Ethanol

The production of ethanol from sugar in Europe dates back to the early 19th Century. The first molasses distilleries originated in the second half of the 19th Century in Northern Germany, which included KWST. The fermentation of alcohol continued to be developed further over thousands of years, and today it is an existential element of industrial production in many sectors.

For the production of bioethanol as a fuel additive, there is generally only a very limited concentration and purification which is essentially aimed at reducing the water content.

In the field of food, cosmetics and pharmaceutical industry very pure neutral alcohol is in high demand, as it is produced in complex multi-step rectifications and through the use of water (hydroselection). This yields an alcohol that is neutral in taste, i.e. it has no undesirable foreign odor or taste.

At 97.2%vol. ethanol with water forms an azeotrope and cannot be further concentrated by distillation. Using the so-called entrainer distillation, we remove the remaining water. The same effect is achieved by drying using a molecular sieve.

Sort Name/Quality Alcohol level Sample applications
410 Ethanol, neutral, azeotropic, Surfin quality min. 96,0 %vol. Spirits industry,
cosmetic industry
430 Ethanol, neutral, azeotropic, surfin quality, extra fine min. 96,0 %vol. Spirits industry
450 01 Ethanol, neutral, azeotropic, technical quality min. 96,0 %vol. Chemical industry,
Household products
450 02 Ethanol, neutral, azeotropic, DAB (German Pharmacopoeia) quality min. 96,0 %vol. Chemical industry,
Printing inks and lacquers
520 06 Ethanol, neutral, dehydrated, surfin quality min. 99,8 %vol. Cosmetic industry
520 01 Ethanol, neutral, dehydrated, technical quality min. 99,8 %vol. Chemical industry,
Household products
520 02 Ethanol, neutral, dehydrated, DAB (German pharmacopoeia) quality min. 99,9 %vol. Pharmaceutical industry
140 Crude alcohol min. 80,0 %vol. Vinegar industry
180 Alcohol heads and tails quality min. 80,0 %vol. Wastewater treatment (denitrification)
520 05 Ethanol, neutral, dehydrated, technically less than 500 ppm water min. 99,9 %vol. Chemical industry, printing inks and lacquers
Sort Name/Quality Alcohol level Denatured with
611 Ethanol, neutral, azeotropic, Surfin quality min. 96,0 %vol. Diethyl phthalate
613 Ethanol, neutral, dehydrated, surfin quality min. 99,8 %vol. Diethyl phthalate
631 Ethanol, neutral, azeotropic, DAB (German Pharmacopoeia) quality min. 96,0 %vol. Toluol
632 Ethanol, neutral, dehydrated, DAB (German pharmacopoeia) quality min. 99,8 %vol. Toluol
641 Ethanol, neutral, azeotropic, technical min. 96,0 %vol. VM 62
642 Ethanol, neutral, dehydrated, technical min. 99,8 %vol. VM 62
7410 Ethanol, neutral, azeotropic, technical min. 96,0 %vol. VM 62 and Denatoniumbenzoat
7420 Ethanol, neutral, dehydrated, technical min. 99,8 %vol. VM 62 and Denatoniumbenzoat
7710 Ethanol, neutral, azeotropic, DAB (German Pharmacopoeia) quality min. 96,0 %vol. Cyclohexane
7720 Ethanol, neutral, dehydrated, DAB (German pharmacopoeia) quality min. 99,8 %vol. Cyclohexane
7810 Ethanol, neutral, azeotropic, DAB (German Pharmacopoeia) quality min. 96,0 %vol. Ethyl acetate, Isopropyl acetate
7820 Ethanol, neutral, dehydrated, DAB (German pharmacopoeia) quality min. 99,8 %vol. Ethyl acetate, Isopropyl acetate
8410 Ethanol, neutral, azeotropic, technical min. 96,0 %vol. VM 62 and Ethyl acetate
8420 Ethanol, neutral, dehydrated, technical min. 99,8 %vol. VM 62 and Ethyl acetate
Sort Name/Quality Alcohol level Denatured with
7310 Ethanol, neutral, azeotropic, technical min. 96,0 %vol. VM 62 and Denatoniumbenzoat
7320 Ethanol, neutral, dehydrated, technical min. 99,8 %vol. VM 62 and Denatoniumbenzoat

According to biocide. the Biocide Regulation a chemical that is used in pest control in various areas. They are considered safe for human health.

Alcohol, especially ethyl alcohol, is widely used as a biocide due to its excellent disinfectant and germicidal effects. It is generally used in the field of skin and surface disinfection in the home and in the medical and veterinary fields. In the Biocide Regulation, it is therefore listed under substance group 1 (“Disinfectant”) of the biocidal products (Annex V to Directive 98/8 / EC).

From September 1st, the new Biocide Regulation (EU) No. 528/2012 applies and replaces the previous Directive 98/8 EC. According to the regulation, the active substances of a biocidal product must be included in the list of active substances in the annex to the regulation. The manufacturing and marketing companies receive the approval of an active substance by submitting a dossier to the ECHA (European Chemicals Agency).

The admission requirements in Germany are checked by the Federal Institute for Occupational Safety and Health (BAuA).

After successful submission of the dossiers with ethanol (EC No 200-578-6, CAS: 64-17-5), KWST is included in the list in accordance with Article 95 added and thus still authorized to sell the active ingredient ethanol as a biocide.

echa.europa.eu/de/information-on-chemicals/active-substance-suppliers

Further useful information on the subject of biocides can be found on the ECHA and the European Commission website:

ec.europa.eu/environment/chemicals/biocides/index_en.htm

echa.europa.eu/de/regulations/biocidal-products-regulation.

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