| Agent Name |
Dichlorvos |
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| Alternative Name |
DDVP |
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| CAS Number |
62-73-7 |
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| Formula |
C4-H7-Cl2-O4-P |
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| Major Category |
Pesticides |
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| Synonyms |
2,2-Dichlorovinyl dimethyl phosphate; Apavap; Benfos; Cekusan; Cypona; Derriban; Derribante; Devikol; Didivane; Duo-Kill; Duravos; Elastrel; Fly-Bate; Fly-Die; Fly-Fighter; Herkol; Marvex; No-Pest; Prentox; Vaponite; Vapona; Verdican; Verdipor; Verdisol; DDVP |
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| Category |
Organophosphates |
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| Description |
Colorless to amber liquid with a mild, chemical odor. [NIOSH] |
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| Sources/Uses |
Used for insect control in food storage areas, greenhouses, and barns; it is not commonly used on field crops; [ATSDR ToxFAQs] |
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| Comments |
Classified as "highly toxic," dichlorvos may be used only by certified applicators. [EXTOXNET] A small number of the organophosphates (OPs) can Induce Delayed Neuropathy (OPIDN). OPIDN usually occurs after ingestion and is usually nonoccupational. [Levy, p. 572] Allergic contact dermatitis reported in flower growers and horticulturists; [Kanerva, p. 1187] Because of its relatively high vapor pressure, confined space exposure can cause significant poisoning. [AHLS, p. 237] |
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| Reference Link |
EXTOXNET - Dichlorvos |
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| Exposure Assessment |
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| BEI |
Cholinesterase activity in red cells = 70% of individual's baseline, sample time discretionary; [ACGIH] |
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| Skin Designation (ACGIH) |
Yes |
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| TLV (ACGIH) |
0.1 mg/m3, inhalable fraction and vapor |
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| PEL (OSHA) |
1 mg/m3 |
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| MAK |
1 mg/m3 |
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| IDLH (NIOSH) |
100 mg/m3 |
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| Vapor Pressure |
0.01 mm Hg |
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| Reference Link |
ATSDR - ToxFAQs - Dichlorvos |
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| Flammability (NFPA) |
1: must be preheated |
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| Adverse Effects |
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| Skin Sensitizer |
Yes |
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| Neurotoxin |
Motor Neuropathy |
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| Other Poison |
Organophosphate |
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| IARC Carcinogen |
Possible Carcinogen |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: DICHLORVOS
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