Schradan (Ref: ENT 17291 )
Last updated: 12/09/2023
(Also known as: octamethyl; systophos; octamidophos)
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 largely obsolete organophosphate, systemic insecticide used to control sucking and chewing insects
Aphids; Thrips; Mealybugs; Spidermites; Scale insects
Ornamental trees; Potatoes; Cotton
-
Considered obsolete but may be available in some countries
circa 1954
Not approved
Not applicable
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
Not approved
Not applicable
Not applicable
Not applicable
No
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
 
 
 
 
 
 
 
 
 
None
C₈H₂₄N₄O₃P₂
CN(C)P(=O)(N(C)C)OP(=O)(N(C)C)N(C)C
-
SZKKRCSOSQAJDE-UHFFFAOYSA-N
InChI=1S/C8H24N4O3P2/c1-9(2)16(13,10(3)4)15-17(14,11(5)6)12(7)8/h1-8H3
Yes
Insecticide, Acaricide
Organophosphate insecticide; Phosphorodiamide insecticide; Diamide insecticide; Organophosphate acaricide; Phosphorodiamide acaricide; Diamide acaricide
-
Contains decamethyltriphosphoric triamide
Synthetic
Systemic, Cholinesterase inhibitor
152-16-9
205-801-0
-
058601
9037
015-026-00-8
286.25
octamethyldiphosphoric tetraamide
octamethylpyrophosphoric tetraamide
octamethyldiphosphoramide
-
-
Not applicable
Not applicable
1B
Not applicable
Panonychus citri , Tetranychus viennensis
Dark brown viscous liquid
Lethalaire G-59 Ompacide Terra-Sytam Prestox3
No longer available
1000000
High
-
-
-
17
-
-
-
-
-
-
-
-
-
-
9.77 X 10-02
Calculated
-
-1.01
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
7.5
R4 R = Peer reviewed scientific publications 4 = Verified data
-
Published literature RL₅₀ range 4.0-10.9 days, 2 field grown crops, fruit & leaves, n=2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Soil adsorption and mobility
-
-
-
Cannot be calculated
-
-
-
-
-
-
-
-
-
Low risk
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
Based on LogP < 3
Low risk
-
-
None
Terrestrial ecotoxicology
5.0
Rat
High
-
-
-
-
-
-
-
-
19
R4 R = Peer reviewed scientific publications 4 = Verified data
median of 3 species
High
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
180
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Lepomis macrochirus
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
5.0
Rat
High
15
Rat
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
List I
-
-
-
-
EU MRL pesticide database 
-
-
-
-
-
-
-
-
-
-
Carcinogen
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
No data found
✓Yes, known to cause a problem
✓Yes, known to cause a problem
Respiratory tract irritant
Skin irritant
Skin sensitiser
?Possibly, status not identified
?Possibly, status not identified
No data found
Eye irritant
Phototoxicant
 
?Possibly, status not identified
No data found
 
May cause gastrointestinal, neurologic and respiratory problems
IMDG Transport Hazard Class 6.1
Health: H300, H310
Not classified: Obsolete (Not classified: Obsolete)
UN2902
Packaging Group III (minor danger)
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schradan
schradane
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Record last updated:
12/09/2023
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