Description

Eth 157 is a specialized chemical compound, also known by its CAS number 61595-77-5. This product is valued for its specific functional properties, making it a critical intermediate or additive in advanced manufacturing processes. It is primarily utilized by industries requiring high-performance materials, such as specialty polymer synthesis and advanced material science.

Application

• As a key monomer or intermediate in the synthesis of high-performance polymers and resins.
• In the formulation of specialty coatings and adhesives requiring enhanced durability.
• As a functional additive in advanced material composites to modify specific physical properties.
• In the research and development of novel organic electronic materials.
• As a building block for pharmaceutical intermediates in fine chemical synthesis.
• In the production of specialty surfactants or lubricant additives.

Basic Information

Product Name	Eth 157
CAS No.	61595-77-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Eth-157; 61595-77-5; Ethyl 157; 1,3-Benzenedicarboxylic acid, 5-sulfo-, 1,3-bis(2-ethylhexyl) ester; Bis(2-ethylhexyl) 5-sulfoisophthalate; Sulfonated dioctyl isophthalate; Dioctyl sulfoisophthalate; Sulfonated bis(2-ethylhexyl) isophthalate
EINECS	Contact for details

Quality Control

Our Eth 157 is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and meets predefined specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is available for every shipment to guarantee traceability and compliance.

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 prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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