Isooxadiazon

Description

Isooxadiazon · CAS 81777-89-1 · C12H14ClNO2. UNII 570RAC03NF. Boiling Point: 275 °C; Boiling Point: 527 °F; Melting Point: 25 °C.

Identification

CAS Registry Number	81777-89-1
PubChem CID	54778
Molecular formula	C12H14ClNO2
IUPAC name	2-[(2-chlorophenyl)methyl]-4,4-dimethyl-1,2-oxazolidin-3-one
UNII (FDA)	570RAC03NF

Computed Descriptors

Molecular Weight	239.70
XLogP3	2.5
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	239.0713064
Monoisotopic Mass	239.0713064
Topological Polar Surface Area	29.5
Heavy Atom Count	16
Formal Charge	0

Physical & Chemical Properties

Boiling Point	275 °C
Boiling Point	527 °F
Melting Point	25 °C
Melting Point	77 °F
Flash Point	106-109 °F
Solubility	In water, 1,100 ppm at 25 °C
Density	1.192 at 25 °C
Vapor Density	1.192 at 77 °F
Vapor Pressure	0.00014 [mmHg]
Vapor Pressure	1.4X10-4 mm Hg at 25 °C

Physical description & handling notes

• Clear colorless to light brown viscous liquid; mp = 25 deg C; [HSDB]
• Clear colorless to light brown viscous liquid.
• Clear colorless to light brown viscous liquid
• 4 /emulsifiable concentrates/: 106-109 °F /(41.11-42.78 °C)/ (Closed cup)
• 70-75 °C (closed cup) /Formulation not specified/
• Readily soluble in acetonitrile, hexane, dioxane, xylene

GHS Hazard Classification

Reported hazard statements	H302, H332, H400, H410, H312 (43.1%), H315 (17.5%), H319 (17.5%), H411 (15.4%)

Documented Uses

• Used as herbicide for control of annual grasses and broad-leaved weeds in vegetables, cotton, melons, rice, soy beans, sugarcane, and tobacco; Also used for weed control in fallow wheat fields; [HSDB]
• Herbicide; For annual grasses, broadleaf weeds in beans (succulent), cabbage, cotton, cucumbers, melons, peas, pepers, rice, soy beans, squash, sugarcane, sweet potato, tobacco, tuberous and corn vegetables; weeds in chemical fallow wheat fields.
• Preparation: J. H. Chang, BE 889040; idem, US 4405357 (1982, 1983 both to FMC)
• Foliar contact or vapors may cause visual symptoms of chlorosis to nearby sensitive plants.

Synonyms

Clomazone; 81777-89-1; Dimethazone; 2-(2-Chlorobenzyl)-4,4-dimethylisoxazolidin-3-one; Command; Gamit; DTXSID1032355; FMC 57020; 2-(2-Chlorobenzyl)-4,4-dimethyl-1,2-oxazolidin-3-one; 570RAC03NF; 2-[(2-chlorophenyl)methyl]-4,4-dimethyl-1,2-oxazolidin-3-one; FMC57020; 2-((2-Chlorophenyl)methyl)-4,4-dimethyl-3-isoxazolidinone; CHEBI:3751; DTXCID9012355; 2-[(2-chlorophenyl)methyl]-4,4-dimethyl-isoxazolidin-3-one

Frequently Asked Questions

What are the CAS number and molecular formula of Isooxadiazon?

CAS 81777-89-1; molecular formula C12H14ClNO2; molecular weight — g/mol.

What other names is Isooxadiazon known by?

Clomazone, 81777-89-1, Dimethazone, 2-(2-Chlorobenzyl)-4,4-dimethylisoxazolidin-3-one, Command, Gamit.

Is Isooxadiazon classified as hazardous?

Hazard statements reported: H302, H332, H400, H410, H312.

What are the key physical properties of Isooxadiazon?

Boiling Point: 275 °C; Boiling Point: 527 °F; Melting Point: 25 °C; Melting Point: 77 °F.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.