Aluminium silicate |
![]() Last updated: 19/08/2023 |
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(Also known as: kaolin; china clay; bolus alba; hydrated aluminium silicate; porcelain clay; pyrophylite; bentone; argilla) |
SUMMARY |
Aluminium silicate is an insecticide and insect repellent. It has a low mammalian toxicity. Aluminium silicate is virtually insoluble in water and in many organic solvents. Little data has been published regarding its environmental fate. It is moderately toxic to fish and honeybees. |
Data alerts |
The following alerts are based on the data in the tables below. An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement.
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An inorganic salt without pesticidal activity that is used as an insect repellent on top fruit and vines. | |
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Aphids; Plant lice; Leaf roller; Pear psylla; Flea beetles; Japanese beetles; Weevils; Sawflies; Thrips | |
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Fruit including apples, pears, plums, grapes, cherries, berries; Row field crops | |
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Current | |
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1997, first registered as pesticide USA |
UK regulatory status |
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Approved | ||
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31/08/2024 | ||
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Not applicable |
EC Regulation 1107/2009 (repealing 91/414) |
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Approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Greece/France | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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31/08/2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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No | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Additional information |
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Chemical structure |
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None | |
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Al₂O₅Si | |
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[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Si+4] | |
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No data | |
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XLIDPNGFCHXNGX-UHFFFAOYSA-N | |
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InChI=1S/2Al.5O.Si/q2*+3;5*-2;+4 | |
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Yes |
General status |
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Insecticide, Insect repellent, Other substance | |
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Diluent | |
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Inorganic compound | |
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999.8 g kg⁻¹ | |
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Natural | |
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Biochemically inert - used in pesticide product formulations to form a barrier film preventing target pests from reaching plant. | |
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1302-87-0 | |
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934-756-6 | |
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841 | |
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00104 | |
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8488719 | |
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No data found | |
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162.05 | |
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dialuminum;oxygen(2-);silicon(4+) | |
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dialuminum;oxygen(2-);silicon(4+) | |
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aluminium silicate anhydrous | |
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Not applicable | |
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Not applicable | |
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UNM | |
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Not applicable | |
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Soft grey-white powder | |
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Formulations |
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Usually formulated as a wettable power, mixed with water and applied as a broadcast spray |
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Insoluble | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
Insoluble | ||||||||
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Insoluble | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Acetone5 = Verified data used for regulatory purposes |
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Insoluble | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Ethyl acetate5 = Verified data used for regulatory purposes |
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Insoluble | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) n-Heptane5 = Verified data used for regulatory purposes |
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Insoluble | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Xylene5 = Verified data used for regulatory purposes |
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Does not sublime or decompose | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
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Non-volatile | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
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Non-volatile | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
Non-volatile | ||||||||
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Not measureable | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
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Degradation |
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0.1 | Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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0.1 | Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
Non-persistent | ||||||||
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Natural substance that rapidly disperses in the environment | ||||||||||
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Stable | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
Stable | |||||||
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Stable at all pH's | ||||||||||
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Stable | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
Stable | |||||||
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Stable at all pH's | ||||||||||
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Soil adsorption and mobility |
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Fate indices |
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Low | Calculated | - | ||||||||||||||||||||||||||
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Known metabolites |
None
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Terrestrial ecotoxicology |
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> 5000 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Rat5 = Verified data used for regulatory purposes |
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> 100 | A3 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 3 = Unverified data of known source |
Low | |||||||
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> 1000 | A3 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 3 = Unverified data of known source |
Low | ||||||||
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Aquatic ecotoxicology |
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> 100 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Oncorhynchus mykiss5 = Verified data used for regulatory purposes |
Low | ||||||||
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. 500 | A3 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Unknown species3 = Unverified data of known source |
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General |
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High (class III) | - | - | ||||||||
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> 5000 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Rat5 = Verified data used for regulatory purposes |
Low | ||||||||
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5000 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Rat5 = Verified data used for regulatory purposes |
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> 2.18 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Rat 4 hr5 = Verified data used for regulatory purposes |
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None allocated | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
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None allocated | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
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None allocated | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
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None allocated | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
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Health issues |
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May cause gastrointestinal effects Antidiarrhoeal agent |
Handling issues |
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Not explosive or oxidising Not expected to autoignite; Not highly flammable |
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Health: H315, H318, H319, H335 | |||
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Not listed (Not listed) | |||
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aluminium silicate | ||
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acide silicique sel d'aluminium | ||
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Kieselsaure, aluminiumsalz | ||
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acido silicico sal de aluminio | ||
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Record last updated: | 19/08/2023 |
Contact: | aeru@herts.ac.uk |
Please cite as: | Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242 |