Agent Name

3-Bromo-1-chloro-5,5-dimethylhydantoin

CAS Number

126-06-7

Formula

C5-H6-Br-Cl-N2-O2

Major Category

Other Uses

Synonyms

2,4-Imidazolidinedione, 3-bromo-1-chloro-5,5-dimethyl-; Hydantoin, 3-bromo-1-chloro-5,5-dimethyl-; 3-Bromo-1-chloro-5,5-dimethylimidazolidine-2,4-dione; 3-Bromo-1-chloro-5,5-dimethyl-2,4-imidazolidinedione; [ChemIDplus] UN3085

Category

Biocides/Disinfectants

Description

White solid; [HSDB]

Sources/Uses

Used as a germicide and fungicide in water treatment, a disinfectant, a halogenating agent, an ionic type catalyst, and a selective oxidant; [HSDB]

Comments

Severe irritant when tested in rabbit eye; Causes somnolence and dyspnea in lethal-dose inhalation studies of rats; [RTECS] Severely irritating to skin and eyes; Emergency treatment: "irritants"; [HSDB] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis and pulmonary edema; [MSDSonline]

Exposure Assessment
Vapor Pressure

6.6E-6 mm Hg

Lethal Concentration

LC50 (rat) = 1,880 mg/m3/4h

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Oxidizing solid, corrosive, n.o.s."

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: