Allidochlor
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Allidochlor | |||||||||||||||
other names |
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Molecular formula | C 8 H 12 ClNO | |||||||||||||||
Brief description |
oily, amber-colored liquid |
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properties | ||||||||||||||||
Molar mass | 173.64 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
1.04 g cm −3 |
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Melting point |
25 ° C |
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boiling point |
116 ° C (1 mm Hg) |
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solubility |
practically insoluble in water (20 mg l −1 at 20 ° C) |
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Refractive index |
1.4932 |
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safety instructions | ||||||||||||||||
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Toxicological data | ||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C |
Allidochlor is a chemical compound from the group of chloroacetamides , the herbicidal effect of which was found by Monsanto in 1952 . Allidochlor was the first successful pre-emergence herbicide .
Extraction and presentation
Allidochlor can be obtained by reacting chloroacetic acid chloride with diallylamine .
toxicology
Allidochlor is very irritating to the skin.
Admission
Allidochlor is not approved as a crop protection agent in the European Union or Switzerland .
Individual evidence
- ↑ a b c d e Entry on allidochlor in the Pesticide Properties DataBase (PPDB) of the University of Hertfordshire , accessed on June 11, 2014.
- ↑ a b David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Physical Constants of Organic Compounds, pp. 3-98.
- ↑ Robert Krieger (Ed.): Hayes' Handbook of Pesticide Toxicology, Volume 1 . Elsevier, 1999, ISBN 978-0-12-374367-1 , pp. 769 ( limited preview in Google Book search).
- ↑ Entry on allidochlor in the GESTIS substance database of the IFA , accessed on July 23, 2016(JavaScript required) .
- ↑ Entry on allidochlor in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on August 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
- ↑ Data sheet Allidochlor, PESTANAL at Sigma-Aldrich , accessed on October 20, 2016 ( PDF ).
- ↑ a b Toxicology of amide herbicides in horses
- ↑ Patent US2864683 : Selective method of inhibiting preemergent growth of grasses. Applied on September 13, 1954 , published December 16, 1958 , Applicant: Monsanto Chemicals, Inventor: Philip C Hamm, Angelo J Speziale.
- ^ Robert L. Zimdahl: A History of Weed Science in the United States . Elsevier Insights, 2010, ISBN 978-0-12-381495-1 , pp. 103 ( limited preview in Google Book search).
- ↑ Thomas A. Unger: Pesticide Synthesis Handbook . William Andrew, 1996, ISBN 0-8155-1853-6 , pp. 9 ( limited preview in Google Book search).
- ^ Directorate-General for Health and Food Safety of the European Commission: EU pesticide database ; Entry in the national directory of plant protection products in Switzerland ; Retrieved June 25, 2016.