ข้อมูลเชิงนิเวศน์ พิษวิทยานิเวศ methyl palmitate

12 ข้อมูลเชิงนิเวศน์
พิษวิทยานิเวศ

12.1 Acute toxicity (ความเป็นพิษเฉียบพลัน)
Fatty acids C16-18 (methyl palmitate/oleate) 
CAS No. 67762-38-3

Fish
LR50:>0.26 mg/L, 96 hours, OECD 203, Species: Zebra danio (Daniorerio)

Aigae/ aquatic plant
EC50: 73729 mg/L, 72 hours, OECD 201 Read-across, fatty acid, rape oil, methyl ester, species: Green algae (Pseudokirchneriell a subcapitata)

Crustacea
EC50:>= 100,000 mg/L, 48 hours, OECD 203 Read-across: Fayyu acids, rape oil, methyl ester, species: Zebrafish (Daniorerio) 

Toxicity to microorganisms (NOEC OR ECx) 
NOEC: 520 mg/L, 16 hours, ISO 10712 Read-across Fatty
acids, rape oil, Methyl ester, Species: Soil bacterium (Pseudomonas putida)


12.2 การประเมินการตกค้างยาวนาน การสะสมได้ในสิ่งมีชีวิต และเป็นพิษ (Persistence and degradability)

Readily biodegradable
Fatty acids C16-18 (methyl palmitate/oleate) 
CAS No. 67762-38-3

Percent degradation (Aerobic biodegradation)
75% OECD 301 B.Species: Activated sludge of a
predominantly domestic sewage 
Recovery Period: 29 days

Abiotic Degradation Photolysis
1.718 h, 0.000000001 cm3 molecule-1 s-1.
EPISUITE v4.00

Bioaccumulative potential
Non-bioaccumulative
Fatty acids C16-18 (methyl palmitate/oleate) 
CAS No. 67762-38-3
Octanol/ waterpartition coefficient 6.2

Bioconcentrationfactor(BCF)
L/kg ww. OECD 305A. Result 3.307. Species: Blue mussel (Mytilus edulis)

Mobility in soil
Fatty acids C16-18 (methyl palmitate/oleate) 
CAS No. 67762-38-3
Log Koc 2.7 at 22°C OECD 121.
Species: Activated siudge of a predominantly domestic sewage

Results of PBT and vPvB assessment
The component in this formulation do not meet the criteria for classification as PBT or vPvB.