Description

C12E8 CAS NO 3055-98-9 is a high-purity, non-ionic surfactant belonging to the polyoxyethylene alkyl ether family, specifically octaethylene glycol monododecyl ether. This compound is valued for its excellent solubilizing, emulsifying, and stabilizing properties in aqueous systems. It is a critical reagent in life science research, particularly for membrane protein solubilization and crystallization, and finds significant utility in industrial formulations requiring precise surface activity.

Application

• Membrane Protein Research: A key detergent for solubilizing, purifying, and stabilizing integral membrane proteins for structural biology studies.
• Biochemical Reagent: Used in cell lysis buffers and to maintain protein functionality in various in vitro assays.
• Pharmaceutical Formulations: Acts as a solubilizer and emulsifier in topical and parenteral drug delivery systems.
• Industrial & Institutional Cleaning: A component in specialized detergent formulations requiring controlled foaming and high wetting power.
• Agrochemical Adjuvants: Enhances the spreading and penetration of pesticides and herbicides on plant surfaces.
• Cosmetics & Personal Care: Used as a mild surfactant and emulsifier in high-end skincare and haircare products.
• Laboratory Standard: Serves as a critical micelle concentration (CMC) standard and reference material in surface chemistry.

Basic Information

Product Name	C12E8
CAS No.	3055-98-9
Molecular Formula	C₂₈H₅₈O₉
Molecular Weight	538.75 g/mol
Synonyms	Octaethylene glycol monododecyl ether; Polyoxyethylene (8) lauryl ether; PEG-8 lauryl ether; Dodecyl octaethylene glycol ether; Laureth-8; α-Dodecyl-ω-hydroxy-octa(oxyethylene); POE (8) lauryl alcohol; Brij® L8 (analog)
EINECS	221-286-5

Quality Control

Our C12E8 is manufactured under a strict quality management system to ensure batch-to-batch consistency and high performance. Each lot is subjected to rigorous analytical testing, including HPLC for purity and assay, determination of critical micelle concentration (CMC), and verification of physical properties. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 15-25°C. This material is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Critical Micelle Concentration (CMC)	0.08 - 0.12 mM (in water at 25°C)
Cloud Point (1% aq. sol.)	> 100°C
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.