Thiodicarb

Synonyms

3,7,9,13-Tetramethyl-5,11-dioxa-2,8,14-trithia-4,7,9,12-tetra-azapentadeca-3,12-diene-6,10-dione; Bismethomyl thioether; CGA 45156; Dicarbasulf; Dicarbosulf; Dimethyl N,N'-(thiobis((methylimino)carbonyloxy))bis(ethanimidothioate) (9CI); Dimethyl-N,N'-(thiobis(((methylimino)carbonyl)oxy))bis(ethanimidothioate); Ethanimidothioic acid, N,N'-(thiobis((methylimino)carbonyloxy))bis-, dimethyl ester (9CI); Larvin; Larvin thio dicarb insecticide ovicide; Lepicron; Liushuanwei; N,N'-(Thiobis((methylimino)carbonyloxy))bisethanimidothioic acid dimethyl ester; N,N'-Bis(1-methylthioacetaldehyde O-(N-methylcarbamoyl)oxime)sulfide; Nivral; Semevin; UC 51762; UC 51769; UC 80502; [ChemIDplus]

Category

Carbamate Insecticides

Description

Colorless or white to light tan solid; Odorless or a mild sulfur odor; [HSDB] Powder; [MSDSonline]

Sources/Uses

Used as a carbamate insecticide and molluscicide; Used mainly on cotton, sweet corn, and soy beans; An ovicide against cotton bollworms and budworms; [EPA REDs]

Comments

Thiodicarb is a dermal sensitizer and a confirmed animal carcinogen; [ACGIH, 2020] May cause irritation; [MSDSonline] See "CARBAMATE INSECTICIDES."

Reference Link #1

Biomedical References

Acetylcholinesterase activity in red blood cells = 70% of individual's baseline; Butylcholinesterase activity in serum or plasma = 60% of individual's baseline; Sample at end of shift; [TLVs and BEIs]

0.1 mg/m3, inhalable fraction and vapor

7E-05 mm Hg

LC50 (rat) = 220 mg/m3/4h

Reference Link #2

Yes

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Confirmed Animal

Other Poison

Carbamate

Diseases

Occupational diseases associated with exposure to this agent:

• Contact dermatitis, allergic
• Organophosphates & carbamates, acute poisoning

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)