Agent Name

alpha-Endosulfan

CAS Number

959-98-8

Formula

C9-H6-Cl6-O3-S

Major Category

Pesticides

Synonyms

Endosulfan 1; Endosulfan A; Endosulfan I; a-Endosulfan-alpha; alpha-Benzoepin; alpha-Thiodan; beta-Thionex; 5-Norbornene-2,3-dimethanol, 1,4,5,6,7,7-hexachloro-, cyclic sulfite, endo-; 6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide, (3alpha,5abeta,6alpha,9alpha,9abeta)-; 6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide, alpha-isomer (3alpha,5a beta,6alpha,9alpha,9a beta)-; Endosulfan, alpha; [ChemIDplus] 6,7,8,9,10,10-Hexachloro-1,5,5a,6,9,9a-hexahydro-6,9-methano-2,4,3-benzodioxathiepin-3-oxide; [Reference #1] UN2761

Category

Organochlorine Pesticides

Description

Technical product: Light to dark brown solid; Formulated as liquid emulsifiable concentrate and wettable powder; [Reference #1] White crystalline solid; [Sigma-Aldrich MSDS]

Sources/Uses

Used as a broad spectrum contact insecticide and acaricide for various vegetables, fruits, cereal grains, cotton, and ornamentals; Registered in 2006 for use in impregnated cattle ear tags for control of flies, lice, and ticks on beef and lactating dairy cattle; [Reference #1] Used in Belgium as a wood preservative; [ExPub: OSPAR Commission]

Comments

Technical endosulfan is composed of the alpha (70%) and beta (30%) stereoisomers; [Reference #1] A CNS stimulant that causes convulsions; Highly toxic by ingestion, inhalation, and skin absorption; [NTP] May cause irritation; Toxic by ingestion; [Sigma-Aldrich MSDS] See "Endosulfan."

Reference Link

EPA Pesticide Chemical Search

Exposure Assessment
Vapor Pressure

3.0E-6 mm Hg

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Organochlorine pesticide, solid, toxic."

Adverse Effects
Other Poison

Organochlorine Pesticide

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: