Description

3-(Triethylstannyl)Propanoic Acid is a specialized organotin compound with the CAS number 139903-68-7, serving as a versatile intermediate in advanced organic synthesis. Its value lies in its ability to introduce the triethylstannyl moiety, a key functional group for cross-coupling reactions and polymer modification. This high-purity reagent is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science sectors developing novel compounds and functional polymers.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) via Stille cross-coupling reactions.
• Agrochemical Synthesis: Serves as a key building block for creating novel fungicides, herbicides, and other crop protection agents.
• Polymer Chemistry: Employed as a functionalization agent for modifying polymers and plastics to impart specific properties.
• Material Science Research: Acts as a precursor in the development of advanced materials, including catalysts and conductive polymers.
• Organic Synthesis Reagent: A valuable reagent for constructing complex organic molecules in academic and industrial R&D laboratories.
• Chemical Intermediate: Used in the multi-step synthesis of other organometallic compounds and fine chemicals.

Basic Information

Product Name	3-(Triethylstannyl)Propanoic Acid
CAS No.	139903-68-7
Molecular Formula	C9H20O2Sn
Molecular Weight	278.96 g/mol
Synonyms	Triethyl(2-carboxyethyl)tin; 3-(Triethylstannyl)propionic Acid; Propanoic Acid, 3-(Triethylstannyl)-; (2-Carboxyethyl)triethylstannane; Triethyltin Propionate; ET3SnCH2CH2COOH; Triethylstannylpropionic Acid; Triethyl(2-carboxyethyl)stannane
EINECS	Contact for details

Quality Control

Our 3-(Triethylstannyl)Propanoic Acid is manufactured under strict quality control protocols to ensure high purity and batch-to-batch consistency, suitable for sensitive synthetic applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards for fine chemical intermediates, and custom synthesis and specific purity grades are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C to minimize oxidation and degradation. Due to its hygroscopic and light-sensitive nature, the container should be allowed to reach room temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Tin (Sn) Content	Contact for details
Water Content (KF)	≤ 0.5%

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