Certifications 2

SDS No.: 128186 V002.0
Metylan Ovalit TM
Page 12 of 14
The mixture is classified based on calculation method referring to the classified substances present in the mixture.
Hazardous substances
CAS-No.
Value
type
Value
Exposure time
Species
Method
2-methylisothiazol-3(2H)-one
2682-20-4
NOEC
0,03 mg/l
72 h
Selenastrum capricornutum
(new name: Pseudokirchneriella
subcapitata)
OECD Guideline 201 (Alga,
Growth Inhibition Test)
2-methylisothiazol-3(2H)-one
2682-20-4
EC50
0,22 mg/l
72 h
Selenastrum capricornutum
(new name: Pseudokirchneriella
subcapitata)
OECD Guideline 201 (Alga,
Growth Inhibition Test)
Isothiazolinone mixture 3:1
(CIT/MIT)
55965-84-9
EC50
0,0052 mg/l
48 h
Skeletonema costatum
OECD Guideline 201 (Alga,
Growth Inhibition Test)
Isothiazolinone mixture 3:1
(CIT/MIT)
55965-84-9
NOEC
0,00064 mg/l
48 h
Skeletonema costatum
OECD Guideline 201 (Alga,
Growth Inhibition Test)
Toxicity to microorganisms
The mixture is classified based on calculation method referring to the classified substances present in the mixture.
Hazardous substances
CAS-No.
Value
type
Value
Exposure time
Species
Method
2-methylisothiazol-3(2H)-one
2682-20-4
EC 50
41 mg/l
3 h
activated sludge
OECD Guideline 209
(Activated Sludge,
Respiration Inhibition Test)
Isothiazolinone mixture 3:1
(CIT/MIT)
55965-84-9
EC20
0,97 mg/l
3 h
activated sludge
OECD Guideline 209
(Activated Sludge,
Respiration Inhibition Test)
12.2. Persistence and degradability
Hazardous substances
CAS-No.
Result
Test type
Degradability
Exposure
time
Method
2-methylisothiazol-3(2H)-one
2682-20-4
inherently biodegradable
aerobic
97 %
48 h
OECD Guideline 302 B (Inherent
biodegradability: Zahn-
Wellens/EMPA Test)
2-methylisothiazol-3(2H)-one
2682-20-4
readily biodegradable
aerobic
> 70 %
28 d
OECD Guideline 309 (Aerobic
Mineralisation in Surface
WaterSimulation Biodegradation
Test)
Isothiazolinone mixture 3:1
(CIT/MIT)
55965-84-9
inherently biodegradable
aerobic
100 %
28 d
OECD Guideline 302 B (Inherent
biodegradability: Zahn-
Wellens/EMPA Test)
Isothiazolinone mixture 3:1
(CIT/MIT)
55965-84-9
readily biodegradable
aerobic
> 60 %
28 d
OECD Guideline 301 D (Ready
Biodegradability: Closed Bottle
Test)
12.3. Bioaccumulative potential
Hazardous substances
CAS-No.
Bioconcentratio
n factor (BCF)
Exposure time
Temperature
Species
Method
Isothiazolinone mixture 3:1
(CIT/MIT)
55965-84-9
3,6
calculation
QSAR (Quantitative Structure
Activity Relationship)
12.4. Mobility in soil