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  2. Pesticide Registration

EPA’s Registered Antimicrobial Products Effective Against Clostridioides difficile (C. diff) Spores [List K]

On this page:
  • Disinfectant Products for Claims Against Clostridioides difficile spores
  • Products on EPA’s Registered Antimicrobial Products Effective Against Clostridioides difficile (C. diff) Spores [List K]
  • How to Use Products on this List Effectively
  • How to Check if a Product is on EPA’s Registered Antimicrobial Products Effective Against Clostridioides difficile (C. diff) Spores [List K]
  • Additional Information

Disinfectant Products for Claims Against Clostridioides difficile spores

EPA has reviewed required laboratory testing data demonstrating that these products kill Clostridioides difficile (C. diff) spores.

Products on EPA’s Registered Antimicrobial Products Effective Against Clostridioides difficile (C. diff) Spores [List K]

  • Clostridioides difficile (C. diff) is a spore forming bacteria that can cause diarrhea and colitis. The products on the list below will kill C. diff.
  • This organism is spread via fecal oral transmission.
  • Please see CDC’s website for more information.

How to Use Products on this List Effectively

A product’s effectiveness can change depending on how you use it. Disinfectants may have different directions for different pathogens. Follow the label directions for Clostridioides difficile (C. diff) carefully including the contact time.

  • The contact time is the time the product must be applied to the surface for it to be effective.

How to Check if a Product is on EPA’s Registered Antimicrobial Products Effective Against Clostridioides difficile (C. diff) Spores [List K]

  • First, find the EPA registration number on the product label. Look for “EPA Reg. No.” followed by two, as described on the List Landing Page.
  • Supplemental distributer products are not included in the lists. For example, if EPA Reg. No. 12345-12 is on the lists, you can buy EPA Reg. No. 12345-12-2567 and know you’re getting an equivalent product.
  • On the product list, search the registration number exactly as it appears on the label.
  • Once you see the results on the product list, make sure to check that the product's label includes directions for use as a disinfectant product against Clostridioides difficile under Use Directions for Disinfection.
    • Regardless of whether you are using a primary registration product or a supplemental distributor product, always check the label has the corresponding directions for use for the relevant pathogen.

Additional Information

  • Disinfectants List General Information
  • EPA Product Performance Test Guideline for Disinfectants
  • CDC - Clostridioides difficile Infection Fact Sheet

EPA’s Registered Antimicrobial Products Effective Against Clostridioides difficile (C. diff) Spores [List K]
Registration Number Active Ingredients/s Product Name Company Contact time in Minutes
(time surface should remain wet)
Formulation Type Surface Types Use sites
(Hospital, Institutional, Residential)
8383-16 Hydrogen Peroxide; Ethaneperoxoic acid PeridoxRTU Burst Pouch Disinfectant Wipes Contec, Inc. 3 Ready-to-use/Wipe Hard Nonporous (HN) Hospital; Institutional
58300-27 Hydrogen Peroxide; Ethaneperoxoic acid HyCide Conseal International, Inc 2 Dilutable Hard Nonporous (HN) Hospital; Institutional
1677-193 Peroxyacetic acid (Peracetic acid); Hydrogen peroxide AdvaCare 120 Sanitizer/Sour Ecolab Inc 6 Dilutable Porous (P) (laundry) Hospital; Institutional
67619-30 Sodium Hypochlorite GNR Clorox 1.5 Ready-to-use Hard Nonporous (HN) Hospital; Institutional; Residential
10324-214 Hydrogen Peroxide and Paracetic Acid Maguard 5626 Mason Chemical Company 2 Dilutable Hard Nonporous (HN) Institutional; Residential
12120-4 Hydrogen Peroxide; Peroxyacetic Acid (Peracetic Acid) SSS Sporicidal Disinfectant Cleaner Standard Sanitation Systems, Inc. 2 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
1677-235 Sodium Hypochlorite Bath and TILE Disinfecting Cleaner Ecolab Inc. 3 Ready-to-use Hard Nonporous (HN) Hospital; Institutional
37549-1 Sodium Hypochlorite Micro-Kill Bleach Germicidal Bleach Wipes Medline Industries, LP 3 Ready-to-use/Wipe Hard Nonporous (HN) Institutional
46781-14 Sodium Hypochlorite CaviWipes Bleach Metrex Research 3 Ready-to-use/Wipe Hard Nonporous (HN) Hospital; Institutional
46781-15 Sodium Hypochlorite Cavicide Bleach Metrex Research 3 Ready-to-use Hard Nonporous (HN) Hospital; Institutional
56392-7 Sodium Hypochlorite Dispatch Hospital Cleaner Disinfectant with Bleach Clorox Professional Products Company 3 Ready-to-use Hard Nonporous (HN) Hospital; Institutional
56392-8 Sodium Hypochlorite Dispatch Hospital Cleaner Disinfectant Towels with Bleach Clorox Professional Products Company c/o 3 Ready-to-use/Wipe Hard Nonporous (HN) Hospital; Institutional
67619-12 Sodium Hypochlorite CPPC Tsunami Clorox Professional Products Company 3 Ready-to-use/Wipe Hard Nonporous (HN) Hospital
69687-1 Sodium Hypochlorite Micro-Kill Bleach Germicidal Bleach Wipes Medline Industries Inc. 3 Ready-to-use/Wipe Hard Nonporous (HN) Hospital; Institutional
87518-6 Sodium Hypochlorite Sporex HSP USA, LLC 3 Ready-to-use Hard Nonporous (HN)  
8383-12 Hydrogen Peroxide; Peroxyacetic Acid (Peracetic Acid) Peridox Contec, Inc. 3 Ready-to-use Hard Nonporous (HN) Hospital; Institutional; Residential
88089-4 Hydrogen Peroxide; Peroxyacetic Acid (Peracetic Acid) Peridox RTU Contec, Inc. 3 Ready-to-use Hard Nonporous (HN) Hospital; Institutional; Residential
9402-13 Hydrogen Peroxide and Paracetic Acid Kimtech One-Step Germicidal Wipe Kimberly-Clark Global Sales, LLC 3 Ready-to-use/Wipe Hard Nonporous (HN) Hospital; Institutional; Residential
70590-1 Sodium Hypochlorite Hype-Wipe Current Technologies Inc 4 Ready-to-use/Wipe Hard Nonporous (HN) Hospital; Institutional; Residential
70627-75 Sodium Hypochlorite Avert Sporicidal Disinfectant Cleaner Wipes Diversey, Inc. 4 Ready-to-use/Wipe Hard Nonporous (HN) Hospital; Institutional
75266-1 Sodium Hypochlorite Activate 5.25% Institutional Bleach Deardorff Fitzsimmons Corporation 4 Dilutable Hard Nonporous (HN) Hospital; Institutional
9480-8 Sodium Hypochlorite PDI Sani-Cloth Bleach Wipes Professional Disposables International 4 Ready-to-use/Wipe Hard Nonporous (HN) Hospital; Institutional; Residential
11346-3 Sodium Hypochlorite Clorox HW The Clorox Company 5 Ready-to-use/Wipe Hard Nonporous (HN) Institutional
1677-129 Hydrogen Peroxide; Peroxyacetic Acid (Peracetic Acid) Oxonia Active Ecolab Inc. 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
1677-237 Hydrogen Peroxide; Peroxyacetic Acid (Peracetic Acid); Caprylic Acid Oxycide Daily Disinfectant Cleaner Ecolab Inc. 5 Ready-to-use Hard Nonporous (HN) Hospital; Institutional; Residential
37549-2 Sodium Hypochlorite Micro-Kill Bleach Germicidal Bleach Solution Medline Industries Inc. 5 Ready-to-use Hard Nonporous (HN) Hospital; Institutional
5813-100 Sodium Hypochlorite Clorox Regular Bleach1 The Clorox Company 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
