Diethylene Glycol Uses and Properties

Diethylene Glycol (DEG), with the chemical formula $C_4H_{10}O_3$, is an organic compound often utilized in various industrial applications due to its properties as a solvent and humectant.

Statement I Analysis: Industrial Solvent Use

This statement addresses the role of Diethylene Glycol as an industrial solvent. DEG is indeed widely employed in several industrial sectors.

• Antifreeze: It serves as a component in automotive antifreeze formulations.
• Brake Fluid: DEG is used in the production of brake fluids.
• Manufacturing: It acts as a solvent and intermediate in the manufacturing of fabrics, dyes, plastics, and other chemical products.
• Other Uses: It can also be found in inks, cosmetics, and as a dehydrating agent for natural gas.

Therefore, the claim that Diethylene Glycol is an industrial solvent used in products like antifreeze, brake fluid, and fabric and dye manufacturing is accurate.

Statement II Analysis: E-cigarette Liquid Ingredient

This statement examines whether Diethylene Glycol is a standard ingredient in e-cigarette liquid.

The primary ingredients typically found in e-cigarette liquids (vape juices) are Propylene Glycol (PG), Vegetable Glycerin (VG), flavorings, and nicotine. Diethylene Glycol (DEG) is not considered a standard or safe ingredient for e-cigarette liquids. Its inclusion is often accidental or due to contamination, and it is known to be toxic if ingested or inhaled, posing significant health risks.

Thus, the statement that DEG is a standard ingredient in e-cigarette liquid is incorrect.

Conclusion on Correctness

Based on the analysis of both statements:

• Statement I is correct regarding the industrial uses of Diethylene Glycol.
• Statement II is incorrect as Diethylene Glycol is not a standard component of e-cigarette liquids.

Consequently, only Statement I is correct.