Azobenzene (Ref: ENT 14611) |
![]() Last updated: 31/12/2020 |
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(Also known as: benzeneazobenzene; diazobenzene; azobenzide; azobenzol; azodibenzene) |
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A now obsolete insecticide that was formely used to control mites in a range of situations including glasshouses | |
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Boll weevils; Aphids; Spidermites | |
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Glasshouse ornamentals including roses, flowering plants | |
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Obsolete | |
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1945, first reported |
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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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Chemical structure |
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Isomeric existing in the cis- and trans-forms. The two forms are photo-isomeric switching between forms depending on the light. | |
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C₁₂H₁₀N₂ | |
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C1=CC=C(C=C1)N=NC2=CC=CC=C2 | |
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No data | |
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DMLAVOWQYNRWNQ-UHFFFAOYSA-N | |
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InChI=1S/C12H10N2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10H/b14-13+ | |
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Yes |
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Common Name | Relationship | Link |
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cis-azobenzene | Isomer | ![]() |
trans-azobenzene | Isomer | ![]() |
General status |
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Acaricide, Ovicide, Miticide | |
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Bridged diphenyl | |
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Synthetic | |
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Acts by inhibiting oxidative phosphorylation, selective action | |
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103-33-3 | |
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203-102-5 | |
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241 | |
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007401 | |
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2272 | |
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611-001-00-6 | |
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182.22 | |
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diphenyldiazene | |
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azobenzene | |
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diphenyldiazene | |
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Not applicable | |
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Not applicable | |
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Not known | |
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Not applicable | |
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Tetranychus urticae | |
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Orange crystals |
Formulations |
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Usually supplied as an emulsifiable concentrate |
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6.4 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Low | ||||||||
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69 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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476 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
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6.61 X 1003 | Calculated | - | |||||||
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3.82 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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-2.95 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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Very strong acid | |||||||||||
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1.42 | CA2 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) 2 = Unverified data of unknown source |
Moderately volatile | ||||||||
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Degradation |
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Soil adsorption and mobility |
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- | R3 R = Peer reviewed scientific publications 3 = Unverified data of known source |
Slightly mobile | |||||||
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2930 | ||||||||||
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Koc range 1350-4510 mL g⁻¹ | ||||||||||
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Fate indices |
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10 | E3 E = Manufacturers safety data sheets 3 = Unverified data of known source |
Low potential | |||||||
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> 1000 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Rat3 = Unverified data of known source |
Moderate | ||||||||
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> 0.5 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Oryzias latipes3 = Unverified data of known source |
Moderate | ||||||||
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> 5.0 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Daphnia magna3 = Unverified data of known source |
Moderate | ||||||||
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0.009 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Daphnia magna4 = Verified data |
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1.7 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Scenedemus subspicatus4 = Verified data |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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> 1000 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Rat3 = Unverified data of known source |
Moderate | ||||||||
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Consumer exposure should be low or non-existent since compound is no longer produced or used in most of the developed world | |||||||||
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Occupational exposure should be low or non-existent since compound is no longer produced or used in most of the developed world | ||||||||||
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Health issues |
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Harmful is swallowed or inhaled Tumorigenic agent IARC Group 3 carcinogen Probably liver toxicant |
Handling issues |
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IMDG Transport class 9 Not compatible with strong oxidising agents |
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Carcinogen category 2: R45 Xn - Harmful: R20, R22, R48, R68 N - Dangerous for the environment: R50, R53 |
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S45, S53, S60, S1 | |||
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NL (Not listed) | |||
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3077 | |||
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Packaging Group III (minor danger) |
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azobenzene | ||
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azobenzène | ||
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Azobenzol | ||
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azobenceno | ||
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Record last updated: | 31/12/2020 |
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 |