For purchasing managers, R&D scientists, and formulation chemists, understanding the precise specifications of industrial chemicals is fundamental to making informed buying decisions. Triethylene Glycol Bis(2-Ethylhexanoate) (CAS 94-28-0), a critical plasticizer for various polymer applications, is no exception. Ensuring the chemical meets your project’s requirements involves scrutinizing parameters such as purity, appearance, acid value, and viscosity. As a dedicated manufacturer and supplier, we aim to demystify these specifications and guide you on how to buy the right product.

The chemical name, Triethylene Glycol Bis(2-Ethylhexanoate), and its synonyms like Plasticizer 3GO or TEGDEE, provide a starting point. However, the real value lies in the detailed specifications. The 'Appearance' is typically described as a colorless transparent oily liquid. This visual cue is an initial indicator of quality, with deviations suggesting potential impurities or degradation. For buyers, a clear, colorless liquid is generally preferred, especially in applications where optical clarity is important, such as in PVB safety glass or clear PVC films.

Purity, often expressed as Assay (%), is perhaps the most critical specification. A high assay, typically ≥99.0% for high-performance applications, indicates a minimal presence of contaminants and by-products. This high purity ensures predictable performance and consistent results in your formulations. When you are looking to buy this plasticizer, always inquire about the assay percentage. A reputable manufacturer will readily provide this information, often along with a Certificate of Analysis (CoA).

The 'Color (Pt-Co)' specification, usually measured on the Platinum-Cobalt scale, indicates the degree of yellowness. For most applications, a low value (e.g., ≤30) is desirable. A higher color value might suggest oxidation or the presence of colored impurities, which could adversely affect the appearance of the final product. 'Acid value (KOHmg/g)' measures the amount of free acid present. A low acid value, typically ≤0.2, is crucial as free acids can catalyze degradation reactions in polymers or affect pH-sensitive formulations. It is essential to buy a product with a low acid value to ensure stability and longevity.

Other important specifications include 'Relative density (20°C)' and 'Moisture' content. The relative density provides information about the product's mass per unit volume, important for handling and formulation calculations. Low moisture content (e.g., ≤0.5%) is also critical, as water can interfere with certain polymerization processes or promote hydrolysis. Viscosity and flash point are also key indicators of handling characteristics and safety. A higher flash point (e.g., ≥210°C) suggests greater safety during storage and processing.

When you decide to buy Triethylene Glycol Bis(2-Ethylhexanoate), always compare the specifications provided by different manufacturers. Understanding these parameters allows you to select the product that best suits your specific application needs, ensuring optimal performance and avoiding costly formulation issues. For those seeking a reliable supplier in China, we offer transparent specifications and comprehensive technical support to help you make the most informed purchasing decisions.