Sodium pentaborate |

Last updated: 20/01/2023
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(Also known as: boron sodium oxide) |
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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A plant growth regulator used to reduce russetting in apples, especially Golden Delicious |
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Russetting |
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Apples |
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- |
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- |
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Current |
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- |
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- |
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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 approved |
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Not applicable |
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Not applicable |
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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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  |
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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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None |
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B₅NaO₈ |
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B([O-])([O-])[O-].B([O-])([O-])[O-].B([O-])([O-])[O-].B([O-])([O-])[O-].B([O-])([O-])[O-].[Na+] |
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- |
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PJEIEBXVQQSCGZ-UHFFFAOYSA-N |
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InChI=1S/5BO3.Na/c5*2-1(3)4;/q5*-3;+1 |
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Yes |
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Plant Growth Regulator |
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Inorganic compound |
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- |
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- |
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Natural |
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Multi-site activity. |
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Can be found in nature in boron-rich minerals |
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Produced commercially by combining boric acid and sodium hydroxid |
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Crop management |
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Russetting |
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Apples |
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- |
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12007-92-0 |
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234-522-7 |
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- |
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- |
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16204494 |
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No data found |
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317.03 |
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sodium pentaborate |
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sodium pentaborate |
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sodium pentaborate |
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- |
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- |
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None allocated |
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None allocated |
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8D |
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Not applicable |
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- |
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Colourless crystals |
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- |
- |
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Usually supplied as a wettable powder |
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113000 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
High |
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- |
- |
- |
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750 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
- |
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- |
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- |
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- |
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- |
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- |
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- |
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- |
- |
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Soil adsorption and mobility |
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None
Terrestrial ecotoxicology |
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> 4500 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Rat |
Low |
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13.0 |
Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source Oncorhynchus mykiss |
Moderate |
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- |
- |
- |
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40.2 |
Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source Daphnia magna |
Moderate |
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- |
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- |
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- |
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- |
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> 81.3 |
Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source Desmodesmus subspicatus |
Low |
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- |
- |
- |
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- |
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HUMAN HEALTH AND PROTECTION |
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> 4500 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Rat |
Low |
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Carcinogen |
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Endocrine disruptor |
No data found |
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 ; E0 E = Unspecified genotoxicity type (miscellaneous data source) 0 = No data |
No data found |
Reproduction / development effects |
Acetyl cholinesterase inhibitor |
Neurotoxicant |
✓Yes, known to cause a problem |
XNo, known not to cause a problem |
No data found |
Respiratory tract irritant |
Skin irritant |
Skin sensitiser |
No data found |
✓Yes, known to cause a problem |
No data found |
Eye irritant |
Phototoxicant |
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?Possibly, status not identified |
No data found |
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May cause nausea, vomiting & diarrhoea if ingested |
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No information available |
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Health: H318, H332, H361d, H373 Environment: H411 |
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sodium pentaborate |
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- |
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- |
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Record last updated: |
20/01/2023 |
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 |