Calcium carbide |
![]() Last updated: 12/01/2021 |
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(Also known as: calcium acetylide; carburo calcico ) |
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Gas generating compound used, in combination with calcium phosphide, as a repellent aganst small mammals in a wide variety of situations. | |
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Current | |
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UK regulatory status |
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Not approved | ||
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Not applicable | ||
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Estonia/Czech Republic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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31/08/2022 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Chemical structure |
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None | |
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CaC₂ | |
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[C-]#[C-].[Ca+2] | |
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UIXRSLJINYRGFQ-UHFFFAOYSA-N | |
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InChI=1S/C2.Ca/c1-2;/q-2;+2 | |
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Yes |
General status |
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Mammal repellent | |
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Inorganic compound | |
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765-810 g kg⁻¹ | |
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EU dossier - Calcium phosphide 0.08-0.52 g/Kg | |
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Synthetic | |
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Action arised from the garlic like odour of phosphine generated when product comes in contact with moisture | |
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75-20-7 | |
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200-848-3 | |
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910 | |
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95697 | |
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64.10 | |
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calcium carbide | |
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calcium carbide | |
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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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Crystalline solid of various colours including white, drey, reddish brown and black depending upon purity | |
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Formulations |
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Often formulated as solid gas generating products, that release moisture when in contact with soil moisture |
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- | 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 ) Reacts with water to form acetylene5 = Verified data used for regulatory purposes |
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1845 | 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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2300 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Not applicable | 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 |
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- | 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 ) Non-volatile5 = Verified data used for regulatory purposes |
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1.0 | 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 ) Non-volatile3 = Unverified data of known source |
Moderately volatile | ||||||||
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Degradation |
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0.01 | A2 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 ) 2 = Unverified data of unknown source |
Non-persistent | |||||||
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Rapid decomposition to calcium hydroxide and aceteylene caused by soil moisture | ||||||||||
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- | 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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Rapid decomposition in water to calcium hydroxide and aceteylene | ||||||||||
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- | 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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Rapid decomposition in water to calcium hydroxide and aceteylene | ||||||||||
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Soil adsorption and mobility |
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Fate indices |
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Low | Calculated | - | ||||||||||||||||||||||||||
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Calculated | - |
Key metabolites |
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Soil | - | Not relevant |
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> 50 | A4 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 mykiss4 = Verified data |
Moderate | ||||||||
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4.62 | 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 ) Daphnia magna5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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12.4 | A4 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 ) Scenedesmus subspicatus Biomass4 = Verified data |
Low | ||||||||
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General |
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High (class III) | - | - | ||||||||
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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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Negligible risk to bystanders from the proposed pattern of use | |||||||||
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Negligible risk to operators from the propsed pattern of use but PPE/PPC advised | ||||||||||
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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 dermatitis |
Handling issues |
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Corrosive Highly flammable Avoid generation of dusts Highly flammable acetylene gas is formed on contact with water IMDG Transport Code is usually 4.3 |
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Handling: H260 | |||
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H - Handling risks: R15 | |||
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S2, S8, S43 | |||
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NL (Not listed) | |||
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Usually 1402 | |||
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Packaging Group II (medium danger) |
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calcium carbide | ||
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carbure de calcium | ||
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Kalziumkarbid | ||
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carburo di calcio | ||
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carburo calcico | ||
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Record last updated: | 12/01/2021 |
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 |