(Also known as: sodium silicofluoride; sodium fluorosilicate)
SUMMARY
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
 
 
Human health High alert: Mammals acute toxicity: High; Neurotoxicant
Warning: Significant data are missing
GENERAL INFORMATION
Description
Sodium hexafluorosilicate was once used as a granular insecticide and rodenticide but now considered obsolate. It is now mainly used as a drinking water fluoridation agent and has veterinary medicine applications.
Example pests controlled
Weevils; Cockroaches; Earwigs; Rats; Mice
Example applications
Residential pest control; Livestock
Efficacy & activity
-
Availability status
Obsolete
Introduction & key dates
Late 1940s
UK regulatory status
UK COPR regulatory status
Not approved
Date COPR inclusion expires
Not applicable
UK LERAP status
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
EC Regulation 1107/2009 status
Not approved
Dossier rapporteur/co-rapporteur
Not applicable
Date EC 1107/2009 inclusion expires
Not applicable
EU Candidate for substitution (CfS)
Not applicable
Listed in EU database
No
Approved for use (✓) under EC 1107/2009 in the following EU Member States
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
 
 
 
 
 
 
 
 
 
Approved for use (✓) under EC 1107/2009 by Mutual Recognition of Authorisation and/or national regulations in the following EEA countries
Substance is largely absorbed with around 30% eliminated in urine.
R4 R = Peer reviewed scientific publications 4 = Verified data
-
Health issues
Specific human health issues
Carcinogen
Genotoxic
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
;
E3 E = Unspecified genotoxicity type (miscellaneous data source) 3 = Negative
No data found
Reproduction / development effects
Acetyl cholinesterase inhibitor
Neurotoxicant
No data found
No data found
✓Yes, known to cause a problem
Respiratory tract irritant
Skin irritant
Skin sensitiser
No data found
?Possibly, status not identified
No data found
Eye irritant
Phototoxicant
 
?Possibly, status not identified
XNo, known not to cause a problem
 
General human health issues
High does may result in respiratory failure, ventricular tachycardia and fibrillation as well as muscle pain and numbness May cause constipation, loss of appetite, paresis of the rumen, severe abdominal pain and diarrhea
Handling issues
Property
Value and interpretation
General
When heated to decomposition, sodium hexafluorosilicate releases toxic fumes of hydrogen
CLP classification 2013
Health: H301, H311
WHO Classification
Not classified: Obsolete (Not classified: Obsolete)
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