Chemical |
2-Aminopyridine |
CAS-number : |
504-29-0 |
|
Synonyms : |
2-aminopyridiini |
2-Pyridinamine |
alpha-pyridylamine |
|
Sumformula of the chemical : |
C5H6N2 |
EINECS-number : |
2079884 |
|
Molecular weight : |
94.11 |
|
Vapor density (air=1) : |
3.25 |
|
|
Conversion factor, 1 ppm in air=_mg/m3 : |
3.91 |
mg/m3 |
|
Conversion factor, 1 mg/m3 in air=_ppm : |
0.26 |
ppm |
|
Water solubility, mg/l : |
4000 |
>4000, MITI 1992 |
|
Melting point, °C : |
56 |
|
61 |
MITI 1992 |
|
Boiling point, °C : |
204 |
|
204 |
MITI 1992 |
|
Log octanol/water coefficient, log Pow : |
-0.22 |
|
0.6 |
MITI 1992 |
|
Total degradation in water : |
Biodegradation:
0% by BOD
period: 28d
substance: 100 mg/l
sludge: 30 mg/l
(MITI 1992)
|
|
Bioconcentration factor, fishes : |
3 |
3.0 - 7.7, 6w, Cyprinus carpio, conc 0.1 mg/l, |
7.7 |
|
5.1 |
< 5.1 - 25, 6w, Cyprinus carpio, conc 0.01 mg/l, |
25 |
MITI 1992 |
|
Other information of bioaccumulation : |
Confirmed to be non-accumulative or low accumulative (Anon.
1987).
|
|
LD50 values to mammals in oral exposure, mg/kg : |
200 |
orl-rat, Patty 1967 |
50 |
orl-mus |
|
Health effects : |
Man: readily absorbed through the skin
transient symptoms: 5.2 ppm, 8 hours (Patty 1967).
|
|
LD50 values to birds in oral exposure, mg/kg : |
31.6 |
orl-Agelaius phoeniceus |
75 |
75.0 - 100, orl-Sturnus vulgaris |
100 |
|
133 |
orl-Coturnix coturnix |
75 |
orl-Passer domesticus |
|
Schafer et al. 1983 |
|
LC50 values to fishes, mg/l : |
10 |
48hr, Oryzias latipes, MITI 1992 |
|
Other information of water organisms : |
EC50, 60hr, 390 mg/l, rpd, Tetrahymena pyriformis (Schultz &
Applehans 1985).
EC50, 2.5 days, 393 mg/l, grw, Tetrahymena pyriformis (Schultz et
al. 1987).
|
References |
1848 | Anon. 1987a.
The list of the existing chemical substances tested
on biodegradability by microorganisms or bioaccumulation in
fish body by Chemicals Inspection & Testing Institute.
Ministry
of International Trade and Industry, MITI.
Japan. |
3105 | MITI 1992.
Biodegradation and bioaccumulation data of existing
chemicals based on the CSCL Japan.
Compild under the Safety
Division Basic Industries Bureau Ministry of International
Trade & Industry, Japan.
Edited by Chemicals Inspection &
Testing Institute, Japan.
|
1644 | Patty, F.A. 1967.
Industrial hygiene and toxicology.
Vol 2.
Interscience Publishers. |
1743 | Schafer , E.W.Jr., Bowles, W.A.Jr., Hurlbut, J. 1983.
The acute
oral toxicity, repellency and hazard potential of 993 chemicals to
one or more species of wild and domestic birds.
Arch.
Environ.
Contam.
Toxicol. 12: 355 - 382. |
1906 | Schultz, T.W. et al. 1987.
Structure-activity relationships of
selected pyridines.
III Log Kow analysis.
Ecotoxical.
Environ.
Saf. 13: 76. |
1248 | Shultz, T.W. & Applehans, F.M. 1985.
Correlations for the acute
toxicity of multiple nitrogen substituted aromatic molecules.
Ecotox.
Environm.
Safety 10: 75 - 85. |
1468 | Verschueren, K. 1983.
Handbook of environmental data of
organic chemicals.
Van Nostrand Reinhold Co.
Inc., New York.
1310 s. |