CRESOL RH 40/50 ®

Polyethylene Glycol (PEG) Hydrogenated Castor Oils | Nonionic surfactant, solubilizer, emulsifier

Cresol RH 40 and Cresol RH 50 are high-purity, non-ionic surfactants derived from hydrogenated castor oil ethoxylated with 40 or 50 moles of ethylene oxide, respectively. These materials are widely used as solubilizers, emulsifiers, and dispersing agents in pharmaceutical, cosmetic, and industrial formulations.

Manufactured with precision and consistency, our Cresol RH series offers exceptional clarity, stability, and safety, making it ideal for sensitive formulations.

cresol packaging photo

Technical Specifications

Property Cresol RH 40 Cresol RH 50
INCI Name PEG-40 Hydrogenated Castor Oil PEG-50 Hydrogenated Castor Oil
Appearance Viscous Liquid Viscous Liquid
Odor Faint, Characteristic Faint, Characteristic
Acid Value(mg KOH/g) ≤1.0 ≤1.0
Hydroxyl Value(mg KOH/g) ≥40 ≥50
Saponification Value 55-60 60-65
HLB(approx.) ~13-14 ~15-16
Water Solubility Dispersible or soluble Fully Soluble in Water
pH (5% solution) 6.0 - 8.0 6.0 - 8.0

Product Highlights

Purity & Quality

High-purity grades manufactured with strict quality control and consistency

Performance

Superior emulsification and solubilization across diverse formulations

Regulatory Compliance

Meets USP, BP, EP standards and FDA-approved for pharmaceutical use

Applications

Pharmaceuticals

Solubilization of fat-soluble vitamins. Carrier for poorly water-soluble APIs. Emulsifier in oral suspensions and injectables.

Cosmetics and Personal Care

Clear shampoos, gels, lotions, and creams. Solubilizer for essential oils and fragrances. Emulsifier in O/W (oil-in-water) Systems.

Industrial

Used in detergents, cleaning agents, and agrochemical formulations. Non-ionic emulsifier in specialty formulations.

Certifications and Compliance

Our Cresol RH 40/50 products are manufactured in accordance with strict quality standards and comply with major pharmacopeial standards including USP, BP, and EP. We maintain GMP certification and provide full documentation including Certificates of Analysis (COA) and Material Safety Data Sheets (MSDS) upon request.

USP Compliance

United States Pharmacopeia standards

GMP Certification

Good Manufacturing Practice standards

Documentation

Complete COA and MSDS available