Description

Ethanaminium, 2-Hydroxy(1-Methylethoxy)Phosphinyloxy-N,N,n-Trimethyl-, Inner Salt is a specialized zwitterionic surfactant and phosphobetaine compound with unique amphoteric properties. Its structure provides excellent compatibility and stability in demanding formulations, making it a critical performance additive. This chemical is essential for manufacturers in the personal care, agrochemical, and industrial cleaning sectors seeking to enhance product efficacy and environmental profile.

Application

• Personal Care & Cosmetics: Acts as a mild surfactant, emulsifier, and conditioning agent in shampoos, body washes, and skin care products.
• Agrochemical Formulations: Used as a wetting agent, dispersant, and anti-foaming agent in pesticides, herbicides, and foliar fertilizers.
• Industrial & Institutional (I&I) Cleaning: Serves as a key component in hard surface cleaners, degreasers, and detergent formulations for its stability across pH ranges.
• Textile & Leather Processing: Functions as a softener, leveling agent, and antistatic agent in dyeing and finishing processes.
• Oilfield Chemicals: Employed as a corrosion inhibitor and surfactant in drilling muds and enhanced oil recovery (EOR) fluids.
• Paint & Coating Additives: Enhances pigment dispersion, wetting, and flow properties in water-based coating systems.

Basic Information

Product Name	Ethanaminium, 2-Hydroxy(1-Methylethoxy)Phosphinyloxy-N,N,n-Trimethyl-, Inner Salt
CAS No.	21991-66-2
Molecular Formula	C8H20NO5P
Molecular Weight	241.22 g/mol
Synonyms	Phosphorylcholine Isopropyl Ester; Isopropyl Phosphorylcholine; 2-[(Isopropoxy(hydroxy)phosphinyl)oxy]-N,N,N-trimethylethanaminium Hydroxide, Inner Salt; (2-Trimethylammonioethyl) Isopropyl Phosphate; IPC; Phosphobetaine PC-ISO; 1,2-Propanediol, 3-chloro-, 1-(dihydrogen phosphate), 2-(trimethylammonio)ethyl ester, inner salt (related structure).
EINECS	244-674-7

Quality Control

Our Ethanaminium, 2-Hydroxy(1-Methylethoxy)Phosphinyloxy-N,N,n-Trimethyl-, Inner Salt is produced under a strict quality management system. Every batch is analyzed to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 3.0%
pH (10% solution)	5.0 - 7.0
Heavy Metals (as Pb)	≤ 10 ppm

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