Agent Name

Sodium dichloroisocyanurate dihydrate

CAS Number

51580-86-0

Formula

C3-H-Cl2-N3-O3.Na.2H2-O

Major Category

Other Uses

Synonyms

1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3-dichloro-, sodium salt, dihydrate; Sodium dichloro-s-triazinetrione dihydrate; [ChemIDplus] NaDCC dihydrate; 1,3-Dichloro-1,3,5-triazine-2,4,6(1H,3H,5H)-trione, sodium salt, dihydrate; Triazine, 2,4,6(1H,3H,5H)-trione, 1,3-dichloro-, sodium salt, dihydrate; [JECFA] Dichloroisocyanuric acid sodium salt dihydrate; Troclosene sodium, dihydrate; [Sigma-Aldrich MSDS] UN2465

Category

Biocides/Disinfectants

Description

White hygroscopic solid with a mild odor of chlorine; [JECFA]

Sources/Uses

Used mainly as a disinfectant and algaecide for swimming pools and industrial water systems (i.e. cooling, air washer, heat exchange, and sewage systems); Also used for sanitizing and disinfecting food and non-food contact surfaces and sanitizing laundry; [Reference #1] Used as an antimicrobial for drinking water systems; [JECFA]

Comments

When dissolved in water, all chlorinated isocyanurates form hypochlorous acid, a weak acid and oxidizing agent; A severe eye and mild skin irritant; [Reference #1] An oxidizer that may intensify fire; A strong eye irritant; Harmful by ingestion; [Sigma-Aldrich MSDS] See "Sodium dichloroisocyanurate."

Reference Link

EPA Pesticide Chemical Search

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: