Tall oil pitch |

Last updated: 23/08/2025
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(Also known as: tallol; liquid rosin) |
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. These hazard alerts do not take account of usage patterns or exposure, thus do not represent risk.
Environmental fate |
Ecotoxicity |
Human health |
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Used in combination with other ingredients as a repellent for game in coniferous and deciduous forests |
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Large and medium size game |
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Deciduous and coniferous trees |
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Not approved |
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Expired |
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No UK approval for use as a plant protection agent |
EC Regulation 1107/2009 (repealing 91/414) |
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Not approved |
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Not applicable |
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Expired |
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Not applicable |
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Yes |
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ATAustria |
BEBelgium |
BGBulgaria |
CYCyprus |
CZCzech Republic |
DEGermany |
DKDenmark |
EEEstonia |
ELGreece |
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ESSpain |
FIFinland |
FRFrance |
HRCroatia |
HUHungary |
IEIreland |
ITItaly |
LTLithuania |
LULuxembourg |
✓ |
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LVLatvia |
MTMalta |
NLNetherlands |
PLPoland |
PTPortugal |
RORomania |
SESweden |
SISlovenia |
SKSlovakia |
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ISIceland |
NONorway |
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Semiochemical |
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Unclassified substance |
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May contain neutral materials, free fatty acids and rosin acids |
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Natural; Complex mixture |
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A non-volatile fraction of crude tall oil vacumm distillation. Substance is comprised of various hydrocarbons including alcohol esters of fatty and resin acids, oligomers of fatty and resin acids and phytosterols. |
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Forestry |
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Large and medium size game |
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Deciduous and coniferous trees |
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Suitable for use in all farming systems where approved for use in that country |
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8016-81-7 |
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232-414-4 |
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912 |
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tall oil paste |
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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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- |
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Semi soild dark coloured substance comprised of a complex chemical mixtures of typically saponified fatty acids (30%–60%), resin acids (40%–60%), and unsaponifiables (5%–10%) |
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Current |
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Usually applied with a brush or by dipping entire plant |
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Tall oil pitch is produced as a byproduct during the kraft pulping process of pine wood in the paper industry. The initial step involves extracting crude tall oil (CTO) from black liquor soap, which is skimmed off during the pulping of resinous woods. This CTO is then subjected to vacuum distillation, where its components are separated based on boiling points. The lighter fractions, such as fatty acids and rosin, are removed for use in other applications, while the remaining heavy, non-volatile residue is collected as tall oil pitch. |
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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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None
Terrestrial ecotoxicology |
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> 100 |
Danio rerio |
Low |
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> 100 |
Daphnia magna |
Low |
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> 100 |
Desmondesmus subspicatus |
Low |
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HUMAN HEALTH AND PROTECTION |
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Not applicable |
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Carcinogen |
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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 |
XNo, known not to cause a problem |
Reproduction / development effects |
Acetyl cholinesterase inhibitor |
Neurotoxicant |
XNo, known not to cause a problem |
XNo, known not to cause a problem |
XNo, known not to cause a problem |
Respiratory tract irritant |
Skin irritant |
Skin sensitiser |
?Possibly, status not identified |
?Possibly, status not identified |
✓Yes, known to cause a problem |
Eye irritant |
Phototoxicant |
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?Possibly, status not identified |
No data found |
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No further information available |
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Highly flammable |
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Not listed (Not listed) |
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tall oil pitch |
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Record last updated: |
23/08/2025 |
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 |