See All ProductsThiramActionFungicideUseReduces loss from seed decay, damping off and blight. As fungicide, for diseases of apples, celery, onions, peaches, strawberries, tomatoes, and large brown patch snow mold and dollar spot on turf.FormulationDust, flowable, wettable powder, water dispersible granules, and water suspension.IdentificationCommon NamesThiram (BSI, ISO, ISO-F); Thirame (ISO-F); Thiuram (JMAF); TMTD (USSR)CAS Code137-26-8Other Code NumbersEINECS 205-286-2; ENT 987; SHA 079801ChemistryCompositionsBis(dimethylthiocarbamoyl) disulfide (IUPAC); Tetramethylthioperoxydicarbonic diamide ([[(CH3)2N]C(S)]2S2) (CAS)Molecular FormulaC6H12N2S4Mode of Action / Resistance ManagementChemical Groupdithio-carbamates and relativesMode of Actionmulti-site contact activityAction GroupFRAC Code M3Target Sitemulti-site contact activityRisk NoteLow riskEnvironmental GuidelinesHazardFish: LC50 (96 h) 0.13 mg/l (bluegill sunfish), 0.046 mg/l (rainbow trout). Birds: Oral LD50 673 mg/kg (male ring-necked pheasants), >2800 mg/kg (mallard ducks), >100 mg/kg (starlings), 100 mg/kg (redwing blackbirds); Dietary LC50 (5 d) >5000 ppm (ring-necked pheasants, mallard ducks, Japanese quail), >3950 ppm (bobwhite quail). Bees: LD50 (oran and contact) >100 µg/bee.Safety GuidelinesSignal WordCAUTIONToxicity ClassIIIToxicity(Rat): Oral LD50 3700 mg/kg (male), 1800 mg/kg (female); Dermal LD50 >2000 mg/kg; Inhalation LC50 (4 h) 5.04 mg/l air (male), 3.46 mg/l air (female).Handling/Storage CautionUse with adequate ventilation, avoid breathing dust. Avoid contact with eyes, skin or clothing, wash thoroughly after handling. Contact may cause allergic reaction.Spill Control/CleanupSolid spillage should be picked up with an industrial vacuum cleaner and disposed of in accordance with local regulations.Protective ClothingChemical-resistant headgear for overhead exposure. Long-sleeved shirt and long pants. Chemical-resistant gloves. Protective eyewear. Shoes plus socks.Emergency GuidelinesFirst AidGet medical aid.