methyl bromide

methyl

the monovalent radical, −CH₃.

---

methyl alcohol

see methyl alcohol.

methyl bromide

a soil and grain fumigant. Poisoning by this compound causes incoordination and somnolence. Called also bromoethane.

methyl carbamate

see propoxur.

methyl demeton

an organophosphorus insecticide. Called also methyl systox, oxydemeton-methyl.

methyl harmane (3-methyl)

carboline toxin found in plants.

methyl hydroxybenzoate

see methylparaben.

methyl p-hydroxybenzoate

a sex pheromone in the vaginal secretions of the bitch in estrus; it stimulates mounting behavior in dogs.

methyl orange

an orange-yellow aniline dye, used as an indicator with a pH range of 3.2-4.4 and a color change from pink to yellow.

methyl parathion

a very toxic organophosphorus insecticide.

methyl red test

a biochemical test for identification of enterobacteria.

methyl salicylate

a natural or synthetic wintergreen oil, used as a topical analgesic and as a clearing agent when mounting parasites. Called also oil of sweet birch.

methyl systox

see methyl demeton (above).

---

methyl bromide

Toxicology An insecticide and rodenticide, which is a volatile fumigant 3-fold denser than air and absorbed through skin, producing narcosis, pulmonary edema, renal tubule damage, jacksonian convulsions, CNS depression, peripheral neuropathy; permanent neurologic sequelae may follow prolonged exposure