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Tyloxapol or Tiloxapol or 4-(1,1,3,3-Tetramethylbutyl)phenol Polymer
CAS Number: 25301-02-4
Molecular Formula: (C15H21O(C2H4O)m)n
Molecular Weight: Polymer
Tyloxapol or Tiloxapol or 4-(1,1,3,3-Tetramethylbutyl)phenol PolymerTyloxapol or Tiloxapol or 4-(1,1,3,3-Tetramethylbutyl)phenol polymer with formaldehyde and oxirane is a non-ionic liquid polymer used mainly as a surfactant, a pharmaceutical excipient, and an experimental research tool. It is injected in laboratory settings to inhibit lipoprotein lipase, creating animal models of hyperlipidemia (high blood fats) and atherosclerosis.
Tyloxapol USP Grade Specifications:
Phenol, 4-(1,1,3,3-tetramethylbutyl)-, polymer with formaldehyde and oxirane;
p-(1,1,3,3-Tetramethylbutyl)phenol polymer with ethylene oxide and formaldehyde
CAS 25301-02-4
UNII: Y27PUL9H56DEFINITION
Tyloxapol is a nonionic liquid polymer of the alkyl aryl polyether alcohol type. [Note— Precautions should be exercised to prevent contact of Tyloxapol with metals.]IDENTIFICATION
A. Infrared Absorption.Residue on Ignition: NMT 1.0%
Limit of Anionic Detergents: To pass the test.
Limit of Ethylene Oxide: To pass the test. Acceptance criteria: NMT 10 µg/g.
Limit of Formaldehyde: To pass the test.
Free Phenol: To pass the test.
Cloud Point: To pass the test. Acceptance criteria: The cloud point is between 92C and 97C.
pH: Sample solution: 50 mg/mL. Acceptance criteria: 4.0–7.0
Packaging and Storage: Preserve in tight containers.American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.
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16 October, 2026