1, 2-hexadiol chemical raw material additive relatively safe preservative

As a cosmetic formulator and a consumer, my only concern is to make the product perfect. I have also said before that a skin care product has added a variety of nutritional ingredients, if you do not use preservatives, it is inevitable that users will worry about the loss of nutrients when using the product, product corruption and decomposition products to the skin damage. The choice of relatively safe and effective preservatives has become a top priority. After our screening, we will introduce several anti-corrosion ingredients to you in the next few days, and today I want to introduce the protagonist – 1, 2-hexadiol.

1, 2-hexanediol market situation

In 2019, the production capacity of 1, 2-hexadiol is about 23,000 tons, the output is about 12,000-15,000 tons, the import volume is about 2,500 tons, and the export volume is about 5,000 tons. 1, 2-hexadiol products are divided into cosmetic grade and industrial grade: cosmetic grade purity ≥99.5%, odorless; Industrial grade purity ≥98%, odor. Industrial-grade products are mainly used in domestic applications, and domestic products can not be used in the field of cosmetics due to odor, mainly used in the field of ink; Cosmetics are imported from South Korea, requiring products to be colorless and odorless, domestic products are exported to South Korea, and then sold to China after deodorization in South Korea. A large mask factory uses about 5-6T of cosmetic grade 1, 2-hexanediol a year.

Downstream application of 1, 2-hexanediol

1, 2-hexadiol is an important chemical raw material, which is widely used in the ink of color inkjet printers, advanced cosmetics and synthetic raw materials in the pharmaceutical industry.

First, the application of ink

Printer is a tool widely used in contemporary society, 1, 2-hexadiol can be used as a raw material for inkjet printing ink in printers, and it is used more and more widely. Canon Company, Seiko Epson, etc., add 1, 2-hexanediol to the ink, you can get more uniform and ozone resistance, excellent gloss ink.

Second, the application of cosmetics

1, 2-hexanediol is added to daily necessities and used as a preservative in contact with the human body, which has the effect of sterilization and moisturizing, and does not have a negative effect on human health. Many patents or articles mention that 1, 2-hexanediol and other substances with anti-microbial effects can play an anti-microbial effect. P&g adds 1, 2-hexadiol to deodorants and antiperspirants, resulting in a deodorant/antiperspirant that is better at deodorizing/antiperspirant, with better skin feel, clarity, and gentler on the skin.

The United States has added 1, 2-hexadiol to eyelid lotion, Givudan Co., Ltd. and Japan’s Yoshiko Co., Ltd. have also added 1, 2-hexadiol to skin care compositions in place of other antiseptic preservatives. Dow Global Technologies uses 1, 2-hexadiol instead of alcohol to add to the perfume, both to reduce skin irritation, and because of its excellent solvent and solubability, reduce the use of surfactants to achieve a more stable product. Chinese cosmetics companies have also added 1, 2-hexadiol to cosmetics, which is bactericidal and preservative and less irritating to the skin, improving the safety of skin care products.

Third, applications in the pharmaceutical industry

1, 2-hexadiol is mainly used as chemical raw materials in the pharmaceutical industry, which provides the basis for the development and utilization of downstream products.

Fourth, other applications

1, 2-hexadiol can be used in high-grade coatings, high-grade glue, binders, etc., and is also an organic synthesis intermediate, which can manufacture downstream products such as 1, 2-hexadiacid and amino alcohols.

Process route

Technology 1, 2-hexadiol was prepared by oxidation method and refined by concentration and extraction.