| Pesticide |
Chlorpyrifos |
| PC Code |
059101 |
| CAS Number |
2921-88-2 |
| Type of Pesticide |
Insecticide |
| Type of Organism |
Crustacea |
| Common Name |
Water flea |
| Scientific Name |
Daphnia magna |
| Age |
<24 hr |
| Guideline |
[72-2] Freshwater Invertebrate Acute using TGAI or TEP (FIFRA 158.490) |
| Test Type |
[S] Static system (aquatic) |
| % AI |
97.7% |
| Study Length |
48 hr |
| Dose Type |
[EC50] 50% Effect Concentration |
| Toxicity |
1.72 Parts per Billion |
| 95% Confidence Levels |
1.0-2.0 |
| Probit Slope |
N.R. |
| NGL |
< |
| NOEL |
1.72 |
| Study Date |
1977 |
| Review Date |
1983 |
| Category |
C |
| MRID, ACC, TN Numbers |
00102520 |
| Laboratory |
Dow Chemical Corporation , Michigan |
| Reviewer |
M. Rexrode |
| Batch Number |
031511QA |
| Eggs Laid |
|
| % Eggs Cracked |
|
| % Eggs Viable |
|
| % Live Embryos |
|
| % Egg Hatch |
|
| 14 Day Survive |
|
| Growth Effect |
|