Difference between revisions of "Pyrethrin"
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pyrethrins; pyrethrum; pyrenone; pyrocide | pyrethrins; pyrethrum; pyrenone; pyrocide | ||
| − | == | + | == Risks == |
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| + | * Toxic by ingestion, inhalation and skin contact. LD50 = 584-900 mg/kg. | ||
| + | * Persons sensitive to ragweed will be prone to pyrethrin poisoning. | ||
| + | |||
| + | == Physical and Chemical Properties == | ||
Insoluble in water. Soluble in alcohol, petroleum ether, kerosene, carbon tetrachloride, ethylene dichloride, nitromethane. | Insoluble in water. Soluble in alcohol, petroleum ether, kerosene, carbon tetrachloride, ethylene dichloride, nitromethane. | ||
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| − | == | + | ==Resources and Citations== |
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 643 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 643 | ||
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* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 | ||
| − | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "pyrethrum" | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "pyrethrum" [Accessed March 26, 2002]. |
* J. Dawson, ''CCI Technical Bulletin'', 'Solving Museum Insect Problems: Chemical Control' , Canadian Conservation Institute, Ottawa, No. 15 | * J. Dawson, ''CCI Technical Bulletin'', 'Solving Museum Insect Problems: Chemical Control' , Canadian Conservation Institute, Ottawa, No. 15 | ||
| − | * Stephen R. Edwards, Bruce M. Bell, Mary Elizabeth King, ''Pest Control in Museums: a Status Report 1980'', Association of | + | * Stephen R. Edwards, Bruce M. Bell, Mary Elizabeth King, ''Pest Control in Museums: a Status Report 1980'', Association of Systematics Collections, Washington DC, 1980 |
* Matt Roberts, Don Etherington, ''Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology'', U.S. Government Printing Office, Washington DC, 1982 | * Matt Roberts, Don Etherington, ''Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology'', U.S. Government Printing Office, Washington DC, 1982 | ||
Revision as of 13:16, 23 October 2022
Description
A knockdown type Insecticide derived from chrysanthemum flowers. Pyrethrin does not usually kill the insects so they must be disposed of while they are unconscious. It is often used in combination with other insecticides.
Synonyms and Related Terms
pyrethrins; pyrethrum; pyrenone; pyrocide
Risks
- Toxic by ingestion, inhalation and skin contact. LD50 = 584-900 mg/kg.
- Persons sensitive to ragweed will be prone to pyrethrin poisoning.
Physical and Chemical Properties
Insoluble in water. Soluble in alcohol, petroleum ether, kerosene, carbon tetrachloride, ethylene dichloride, nitromethane.
| Composition | C21H28O3 |
|---|---|
| CAS | 8003-34-7 |
| Refractive Index | 1.5242 |
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 643
- Lynda A. Zycherman, J.Richard Schrock, A Guide to Museum Pest Control, FAIC and Association of Systematics Collections, Washington DC, 1988
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983
- Encyclopedia Britannica, http://www.britannica.com Comment: "pyrethrum" [Accessed March 26, 2002].
- J. Dawson, CCI Technical Bulletin, 'Solving Museum Insect Problems: Chemical Control' , Canadian Conservation Institute, Ottawa, No. 15
- Stephen R. Edwards, Bruce M. Bell, Mary Elizabeth King, Pest Control in Museums: a Status Report 1980, Association of Systematics Collections, Washington DC, 1980
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982