Agent Name

4,4-Dimethyloxazolidine

CAS Number

51200-87-4

Formula

C5-H11-N-O

Major Category

Other Uses

Synonyms

Dimethyl oxazolidine; Oxadine A; Oxazolidine, 4,4-dimethyl-; 4,4-Dimethyl-1,3-oxazolidine; Oxazolidine A; [ChemIDplus]

Category

Biocides/Disinfectants

Description

Colorless to slightly yellow liquid with a fishy odor; End-use formulations are soluble concentrate and liquid; [Reference #1] Pungent odor; [Dow MSDS]

Sources/Uses

Used as antimicrobial for control of slime forming bacteria and fungi in oil recovery drilling muds and secondary injection water, packer fluids, metalworking cutting fluids, adhesives, resin emulsions, latex paints, wet-end additives, and industrial processing chemicals; [Reference #1]

Comments

A skin and severe eye irritant; Not sensitizing to guinea pig skin; Necrotic patches observed in 13-week dermal study of rats; Systemic LOAEL >100 mg/kg/day; No developmental toxicity observed in dermal study of rabbits; Mostly negative results in mutagenicity tests and not expected to be a mutagenic hazard from normal use; [Reference #1] Combustible liquid and vapor; Vapor poses an explosion hazard; A skin irritant; Causes burns to eyes; Harmful by inhalation; No allergic skin reactions observed in tests on humans; No birth defects or other developmental effects observed in experimental animals at doses maternally toxic; [Dow MSDS]

Reference Link

EPA Pesticide Chemical Search

Exposure Assessment
Vapor Pressure

22.3 mm Hg

Lethal Concentration

LC50 (rat) = 1,100 mg/m3

Links to Other NLM Databases
Toxicity Information

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Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure: