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Pilot Chemical

Pilot Chemical Adds EPA Emerging Viral Pathogen Claim to Eight Products

October 1, 2020

Pilot Chemical Corp. is pleased to announce that through its subsidiary Mason Chemical Company, it has received EPA acceptance to add an emerging viral pathogen claim to the labels of eight products from the company’s EPA-registered quaternary ammonium compound and active ingredient line, under its Maquat® and Maguard® brands.

Emerging viral pathogens are defined by the National Institute of Allergy and Infectious Diseases as pathogens “that have newly appeared in a population or have existed but are rapidly increasing in incidence or geographic range.” In the case of SARS-CoV-2, the product must have the emerging viral pathogen language on the label and be effective against a harder-to-kill virus than SARS-CoV-2.

“Meeting the EPA’s criteria for effectiveness against emerging viral pathogens enables our customers to make off-label claims that their products can fight the virus that causes COVID-19 and future threats that may emerge,” said Richard Rehg, Vice President of Commercial, Pilot Chemical Company. “Our team has been working hard to bring this to fruition and help our customers offer effective formulated products to meet rapidly changing market needs.”

This represents the first group of Pilot products submitted for emerging viral pathogen claims, with plans for additional future submittals.

Product Name EPA Registration Number Active Ingredient/s
MAQUAT 710-M 10324-117 Quaternary ammonium
MAQUAT 256-NHQ 10324-141 Quaternary ammonium
MAQUAT 64-NHQ 10324-154 Quaternary ammonium
MAQUAT 128-NHQ 10324-155 Quaternary ammonium
MAQUAT 32-NHQ 10324-157 Quaternary ammonium
MAQUAT 7.5-M 10324-81 Quaternary ammonium
MAQUAT 86-M 10324-85 Quaternary ammonium
MAGUARD 5626 10324-214 Peracetic Acid


To view the list of EPA-registered disinfectant products, visit

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