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Source title: Another breakthrough The Chinese Center for Disease Control and Prevention successfully developed two formulations of low-temperature disinfectants containing chlorine
According to the website of the China Center for Disease Control and Prevention, after more than five months of repeated exploration and research, the China Center for Disease Control and Prevention selected two low-temperature disinfectant formulations from dozens of formulations and completed the evaluation. of the disinfection effect in the laboratory and on the site. In January 2021, pilot applications were launched urgently in Suifenhe City, Heilongjiang and Qingdao City, Shandong. The results showed that the developed low-temperature disinfectant has a simple production process, low raw material cost, reliable low-temperature disinfection effect, and can effectively solve the low-temperature environment in the northern Alpine regions and sterilization of packaging. exterior of frozen products.
On June 17, 2020, in order to further improve the current epidemic prevention and control work and solve the problem of low-temperature disinfection in my country, the China Centers for Disease Control and Prevention initiated a research on new technologies for low temperature disinfection.
Relevant information for the two chlorine-containing low-temperature disinfectants is now advertised as follows:
1. Composition and pharmaceutical form low temperature disinfectant
(1) -18 ℃ low temperature disinfectant
1. Main Ingredients: including sodium dichloroisocyanurate, calcium chloride and ethanol. When used on site, the effective concentration of chlorine in the low-temperature sanitizer at -18 ° C is 0.3% (3000 mg / L), the content of anhydrous calcium chloride is 25%, and the content of ethanol is 9.5 %.
2. Dosage form: binary container, powder and liquid. Agent A is sodium dichloroisocyanurate powder and Agent B is a mixed solution of calcium chloride and ethanol.
(2) -40 ℃ low temperature disinfectant
1. Main Ingredients: including sodium dichloroisocyanurate, calcium chloride, ethanol, ethylene glycol, and benzalkonium chloride. When used on site, the effective concentration of chlorine in -40 ℃ low temperature disinfectant is 0.5% (5000mg / L), the content of anhydrous calcium chloride is 30%, ethanol 9.5%, ethylene glycol 9.9% and benzalkonium chloride 0.09%.
2. Dosage form: binary container, powder and liquid. Agent A is sodium dichloroisocyanurate powder; Agent B is a mixed solution of calcium chloride, ethanol, ethylene glycol, and benzalkonium chloride.
2. Scope and method of low temperature sanitizer
(1) Scope of use
-18 ℃ low temperature disinfectant is suitable for disinfection of low temperature environments of -18 ℃ and above and the surface of the outer packaging of goods; -40 ℃ low-temperature disinfectant is suitable for disinfection of low-temperature environments of -40 ℃ and above the surface of the outer packaging of goods.
(2) How to use
1. Spray disinfection: used with disinfection equipment, the spray volume is about 200-300ml / m2, to ensure that the low-temperature disinfectant fully covers the disinfection object, and the disinfection effect is 10 minutes .
2. Soak disinfection: directly put into low temperature disinfectant, fully immerse, disinfection effect for 10 minutes.
3. Disinfection with a cloth: Make sure that the low-temperature disinfectant covers the disinfected object in sufficient quantity and that the disinfection effect lasts for 10 minutes.
3. Production and quotation requirements
(1) Raw materials and the preparation process are the key to qualified production, strengthen quality control in the production process, and ensure the quality of raw materials. Strictly follow the requirements of the formula to ensure high quality and low price for low temperature disinfectants.
(2) During production, according to the ingredient list, first dissolve the calcium chloride in water, dissolve it completely and filter, then add ethanol (or ethanol, ethylene glycol, benzalkonium chloride), stir and mix well, filter to form agent B liquid. Dispense the sodium dichloroisocyanurate directly, which is powder A.
(3) Before the low-temperature disinfectant is put on the market, the product hygiene and safety assessment must be carried out in accordance with the relevant national requirements and filed.
