Indolylbutyric acid |
![]() Last updated: 12/08/2021 |
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(Also known as: beta-indolebutyric acid ; IBA) |
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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![]() Significant data are missing |
![]() Significant data are missing |
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A botanical auxin extract used to improve rootings of woody plant cuttings in horticulture | |
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Current | |
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UK regulatory status |
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Approved | ||
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31/05/2026 | ||
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None |
EC Regulation 1107/2009 (repealing 91/414) |
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Approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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France | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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31/05/2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Additional information |
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Chemical structure |
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C₁₂H₁₃NO₂ | |
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C1=CC=C2C(=C1)C(=CN2)CCCC(=O)O | |
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No data | |
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JTEDVYBZBROSJT-UHFFFAOYSA-N | |
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InChI=1S/C12H13NO2/c14-12(15)7-3-4-9-8-13-11-6-2-1-5-10(9)11/h1-2,5-6,8,13H,3-4,7H2,(H,14,15) | |
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Yes |
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Common Name | Relationship | Link |
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indolylbutyric acid | - | ![]() |
General status |
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Plant Growth Regulator | |
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Plant derived substance | |
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994 g kg⁻¹ | |
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EU dossier - None declared | |
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Natural | |
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Broad spectrum, effects cell division and elongation stimulating the formation of roots. | |
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A plant hormone of the auxin family - some reports say its synthetic others report its isolation from leaves and seeds of maize, and from the salix (willow) genus | |
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Synthesised for commercial use | |
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Yield enhancement | |
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None - PGR | |
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Plant cuttings for rooting | |
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133-32-4 | |
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205-101-5 | |
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830 | |
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046701 | |
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203.24 | |
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4-indol-3-ylbutyric acid | |
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1H-indole-3-butanoic acid | |
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Not applcable | |
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Not applcable | |
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Not applcable | |
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Beige coloured crystalline powder |
Formulations |
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Indole-3-butyric acid | Mallinckrodt Baker | ||||
Indole-3-butyric acid Rooting Powder | Research Products International | |||||
Hormex Rooting Powder #8 | Brooker Chemical Corps | |||||
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Usually supplied as a dusting powder. |
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14700 | 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 |
High | ||||||||
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159000 | 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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500000 | 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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334000 | 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 ) Methanol5 = Verified data used for regulatory purposes |
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24500 | 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 ) Dichloromethane5 = Verified data used for regulatory purposes |
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124.5 | 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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250 | 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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Does not 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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2.29 X 1000 | Calculated | - | |||||||
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0.36 | 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 |
Low | ||||||||
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1.27 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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4.7 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) 3 = Unverified data of known source |
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Weak acid | |||||||||||
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0.01 | 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 |
Low volatility | ||||||||
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1.6 X 10-05 | 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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Neutral solution: 291nm=5980, 282nm=6900, 277nm=6390, 224nm=36500 Acidic solution: 291nm=4640, 282nm=5450, 276nm=5040, 223nm=27100 Basic solution: 291nm=5480, 283nm=6390, 277nm=5890 |
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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69.1 | 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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Soil adsorption and mobility |
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- | CA2 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) 2 = Unverified data of unknown source |
Slightly mobile | |||||||
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Estimated | ||||||||||
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Known soil and groundwater metabolites |
None
Other known metabolites |
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indolylacetic acid (Ref: auxins) | - | - | - | - |
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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 |
Low | ||||||||
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2150 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Colinus virginianus3 = Unverified data of known source |
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Aquatic ecotoxicology |
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250 | 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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112 | 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 |
Low | ||||||||
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118 | 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 ) Pseudokirchneriella subcapitata5 = Verified data used for regulatory purposes |
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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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750 | 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 ) Mouse5 = Verified data used for regulatory purposes |
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Intraperitoneal LD₅₀ = 100 mg kg⁻¹ | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Mouse3 = Unverified data of known source |
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None allocated | 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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None allocated | 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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None allocated | 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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4.7 | 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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The public may be exposed via dermal contact with consumer products containing indolebutyric acid | |||||||||
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Health issues |
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Possible kidney toxicant May be harmful if swallowed |
Handling issues |
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Not explosive or oxidising IMDG Transport Code is usually 6.1 Not expected to autoignite; Not highly flammable |
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Health: H301, H315, H319, H335 | |||
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III (Slightly hazardous) | |||
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Usually 2811 | |||
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Packaging Group III (minor danger) |
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indolylbutyric acid | ||
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Record last updated: | 12/08/2021 |
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 |