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sodium pentaborate

Editor I.G. Ferris

 

Entity code SOPEN
CAS registry No. 12007-92-0
Family Inorganics
Functions Herbicide, Plant Growth Regulator
Chemical name sodium pentaborate (EN)
Synonyms X1013373-4; boron sodium oxide (B5NaO8); boric acid (HB5O8), sodium salt
Trade names
Other names
Last updated 11/1/2006

Fate
Environmental: No microbial degradation. Disappearance from soil is by washing out.

Toxicology
Mammals: Acute oral LD50 for rats 4500-6000 mg/kg. Bees: Not dangerous to bees.

Detection

Sampling

Methods

MRLs

Uses

Mode of action: Inert Ingredients no Longer Used in Pesticide Products, [Federal Register: June 24, 1998 (Volume 63, Number 121)], [Page 34384-34390], From the Federal Register Online via GPO Access [wais.access.gpo.gov], [DOCID:fr24jn98-86]

Uses: Reduces russetting in apples, especially the variety Golden Delicious. Normally used in combinations with sulphur.

Notes

Bibliography
A. United Nations Environment Programme International Labour Organisation World Health Organization International Programme on Chemical Safety Environmental Health Criteria 204: Boron (www.inchem.org/documents/ehc/ehc/ehc204.htm)

Mode of action

Ecotoxicology

Plant metabolism & residues


Physicochemical properties
Property Value
Molecular weight  0  
Melting point  0 °C  
Vapour pressure  0 mPa  
Water solubility  0 mg/l  
Octanol/water partition coefficient (log10 Kow)  0  
Dissociation constant  0  

Notes


Toxicological end points
Property Value
Rat LD50 (oral)  0 mg/kg bw  
Acceptable daily intake  0 mg/kg/day  

Notes


Environmental fate values
Property Value
Soil organic carbon partition coefficient (log10 Koc)  0 l/kg  
Soil DT50 aerobic  0 day  

Notes


Ecotoxicological end points
Property Value

Notes