For professionals in the chemical industry, selecting the right grade of a chemical compound is paramount to ensuring successful application and product quality. Tetraethylene Glycol (TEG), CAS 112-60-7, is widely used across various sectors, from oil refining to cosmetics. Understanding its key specifications is essential for making informed purchasing decisions. Industrial buyers frequently inquire about 'Tetraethylene Glycol specifications' and the importance of 'purity for industrial use'.

The primary specification for Tetraethylene Glycol is its assay or purity. Most industrial applications require a high purity level, typically stated as '≥ 98.00%'. This metric indicates the percentage of TEG present in the sample. Higher purity generally means fewer impurities, which can interfere with chemical reactions, alter product performance, or even cause safety concerns. For critical applications like aromatic hydrocarbon extraction in oil refineries, even minor impurities can affect separation efficiency.

Another crucial specification is moisture content, often listed as '≤ 0.10%'. Water can act as an unwanted reactant or diluent in many chemical processes. For instance, in hygroscopic applications or where water might affect the stability of other components in a formulation, low moisture content is critical. Similarly, acidity is a key parameter, typically specified as '≤ 0.02%'. High acidity can indicate degradation or contamination, potentially leading to corrosion or unwanted side reactions. Some specifications may also include limits for peroxides, typically '≤ 0.005%', as peroxides can be indicative of oxidative degradation and pose safety risks.

When procuring TEG, buyers should also pay attention to the appearance, which is consistently described as 'colorless to light yellowish liquid'. Any significant deviation from this might suggest contamination or degradation. Information on packaging, such as '230kg/drum', is also vital for logistics and handling. For those looking to buy Tetraethylene Glycol, understanding these specifications and seeking a 'Tetraethylene Glycol manufacturer China' that can consistently meet these standards is a strategic move.

In summary, the critical specifications for Tetraethylene Glycol—purity, moisture content, acidity, and appearance—dictate its suitability for various industrial applications. By diligently reviewing these parameters and working with reputable suppliers, procurement specialists can ensure they are acquiring a high-quality product that meets their specific needs, thereby safeguarding their processes and end-product quality. Remember to always check the latest specifications from your chosen manufacturer or supplier.