Double distilled water | CAS# 7732-18-5

• Origin: Vietnam
• CAS Number: 7732-18-5

Double distilled water (Double Distilled Water) Water is purified through two distillation processes, aiming to remove most impurities, minerals, sediment, microorganisms, and some undesirable components present in the original water source. Its chemical formula is H₂O, and it typically exists as a clear, colorless, odorless, and tasteless liquid.

Thanks to its higher purity compared to regular water, double-distilled water is used as a solvent and base in many formulations requiring water quality control. It is a crucial ingredient in the production of cosmetics, personal care products, chemicals, pharmaceuticals, fragrances, and specialized industrial products.

1. Characteristics of Double Distilled Water

The product is typically transparent, colorless, odorless, and tasteless. Due to its low mineral and dissolved substance content, double-distilled water is suitable for formulations requiring a stable water source and minimizing unwanted interactions between mineral ions and other components.

However, double-distilled water is not the same as ultrapure water. Actual purity needs to be assessed based on indicators such as electrical conductivity, total dissolved solids (TOC), microbiological standards, and specific product specifications.

2. What are the uses of double-distilled water?

In manufacturing, double-distilled water is primarily used as a solvent, diluent, and base for formulations. A water source with the appropriate purity helps to limit the impact of metal ions, minerals, or impurities in regular water on the properties of the product.

Some common roles include:

• Solvent: Dissolve or aid in the dispersion of water-soluble components.
• Substrate: It creates the water phase for many cosmetic and chemical formulations.
• Diluent: Adjust the concentration of the raw material or finished product.
• Water for processing raw materials: Used in several production and mixing processes.
• Formula stabilization support: It limits the impact of minerals and impurities found in regular water.

3. Applications in cosmetic production

Double-distilled water is a crucial ingredient in water-based cosmetic formulations. It's used to dissolve, dilute, and disperse various other components.

The ingredients can be used in:

• Toner and skin balancing water
• Facial mist
• Water-based serum
• Moisturizers and lotions
• Cleanser
• Skin care gel
• Shampoo, conditioner
• Shower gel
• Personal care products
• Liquid cosmetic formulations

Using a water source with consistent quality allows manufacturers to better control the consistency of the formula, especially for products with a high water content.

4. Applications in the fragrance and flavoring industry.

In the fragrance and air care industry, double-distilled water can be used as a water base or solvent in water-based fragrance products.

Some typical applications include:

• Water-based air freshener
• Air freshener
• Room spray
• Fabric freshener spray
• Fabric spray
• Body hole
• Hairdresser
• Water-based fragrance products
• Cleaning or sanitizing solutions containing fragrances.

For fragrance-containing formulations, using water with low mineral content can help limit interactions between minerals in the water and the formulation's ingredients, thereby supporting the maintenance of the product's appearance and stability.