Pesticide products · United States

5% BTC 2125(R)M SWIMMING POOL ALGAECIDE

1839-90

5% BTC 2125(R)M SWIMMING POOL ALGAECIDE · pesticide product · Alkyl* dimethyl benzyl ammonium chloride *(60%C14, 30%C16, 5%C18, 5%C12) 2.5%, Alkyl* dimethyl ethylbenzyl ammonium chloride *(68%C12, 32%C14) 2.5% · federally registered in United States. Registrant: STEPAN COMPANY.

Product details

EPA registration number: 1839-90
Registrant: STEPAN COMPANY
Active ingredients: Alkyl* dimethyl benzyl ammonium chloride *(60%C14, 30%C16, 5%C18, 5%C12) 2.5%, Alkyl* dimethyl ethylbenzyl ammonium chloride *(68%C12, 32%C14) 2.5%
Parallel trade: no

Source and data date

Source: U.S. Environmental Protection Agency (EPA), Office of Pesticide Programs, Pesticide Product Information System (PPIS) and Pesticide Product Label System (PPLS), data as of 2026-10-26 (PPIS) / 2026-10-28 (PPLS). EPA-produced data, public domain. Data as of: 10/29/2026.

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