Chemical |
sec-Butylamine |
CAS-number : |
13952-84-6 |
|
Synonyms : |
1-Methylpropyl amine |
2-Aminobutane |
2-Butanamine |
Butafume |
S-2-butylamine (CAS 513-49-5) |
|
Sumformula of the chemical : |
C4H11N |
EINECS-number : |
2377327 |
|
Molecular weight : |
73.1 |
|
Spesicif gravity (water=1) : |
0.72 |
|
|
Vapor density (air=1) : |
2.52 |
|
|
Conversion factor, 1 ppm in air=_mg/m3 : |
2.99 |
mg/m3 |
|
Conversion factor, 1 mg/m3 in air=_ppm : |
0.334 |
ppm |
|
Melting point, °C : |
-104 |
|
-72 |
MITI 1992 |
|
Boiling point, °C : |
62 |
|
63 |
MITI 1992 |
|
Total degradation in water : |
Biodegradation:
68-109% by BOD (NH3)
53 - 94% by BOD (NO2)
period: 28d
substance: 30 mg/l
sludge: 100 mg/l
(MITI 1992).
|
|
Ready biodegradability : |
Confirmed to be biodegradable (Anon. 1987). |
|
Other information of degradation : |
Impact on biodegradation processes: at 100 mg/l no inhibition of
NH3 oxidation by Nitrosomonas sp.
(Verschueren 1983).
|
|
LD50 values to mammals in oral exposure, mg/kg : |
225 |
orl-dog, Sweet 1987 |
152 |
orl-rat |
|
LD50 values to mammals in non-oral exposure , mg/kg : |
2500 |
skn-rbt, Sweet 1987 |
|
Other information of mammals : |
Mammalia: rat: inhalation: discomfort, lethargy, retarded
weight gain; autopsy: organs normal: 233 ppm, 13 x 6.5 hr
(Verschueren 1983).
|
|
LC50 values to fishes, mg/l : |
275 |
96 hr, Pimephales promelas, Geiger et al. 1990 |
|
EC50 values to fishes, mg/l : |
275 |
96 hr, mbt, Pimephales promelas, Geiger et al. 1990 |
|
Other information of water organisms : |
Fish: creek chub: critical range: 20 - 60 mg/l; 24hr
(Verschueren 1983).
|
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. |
3297 | Geiger, D.
L. et al. 1990.
Acute toxicities of organic
chemicals to fathead minnows (Pimephales promelas) Vol 5.
Center for Lake Superior Environmental Studies, University of
Winsconsin-Superior, Superior, Winconsin, U.S.A. 332.
|
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.
|
2101 | Sweet, D. 1987.
Registry of toxic effects of chemical
substances 1985 - 1986 edition.
U.S.
Department of health and
human services. |
1468 | Verschueren, K. 1983.
Handbook of environmental data of
organic chemicals.
Van Nostrand Reinhold Co.
Inc., New York.
1310 s. |