix system
Outcome: 22% increase in transdermal flux (Franz cell testing)

Premium Cosmetic Line

Client: Japanese skincare brand
Requirement: Alcohol-free moisturizing agent
Application: 7% in emulsion system
Performance: 65% TEWL reduction vs. glycerin controls

Technical Consultation & Sample Requests

Our chemical engineering team provides:

Custom molecular weight specifications
Regulatory support (REACH, USP-NF compliance)
Application-specific formulation guidance

Contact our technical specialists:
Email: info@vivalr.com
Tel: (86) 15866781826

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Poly propylene glycol glycerol ether cas 25791-96-2

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