Description

L 35 CAS NO 121809-80-1 is a high-performance chemical intermediate known for its versatility and reliability in demanding industrial processes. Its consistent quality and purity are critical for ensuring the performance and stability of the final products in which it is incorporated. This compound is essential for manufacturers in sectors such as advanced polymer synthesis, specialty coatings, and fine chemical production, where precise chemical properties are non-negotiable.

Application

• As a key monomer or cross-linking agent in the synthesis of high-performance polymers and resins.
• In the formulation of specialty coatings and adhesives to enhance durability and chemical resistance.
• As a crucial building block in the production of pharmaceutical intermediates and active ingredients.
• In the manufacturing of electronic chemicals, including photoresists and dielectric materials.
• As a modifier or additive in advanced composite materials to improve mechanical properties.
• For research and development in organic synthesis and material science laboratories.

Basic Information

Product Name	L 35
CAS No.	121809-80-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	L-35; 1,3-Bis(3-aminopropyl)tetramethyldisiloxane; 1,3-Bis(3-aminopropyl)-1,1,3,3-tetramethyldisiloxane; Aminopropyl terminated polydimethylsiloxane; Siloxane, 1,3-bis(3-aminopropyl)tetramethyl-; Bis(3-aminopropyl)tetramethyldisiloxane; APTMDS; Amino-functional siloxane
EINECS	Contact for details

Quality Control

Our L 35 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, moisture content, and impurity profiles are available upon request 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 room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its reactive amine groups, it should be stored separately from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC or Titration)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index	Contact for details
Density	Contact for details

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