Carbaryl

Description

A carbamate compound used as a general purpose Insecticide. Carbaryl, sold under the name Sevin, was introduced by Union Carbide in 1958 in the U.S. It is a contact insecticide that works as a reverse cholinesterase inhibitor. It is stable to light and heat and may provide residual effectiveness for up to 4 months. Product information indicates the formulation contain solvents that may stain some materials such as rugs, drapes, and fabrics. The use of carbaryl is restricted in the U.S.

Synonyms and Related Terms

1-naphthyl methylcarbamate;

Commercial products: Sevin [Union Carbide]; Arylam; Carylderm; Clinicide; Derbac; Dicarbam; Ravyon; Seffein; Demon WP

Risks

• Toxic by ingestion, inhalation and skin contact. LD50 = 850 mg/kg (rats)
• Combustible. Flash point = 203 C
• Carcinogen, teratogen and suspected mutagen.
• Noncorrosive.
• Loveland Products: SDS

Physical and Chemical Properties

Soluble in dimethyl formamide, acetone, cyclohexanone. Insoluble in water.

Composition	C10H7OOCNHCH3
CAS	63-25-2
Melting Point	142 C
Density	1.232 g/ml
Molecular Weight	mol. wt. = 201.2

Resources and Citations

• Lynda A. Zycherman, J.Richard Schrock, A Guide to Museum Pest Control, FAIC and Association of Systematics Collections, Washington DC, 1988

• G.Caneva, M.P.Nugari, O.Salvadori, Biology in the Conservation of Works of Art, ICCROM, Rome, 1991

• J. Dawson, CCI Technical Bulletin, 'Solving Museum Insect Problems: Chemical Control' , Canadian Conservation Institute, Ottawa, No. 15

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry #1831

• Wikipedia: http://en.wikipedia.org/wiki/Carbaryl (Accessed Mar. 20, 2006)

• The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998