Cyanoguanidine CAS N°: 461-58-5

OECD SIDS
CYANOGUANIDINE
3. ENVIRONMENTAL FATE AND PATHWAYS ID: 461-58-5
DATE: 25.02.2004
3.1.1 PHOTODEGRADATION
Type : air
Light source :
Light spect. : nm
Rel. intensity : based on Intensity of Sunlight
Indirect photolysis
Sensitizer : OH
Conc. of sens. : 1500000 molecule/cm3
Rate constant : = .000000000042 cm3/(molecule*sec)
Degradation : = 50 % after 3.1 hour(s)
Deg. Product :
Method : other (calculated)
Year : 2003
GLP : no
Test substance :
Remark : Indirect photo-oxidation by hydroxy radicals in the atmosphere is predicted
to occur with a half-life of 3.1 hrs (12-hrs day; 1.5 X 10E6 OH/cm3,
calculated using AOPWIN version 1.90, Syracuse Research Co.).
calculated using: AOPWIN version 1.90 - 2000 U.S. Environmental
Protection Agency
Reliability : (2) valid with restrictions
Flag : Critical study for SIDS endpoint
26.11.2003
3.1.2 STABILITY IN WATER
Type : abiotic
t1/2 pH4 : at degree C
t1/2 pH7 : at degree C
t1/2 pH9 : at degree C
Degradation : % after 5 day at pH and 50 degree C
Deg. Product :
Method : OECD Guide-line 111 "Hydrolysis as a Function of pH"
Year : 1998
GLP : no
Test substance :
Remark : Test period: 5 days
Temperature: 50 plus or minus 1 degree C
(Not decomposed at 50 degree C)
Concentration: ca. 100 mg/L
pH: 4, 7, 9
n=2
Result : t1/2 pH4: not hydrolyzed at 50 plus or minus 1 degree
t1/2 pH7: not hydrolyzed at 50 plus or minus 1 degree
t1/2 pH9: not hydrolyzed at 50 plus or minus 1 degree
Reliability : (2) valid with restrictions
Flag : Critical study for SIDS endpoint
26.11.2003 (10)
Remark : DECOMPOSITION: Solutions above 80 degree decomposes slowly,
yielding ammonia.
Reliability : (2) valid with restrictions
Flag : Critical study for SIDS endpoint
09.10.2003 (8)
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