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Product Name: Cinmethylin
Synonyms: 1-Methyl-4-(1-methylethyl)-2-((2-methylphenyl)methoxy)-7-oxabicyclo[2.2.1]heptane;CINMETHYLIN;(+-)-exo-1-methyl-4-(1-methylethyl)-2-((2-methylphenyl)methoxy)-7-oxabicyclo;(2.2.1)heptane;1-methyl-4-(1-methylethyl)-2-[(2-methylphenyl)methoxy]-exo-(±)-7-Oxabicyclo[2.2.1]heptane;7-oxabicyclo(2.2.1)heptane,1-methyl-4-(1-methylethyl)-2-((2-methylphenyl)metho;exo-(±)-1-methyl-4-(1-methyl ethyl)-2-((2-methyl phenyl)methoxy)-7-oxabicyclo(2,2,1)heptane;Cinmethylin mixture of isomers PESTANAL
CAS: 87818-31-3
MF: C18H26O2
MW: 274.4
EINECS: 402-410-9
Product Categories: Herbicide;Agro-Products;Aromatics;Heterocycles
Mol File: 87818-31-3.mol
Cinmethylin Structure
Cinmethylin Chemical Properties
Melting point  25°C
Boiling point  313°C
density  d20 1015 kg/m3
refractive index  1.4800 (estimate)
Fp  147 °C
storage temp.  0-6°C
form  neat
CAS DataBase Reference 87818-31-3(CAS DataBase Reference)
EPA Substance Registry System Cinmethylin (87818-31-3)
Safety Information
Hazard Codes  Xn,N
Risk Statements  20-51/53
Safety Statements  23-61-22
RIDADR  UN3082 9/PG 3
WGK Germany  3
RTECS  RN8762000
HS Code  29321900
Toxicity LD50 orally in rats: 4.5 g/kg; LD50 dermally in rabbits: >2 g/kg (Lee)
MSDS Information
Cinmethylin Usage And Synthesis
Uses Cinmethylin is used as pre-emergence grass herbicide. Cinmethylin is member of the cineole eucalyptol family.
Uses Herbicide.
Metabolic pathway When rats are administered 14C-cinmethylin orally, the major route of its elimination is via urinary excretion. A complex degradation pattern of cinmethylin is observed and the metabolic pathways involve hydroxylation, oxidation at the benzyl and cineol portions, conjugation with glucuronic acid and glycine, and cleavage of the ether linkage. When rats are administered 14C-cinmethylin by stomach incubation, two minor metabolites are identified as o- (acetoxymethyl)benzoic acid and 9-(acetoxymethyl)-a- carboxycinmethylin.
Cinmethylin Preparation Products And Raw materials
Raw materials Nitrogen-->p-Toluenesulfonic acid-->Sodium acetate-->Lithium-->Glutaric acid-->tert-Butyl hydroperoxide-->1,3-Diaminopropane-->1,8-Cineole-->ETHYLENE GLYCOL-->1-Heptyne-->Terpin