Ammonium sulphamate |
![]() Last updated: 04/01/2021 |
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(Also known as: ammonium sulfamate; ammonium sulfamidate; AMS; monoammonium sulfamate) |
SUMMARY |
Ammonium sulphamate is an inorganic general purpose herbicide. It is currently not approved for use in the EU. It is non-volatile and highly soluble in water. It is not expected to persist in soil systems. Ammonium acetate has a low mammalian toxicity and there is some risk of bioaccumulation. It is a recognised irritant. It tends to have a low toxicity to terrestrial and aquatic wildlife. |
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An inorganic, general purpose herbicide mainly used for the control of difficult, woody weeds | |
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Brambles; Tree stumps; Japanese knotweed; Marestail; Ground-elder; Brushwood; Ivy; Ragwort | |
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Non-cropped areas including railways, rights-of-way, fallow land; pavements, homes, commercial buildings | |
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Current | |
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1942 |
UK regulatory status |
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Not approved | ||
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Expired | ||
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Not approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Ireland | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Expired | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Chemical structure |
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None | |
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H₆N₂O₃S | |
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[NH4+].NS(=O)(=O)[O-] | |
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No data | |
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GEHMBYLTCISYNY-UHFFFAOYSA-N | |
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InChI=1S/H3NO3S.H3N/c1-5(2,3)4;/h(H3,1,2,3,4);1H3 | |
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Yes |
General status |
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Herbicide | |
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Inorganic compound | |
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Synthetic | |
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Non-selective, systemic action absorbed by leaves, stems and freshly cut surfaces followed by translocation | |
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7773-06-0 | |
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226-218-8 | |
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679 | |
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24482 | |
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114.12 | |
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ammonium sulfamidate | |
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ammonium sulfamidate | |
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ammonium sulphamate | |
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None allocated | |
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None allocated | |
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Not applicable | |
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Not applicable | |
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Colourless crystals |
Formulations |
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Often formulated as granules or crystals applied directly to notched woody parts of plants |
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684000 | G4 G = Extension Toxicology network database EXTOXNET (click here ) 4 = Verified data |
High | ||||||||
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131.5 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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160 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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160 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Not expected to self ignite; Not highly flammable | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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6.31 X 1002 | Calculated | - | |||||||
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2.8 | R3 R = Peer reviewed scientific publications 3 = Unverified data of known source |
Moderate | ||||||||
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1.77 | Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source |
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0.9 | DW4 DW = Don Wauchope personal database for Pka data: Wauchope, R. D. and Edwards, J. Dissociation constants for pesticide active ingredients: a database and comparison with predicted values. MS in preparation 4 = Verified data |
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Strong acid | |||||||||||
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1.00 X 10-10 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low volatility | ||||||||
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Degradation |
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14 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 3 = Unverified data of known source |
Non-persistent | |||||||
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14 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Non-persistent | ||||||||
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Best available data | ||||||||||
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Stable | C2 C = AGRITOX (click here ) 2 = Unverified data of unknown source |
Stable | |||||||
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Hydrolysis occurs in acid media at high temperatures | ||||||||||
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Soil adsorption and mobility |
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- | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
Mobile | |||||||
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30 | ||||||||||
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Fate indices |
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2.89 | Calculated | High leachability | ||||||||||||||||||||||||||
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1.38 X 10-01 | Calculated | - | |||||||||||||||||||||||||
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Low | Calculated | - | ||||||||||||||||||||||||||
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Mobile | Calculated | - |
Other known metabolites |
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sulfamic acid | - | Dogs | - | - |
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Low risk | Q3 Q = Miscellaneous internet resources Based on LogP < 33 = Unverified data of known source |
Low risk | |||||||
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3900 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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- | L2 L = Pesticide manuals and hard copy reference books / other sources Rat 3.5 month2 = Unverified data of unknown source |
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1000 | - | |||||||||
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3000 | L3 L = Pesticide manuals and hard copy reference books / other sources Colinus virginianus3 = Unverified data of known source |
Low | ||||||||
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650 | R3 R = Peer reviewed scientific publications Oncorrynchus masou3 = Unverified data of known source |
Low | ||||||||
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General |
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High (class III) | - | - | ||||||||
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3900 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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Health issues |
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Moderately toxic |
Handling issues |
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Strong oxidising agent Corrosive especially to metals Avoid generation of dust |
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Health: H302, H332 Environment: H400 |
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Xi - Irritant: R36/38 Note: for acid | |||
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U (Unlikely to present an acute hazard) | |||
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ammonium sulphamate | ||
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sulfamate d'ammonium | ||
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Ammoniumsulfamat | ||
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ammoniumsulfamat | ||
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solfammato di ammonio | ||
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sulfamate de amonio | ||
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sulfaminian amonu | ||
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Record last updated: | 04/01/2021 |
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 |