65787-2 Sodium Hypochlorite Bleach-Wipe Angelini Pharma Inc. 5 Ready-to-use/Wipe Hard Nonporous (HN) Hospital; Institutional; Residential
67619-27 Sodium Hypochlorite Buster Clorox Professional Products Company 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
67619-32 Sodium Hypochlorite PPD Puma Clorox Professional Products Company 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
67619-40 Sodium Hypochlorite TNT Clorox Professional Products Company 5 Ready-to-use Hard Nonporous (HN) Hospital; Institutional; Residential
70271-24 Sodium Hypochlorite Tecumseh B KIK International, Inc. 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
70271-25 Sodium Hypochlorite Osceola 160C KIK International, Inc. 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
70271-26 Sodium Hypochlorite Massasoit A KIK International, Inc. 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
70271-27 Sodium Hypochlorite Crockett KIK International, Inc. 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
70271-28 Sodium Hypochlorite Tubbs KIK International, Inc. 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
70590-2 Sodium Hypochlorite Bleach-Rite Disinfecting Spray with Bleach Current Technologies Inc 5 Ready-to-use Hard Nonporous (HN) Hospital; Institutional; Residential
777-83 Sodium Hypochlorite Lysol Brand Disinfectant Bleach Plus Reckitt Benckiser 5 Ready-to-use Hard Nonporous (HN) Hospital; Institutional; Residential
9480-14 Hydrogen Peroxide Project Flash Spray Professional Disposables International 5 Ready-to-use Hard Nonporous (HN) Hospital; Institutional; Residential
9480-16 Hydrogen Peroxide Project Flash Wipes Professional Disposables International 5 Ready-to-use/Wipe Hard Nonporous (HN) Hospital; Institutional
90150-2 Hydrogen Peroxide Binary Ionization Technology (BIT) Solution TOMI Enviromental Solutions, Inc. 7 Mist Hard Nonporous (HN) Hospital; Institutional
5741-28 Sodium Hypochlorite Tumult Spartan Chemical Company, Inc. 8 Ready-to-use Hard Nonporous (HN) Hospital; Institutional
1672-65 Sodium Hypochlorite Austin A-1 Ultra Disinfecting Bleach James Austin Company 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
1672-67 Sodium Hypochlorite Austin A-1 Concentrated Bleach 8.25% James Austin Company 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
1677-226 Hydrogen Peroxide; Peroxyacetic Acid (Peracetic Acid); Caprylic Acid Virasept Ecolab Inc. 10 Ready-to-use Hard Nonporous (HN) Hospital; Institutional
3573-77 Sodium Hypochlorite CSP-3002-3 The Proctor & Gamble Company 10 Ready-to-use Hard Nonporous (HN) Hospital; Institutional; Residential
67619-8 Sodium Hypochlorite CPPC Ultra Bleach 2 Clorox Professional Products co 10 Dilutable Hard Nonporous (HN) Hospital
70271-13 Sodium Hypochlorite Pure Bright Germicidal Ultra Bleach KIK International, Inc. 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
70271-20 Sodium Hypochlorite Pure Bright Germicidal 160 Bleach KIK International, Inc. 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
70271-21 Sodium Hypochlorite Geronimo 160A KIK International, Inc. 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
70271-22 Sodium Hypochlorite MetaComet 160B KIK International, Inc. 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
70271-23 Sodium Hypochlorite Wampatuck C KIK International, Inc. 10 Dilutable Hard Nonporous (HN) Hospital; Institutional
70799-13 Sodium Hypochlorite State Chlorine Sanitizer State Institutional Products 10 Dilutable Hard Nonporous (HN) Institutional
71847-6 Sodium dichloro-s-triazinetrione Klorsept Medentech LTD. 10 Dilutable Hard Nonporous (HN) Institutional
71847-7 Sodium dichloro-s-triazinetrione Klorkleen 2 Medentech LTD. 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
84526-6 Hydrogen Peroxide; Silver Nitrate Halomist Halosil International, Inc. 10 Ready-to-use Hard Nonporous (HN) Hospital; Institutional; Residential
91386-1 Sodium Chloride Salt Cartridge for Giselle Industrie De Nora, S.P.A. 10 Generator Hard Nonporous (HN) Hospital; Institutional; Residential
91582-1 Hypochlorous Acid EcaFlo Anolyte (Danolyte - ABN) Danolyte Global, Inc 10 Ready-to-use Hard Nonporous (HN) Hospital; Institutional
92108-1 Hypochlorous Acid Excelyte Vet Paradigm Convergency Techologies Corp 10 Generator Hard Nonporous (HN) Hospital; Institutional
