Isobutyric acid
Last updated: 14/09/2023
(Also known as: short chain fatty acid; isobutyrate; fafty acid)
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
 
A short-chain fatty acid used, within agriculture, mainly as a grain and hay preservative
Various fungal pathogens
Cereal grains; Hay
-
Current
-
Not approved
Not applicable
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
Not approved
Not applicable
Not applicable
Not applicable
Yes
ATAustria
BEBelgium
BGBulgaria
CYCyprus
CZCzech Republic
DEGermany
DKDenmark
EEEstonia
ELGreece
 
 
 
 
 
 
 
 
 
ESSpain
FIFinland
FRFrance
HRCroatia
HUHungary
IEIreland
ITItaly
LTLithuania
LULuxembourg
 
 
 
 
 
 
 
 
 
LVLatvia
MTMalta
NLNetherlands
PLPoland
PTPortugal
RORomania
SESweden
SISlovenia
SKSlovakia
 
 
 
 
 
 
 
 
 
ISIceland
NONorway
 
 
 
 
 
 
 
 
 
Isomer of n-butyric acid
C₄H₈O₂
CC(C)C(=O)O
No data
KQNPFQTWMSNSAP-UHFFFAOYSA-N
InChI=1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)
Yes
Fungicide, Other substance
Preservative, Pesticide chemical intermediate
Carboxylic acid fungicide
-
-
Natural
-
79-31-2
201-195-7
None allocated
101502
6590
607-063-00-9
88.11
-
2-methylpropanoic acid
2-methylpropanoic acid
Also used as a synthetic food flavouring - FEMA GRAS
-
Not applicable
Not applicable
Not applicable
Not applicable
-
Colourless liquid with unpleasant sweet odour
-
-
-
-
-
-
-47
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
freezing point
-
155
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
-
-
-
-
56
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
(closed cup)
-
1.26 X 1001
Calculated
-
1.1
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
Low
-
-
-
-
-
-
970
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
-
4.86
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
-
-
2.0 X 1005
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
Highly volatile
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Soil adsorption and mobility
-
-
-
Cannot be calculated
-
-
-
-
-
-
-
-
-
-
-
-
-
-
None
Terrestrial ecotoxicology
2230
Rat
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
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-
-
-
-
-
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-
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-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
270
Daphnia magna
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
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-
HUMAN HEALTH AND PROTECTION
Low (class I)
-
-
2230
Rat
Low
474
P4 P = Other non-EU, UK or US Governments and Regulators 4 = Verified data
Rabbit
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
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-
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-
EU MRL pesticide database 
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-
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Carcinogen
Endocrine disruptor
XNo, known not to cause a problem
A0 A = Chromosome aberration (EFSA database) 0 = No data
; B0 B = DNA damage/repair (EFSA database) 0 = No data
; C0 C = Gene mutation (EFSA database) 0 = No data
; D0 D = Genome mutation (EFSA database) 0 = No data
; E3 E = Unspecified genotoxicity type (miscellaneous data source) 3 = Negative
No data found
Reproduction / development effects
Acetyl cholinesterase inhibitor
Neurotoxicant
XNo, known not to cause a problem
XNo, known not to cause a problem
No data found
Respiratory tract irritant
Skin irritant
Skin sensitiser
✓Yes, known to cause a problem
✓Yes, known to cause a problem
No data found
Eye irritant
Phototoxicant
 
✓Yes, known to cause a problem
No data found
 
May cause serious eye damage May cause serious burns
Flammable liquid Corrosive Not explosive Strong oxidising agent Will emit toxic and irritating fumes in a fire IMDG Transport Hazard Class 3
Handling: 226 Health: H302, H311, H314
Not listed (Not listed)
UN2529
Packaging Group III (minor danger)
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isobutyric acid
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-
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Record last updated:
14/09/2023
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