Chitosan hydrochloride |
Last updated: 24/10/2024 |
(Also known as: chitisan; C00734; poliglusam; deacetylchitin; poliglusam hydrochloride; chitin) |
SUMMARY |
Citosan is an animal-derived pesticide. There is limited data available for its environmental fate. It has a low mammalian oral toxicity and no significant health effects have been identified. Limited data is available regarding its ecotoxicity but it is known to have a high toxicity to fish. |
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.
Environmental fate | Ecotoxicity | Human health |
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An animal derived fungicide which, structurally, is a straight-chain copolymer composed of D-glucosamine and N-acetyl-D-glucosamine. It is used to control root rots and to improve seed germination, root development and general plant health. | |
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Root rot | |
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Hemp | |
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Current | |
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2013, first EU evaluation | |
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UK regulatory status |
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Approved | ||
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Open ended | ||
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No data |
EC Regulation 1107/2009 (repealing 91/414) |
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Approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Open ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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No | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Additional information |
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USA |
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Chemical structure |
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None | |
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C₅₆H₁₀₃N₉O₃₉ | |
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COC(=O)NC1C(C(C(OC1OC2C(OC(C(C2O)N)OC3C(OC(C(C3O)N)O)CO)CO)CO)OC4C(C(C(C(O4)CO)OC5C(C(C(C(O5)CO)OC6C(C(C(C(O6)CO)OC7C(C(C(C(O7)CO)OC8C(C(C(C(O8)CO)OC9C(C(C(C(O9)CO)O)O)N)O)N)O)N)O)N)O)N)O)N)O | |
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COC(=O)N[C@@H]1[C@H]([C@@H]([C@H](O[C@H]1O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2O)N)O[C@@H]3[C@H](O[C@H]([C@@H]([C@H]3O)N)O)CO)CO)CO)O[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O[C@H]5[C@@H]([C@H]([C@@H]([C@H](O5)CO)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O[C@H]7[C@@H]([C@H]([C@@H]([C@H](O7)CO)O[C@H]8[C@@H]([C@H]([C@@H]([C@H](O8)CO)O[C@H]9[C@@H]([C@H]([C@@H]([C@H](O9)CO)O)O)N)O)N)O)N)O)N)O)N)O)N)O | |
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FLASNYPZGWUPSU-SICDJOISSA-N | |
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InChI=1S/C56H103N9O39/c1-87-56(86)65-28-38(84)46(19(10-74)96-55(28)104-45-18(9-73)95-49(27(64)37(45)83)97-39-12(3-67)88-47(85)20(57)31(39)77)103-54-26(63)36(82)44(17(8-72)94-54)102-53-25(62)35(81)43(16(7-71)93-53)101-52-24(61)34(80)42(15(6-70)92-52)100-51-23(60)33(79)41(14(5-69)91-51)99-50-22(59)32(78)40(13(4-68)90-50)98-48-21(58)30(76)29(75)11(2-66)89-48/h11-55,66-85H,2-10,57-64H2,1H3,(H,65,86)/t11-,12-,13-,14-,15-,16-,17-,18-,19-,20-,21-,22-,23-,24-,25-,26-,27-,28-,29-,30-,31-,32-,33-,34-,35-,36-,37-,38-,39-,40-,41-,42-,43-,44-,45-,46-,47-,48+,49+,50+,51+,52+,53+,54+,55+/m1/s1 | |
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Yes |
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Common Name | Relationship | Link |
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Chitosan | Parent |
General status |
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Plant Growth Regulator, Nematicide, Fungicide | |
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Animal-derived substance | |
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- | |
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EU dossier: Max content of heavy metals: 40 ppm | |
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Natural | |
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Boosts the ability of plants to defend against fungal infections | |
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One of the most common polymers found in nature, derived from crustacean exoskeletons such as lobsters, crabs, and shrimp | |
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Produced from harvested, crushed, dried crustacean exoskeletons | |
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Crop protection | |
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Powdery mildews and botrytis species. Also active against some nematodes. | |
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Many field crops, ornamentals, and turf | |
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Suitable for use in all farming systems where approved for use in that country | |
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9012-76-4 | |
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128930 | |
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1526.45 | |
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poly-D-glucosamine | |
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β-(1,4)-2-amino-2-deoxy-D-glucose | |
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Approved via EU & UK 'Basic substance' legislation (Article 28 of Regulation (EC) No 1107/2009) | |
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Not applicable | |
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Not applicable | |
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Not applicable | |
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Not applicable | |
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White powder | |
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Formulations |
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Elexa 4 | SafeScience | ||||
Clandosan | Igene | |||||
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Usually supplied as an aqueous suspension or in a pelleted formulation often as a seed treatrment |
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1.26 X 10-05 | Calculated | - | |||||||
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-4.9 | Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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1 | Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source |
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Degradation |
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As this parameter is not normally measured directly, a surrogate measure is used: ‘Photochemical oxidative DT₅₀’. Where data is available, this can be found in the Fate Indices section below. | ||||||||||
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Soil adsorption and mobility |
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Known metabolites |
None
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Terrestrial ecotoxicology |
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> 16000 | Q2 Q = Miscellaneous data from online sources Rat2 = Unverified data of unknown source |
Low | ||||||||
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> 2000 | Q3 Q = Miscellaneous data from online sources Unknown species3 = Unverified data of known source |
Low | ||||||||
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> 1000 | Q3 Q = Miscellaneous data from online sources Esisenia foetida3 = Unverified data of known source |
Low | ||||||||
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1000 | Q3 Q = Miscellaneous data from online sources Esisenia foetida3 = Unverified data of known source |
Low | ||||||||
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> 100 | Q2 Q = Miscellaneous data from online sources Expert judgement2 = Unverified data of unknown source |
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Aquatic ecotoxicology |
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0.05 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents / FAO data, IPCS INCHEM data (US EPA Databases Related to Pesticide Risk Assessment ) Oncorhynchus mykiss4 = Verified data |
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General |
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High (class III) | - | - | ||||||||
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> 16000 | Q2 Q = Miscellaneous data from online sources Rat2 = Unverified data of unknown source |
Low | ||||||||
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Health issues |
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No further information available |
Handling issues |
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No information available | |||
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Health: H315, H319, H335 | |||
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Not listed (Not listed) | |||
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chitosan hydrochloride | ||
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chitosan | ||
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Chitosan | ||
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chitosan | ||
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chitosan | ||
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chitosan | ||
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chitozan | ||
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Record last updated: | 24/10/2024 |
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 |