92449-1 Hypochlorous Acid Annihilyte Annihilare Medical Systems, Inc. 10 Ready-to-use Hard Nonporous (HN) Hospital; Institutional
93324-1 Hydrogen Peroxide Curoxide Curis System, LLC 10 Fogging Hard Nonporous (HN) Hospital; Institutional
96865-1 Hypochlorous Acid D.O.D (Disinfectant on Demand) Service Wing Organic Solutions, LLC. 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
91628-5 Hydrogen peroxide; Peroxyacetic acid (Peracetic acid) Oxydiff Biosan LLC 2 Dilutable Hard Nonporous (HN) Hospital; Institutional
66171-103 Peroxyacetic acid (Peracetic acid); Hydrogen peroxide Peraside A Peroxyacetic Acid-Based Sanitizer/Disinfectant Preserve International 2 Dilutable Hard Nonporous (HN) Hospital; Institutional
56392-10 Sodium hypochlorite Caltech Swat 200 9B Clorox Professional Products Company 2 Ready-to-use Hard Nonporous (HN); Food Contact Post-Rinse Required (FCR) Hospital; Institutional
8383-14 Hydrogen Peroxide and Paracetic Acid Kimtech One-Step Germicidal Wipe Kimberly-Clark Global Sales, LLC 3 Ready-to-use/Wipe Hard Nonporous (HN) Hospital; Institutional; Residential
37549-1 Sodium Hypochlorite Micro-Kill Bleach Germicidal Bleach Wipes Medline Industries Inc. 3 Ready-to-use/Wipe Hard Nonporous (HN) Hospital; Institutional; Residential
8383-13 Hydrogen Peroxide and Paracetic Acid Peridox RTU Contec, Inc. 3 Ready-to-use Hard Nonporous (HN) Hospital; Institutional
67619-35 Peroxyacetic acid (Peracetic acid); Hydrogen peroxide Blacksmith Clorox Professional Products Company 4 Ready-to-use Hard Nonporous (HN) Hospital; Institutional
70627-72 Sodium hypochlorite Avert Sporicidal Disinfectant Cleaner Diversey Inc 4 Dilutable Hard Nonporous (HN) Hospital; Institutional
1677-129 Hydrogen peroxide; Peroxyacetic acid (Peracetic acid) Oxonia Active Ecolab Inc 5 Dilutable Hard Nonporous (HN) Hospital; Institutional
5813-114 Sodium hypochlorite Clorox Performance Bleach1 The Clorox Company 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
5813-102 Sodium hypochlorite CGB1 The Clorox Company 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
5813-111 Sodium hypochlorite Clorox Disinfecting Bleach2 The Clorox Company 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
67619-26 Sodium Hypochlorite Boris Clorox Professional Products Company 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
5813-120 Sodium hypochlorite CRB The Clorox Company 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
5813-121 Sodium hypochlorite CRB I The Clorox Company 5 Dilutable Hard Nonporous (HN); Food Contact Post-Rinse Required (FCR) Hospital; Institutional; Residential
11346-2 Sodium Hypochlorite Clorox HL The Clorox Company 5 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
65402-13 Hydrogen peroxide; Peroxyacetic acid (Peracetic acid) VigorOx CR PeroxyChem LLC 5 Dilutable Hard Nonporous (HN) Institutional
5813-103 Sodium hypochlorite CGB3 The Clorox Company 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
5813-104 Sodium hypochlorite CGB4 The Clorox Company 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
67619-28 Sodium Hypochlorite Milo Clorox Professional Products Company 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
93908-1 Hypochlorous acid Envirolyte O & G Aqua Engineered Solution Inc 10 Ready-to-use Hard Nonporous (HN); Food Contact Post-Rinse Required (FCR) Hospital; Institutional; Residential
97101-2 Hypochlorous acid Simple Elements Sapphire Services LLC 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
97145-1 Hypochlorous acid BioBlast Disinfectant Bio Blasting LLC 10 Ready-to-use Hard Nonporous (HN); Food Contact Post-Rinse Required (FCR) Hospital; Institutional; Residential
1672-65 Sodium hypochlorite Austin A-1 Ultra Disinfecting Bleach James Austin Company 10 Dilutable Hard Nonporous (HN) Hospital; Institutional; Residential
69470-37 Sodium dichloroisocyanurate Clearon Bleach Tablets Clearon Corporation 10 Solid Hard Nonporous (HN); Food Contact Post-Rinse Required (FCR) Hospital; Institutional; Residential
1677-254 Sodium hypochlorite XHC-E Ecolab Inc 10 Ready-to-use Hard Nonporous (HN) Hospital; Institutional
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on February 3, 2025
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