| Chemical |
Disodium arsenate |
| CAS-number : |
7778-43-0 |
| |
| Synonyms : |
| Arsenic acid (H3AsO4), disodium salt |
| Arsenic acid, disodium salt: disodium arsenic acid |
| disodium hydrogen orthoarsenate |
| disodiummonohydrogen arsenate |
| sodium acid arsenate. |
| sodium arsenate |
| sodiumhydrogen arsenate |
| |
| Sumformula of the chemical : |
| AsH3O4.2Na |
| EINECS-number : |
| 2319024 |
| |
| Molecular weight : |
185.91 |
| |
| Other information of bioaccumulation : |
Bioconcentration factor (algae):
10000, arsenate, blue-green algae, dry weight
(Blanck et al. 1989). |
| |
| LDLo values to mammals in non-oral exposure , mg/kg : |
| 30 |
ipr-rat, Lewis & Sweet 1984 |
| |
| Effects on microorganisms : |
Toxicity threshold (cell multiplication inhibition test):
bacteria (Pseudomonas putida): 18 mg/l
(Bringmann & Kühn 1980a)
|
| |
| EC50 values to algae, mg/l : |
| 0.006 |
As, arsenate, periphyton, pht, |
| |
southern Baltic sea |
| |
Blanck et al. 1989 |
| |
| LOEC values to algae, mg/l : |
| |
arsenate |
| 0.0007 |
0.0007-0.008 mg As/l, phytoplankton |
| 0.008 |
pht, oligotrophic lake |
| 0.0002 |
0.0002- 0018 mg As/l, periphyton |
| 0.0018 |
pht, oligotrophic lake |
| |
Wängberg 1989 |
| |
-- |
| 0.023 |
As, periphyton, Skagerak, pht |
| |
Blanck et al. 1989 |
| |
| LC50 values to crustaceans, mg/l : |
| 0.005 |
0.005-0.008 mg As/l, arsenate, |
| 0.008 |
Fucus vesiculosus, Notini et al. 1987 |
| |
| LC50 values to fishes, mg/l : |
| 49 |
96hr, Gambusia affinis |
| |
Jurewicz & Buikema 1980 |
| |
-- |
| 100 |
As, arsenate, 48hr, Lepomis |
| |
Sorensen 1976 |
| |
| Other information of water organisms : |
LOEC, 0.02 mg As/l, rpd, Pontoporeia, Baltic Sea; LOEC, 0.023 -
0.075 mg As/l, Capitella, egg production, Skagerak (Blanck et
al. 1989).
Toxicity threshold (cell multiplication inhibition test):
green algae (Scenedesmus quadricauda): 8.7 mg/l
protozoa (Entosiphon sulcatum): 8.9 mg/l
(Bringmann & Kühn 1980a)
|
References |
| 2285 | Anon. 1989.
Miljöfarliga ämnen - exempellista och vetenskaplig
dokumentation. 303 p.
Stockholm.
Rapport från
kemikalieinspektionen (KEMI) 10. |
| 2496 | Blanck, H., Holmgren, K., Landner, L., Norin, H., Notini, M.,
Rosemarin, A. & Sundelin, B. 1989.
Advanced hazard assessment
of arsenic in the swedish environment.
In: Landner, L.
(Ed.)
Chemicals in the Aquatic Environment: Advanzed Hazard
Assessment.
Chapter 11, Springer Series on Environmental
Management, Springer-Verlag, Berlin, Heidelberg, New York, pp. 256
- 328. |
| 188 | Bringmann, G. & Kühn, R. 1980a.
Comparison of the toxicity
thresholds of water pollutants to bacteria, algae and
protozoa in the cell multiplication inhibition test.
Water
Res. 14: 231 - 241. |
| 686 | Jurewicz, S. & Buikema, A.L., Jr. 1980.
Effects of arsenate
on albae, Daphnia and mosquito Fish.
Va.
J.
Sci. 31: 124. |
| 1589 | Lewis, R.J. & Sweet, D.V. 1984.
Registry of toxic effects of
chemical substances.
National Institute for Occupational Safety
and Health.
No. 83-107-4. |
| 2501 | Notini, M., Holmgren, K. & Rosemarin, A. 1987.
Long-term fate
and effects of low levels of arsenate on the Baltic sea Fucus
vesiculosus ecosystem.
Proc. 21st Eur.
Mar.
Biol.
Symp., Gdansk
1986. |
| 2505 | Sorensen, E.M.B. 1976.
Bull.
Environ.
Contam.
Toxicol. 15: 756
- 761. |
| 2500 | Wängberg, S.-Å. 1989.
Arsenate tolerance in periphyton and
phytoplankton.
Ph.
D.
Thesis, Dept. of Plant Physiology, Univ.
Göteborg. |
