Chemical |
n-butylamine |
CAS-number : |
109-73-9 |
|
Synonyms : |
1-aminobutaani |
1-aminobutane |
butylamine. |
n-butyyliamiini |
norvalamine |
|
Sumformula of the chemical : |
CH3(CH2)3NH2
C4H11N |
EINECS-number : |
2036992 |
|
Uses : |
Intermediate for emulsifying agents; pharmaceuticals;
insecticides; dyes; tanning agents.
|
|
State and appearance : |
Colorless, volatile liquid.
|
|
Odor : |
Characteristic, sour, ammoniacal.
Hedonic tone: unpleasant to pleasant.
Threshold Odour Concentration:
absolute perception limit: 0.08 ppm
50 % recognition: 0.24 ppm
100 % recognition: 0.24 ppm
Odour index: 100 % recognition: 449166
(Hellmann & Small 1974)
Odour index: at 20 °C: 395000
(Verschueren 1983)
|
|
Molecular weight : |
73.1 |
|
Spesicif gravity (water=1) : |
0.74 |
|
|
Conversion factor, 1 ppm in air=_mg/m3 : |
2.99 |
mg/m3 |
|
Conversion factor, 1 mg/m3 in air=_ppm : |
0.334 |
ppm |
|
Vapor pressure, mmHg : |
72 |
at 20 °C |
|
Melting point, °C : |
-50 |
|
|
Boiling point, °C : |
78 |
|
77.1 |
|
78 |
MITI 1992 |
|
Flashing point, °C : |
1.1 |
|
|
pKa : |
10.64 |
Sangster 1989 |
|
Log octanol/water coefficient, log Pow : |
0.8 |
ANON 1986 |
0.86 |
Sangster 1989 |
|
Other physicochemical properties : |
Miscible with water, alcohol, ether.
|
|
Total degradation in water : |
Biodegradation:
85% (NH3) 66% (NO2) by BOD
period: 14d
substance: 100 mg/l
sludge: 30 mg/l
(MITI 1992)
|
|
Ready biodegradability : |
Confirmed to be biodegradable (Anon. 1987). |
|
Effects on physiology of mammals : |
Rat: inhalation: deaths: 4000 ppm, 4 hr
Rat: inhalation: survived: 2000 ppm, 4 hr
(Patty 1967).
|
|
Effects on microorganisms : |
Toxicity threshold (cell multiplication inhibition test):
bacteria (Pseudomonas putida): 800 mg/l
(Bringmann & Kühn 1980).
|
|
Effects on wastewater treatment : |
Degradation by Aerobacter: 200 mg/l at 30 °C:
parent: 100 % in 22 hr
mutant: 100 % in 7 hr
(Verschueren 1983).
|
|
LOEC values to algae, mg/l : |
0.14 |
0.14 - 0.19, rpd, schr |
0.19 |
Microcystis aeruginosa |
|
Bringmann & Kuhn 1976 |
|
-- |
0.53 |
rpd, schr, Scenedesmus quadricauda |
|
Bringmann & Kuhn 1980a |
|
LC50 values to fishes, mg/l : |
32 |
96hr, Lepomis macrochirus |
24 |
96hr, Menidia beryllina |
|
Dawson et al.1977a |
|
-- |
268 |
96 hr, Pimephales promelas, Geiger et al. 1986 |
|
EC50 values to fishes, mg/l : |
268 |
96 hr, mbt, Pimephales promelas, Geiger et al. 1986 |
|
Other information of water organisms : |
Toxicity threshold (cell multiplication inhibition test):
algae (Microcystis aeruginosa): 0.14 - 0.19 mg/l
(Bringmann & Kühn 1976)
green algae (Scenedesmus quadricauda): 0.53 mg/l
protozoa (Entosiphon sulcatum): 9 mg/l
protozoa (Uronema parduczi): 1752 mg/l
(Bringmann & Kühn 1980).
Fish: Semolitus atromaculatus: critical range: 30 - 70 mg/l; 24
hr (McKee & Wolf 1963).
|
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. |
2283 | Anon.1986a.
Evaluation of the OECD laboratory intercomparison
testing on the determination of the partition coefficient
n-octanol-water by reverse phase HPLC.
Report.
Fraunhofer-Institut für Umweltchemie und Ökotoxikologie. |
187 | Bringmann, G. & Kühn, R. 1976.
Vergleichende Befunde der
Schadwirkung wassergefährdender Stoffe gegen Bakterien
(Pseudomonas putida) und Blaualgen (Microcystis aeruginosa).
Gwf-Wasser-Abwasser 117(9). |
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. |
189 | Bringmann, G. & Kühn, R. 1980b.
Bestimmung der biologischen
Schadwirkung wassergefahrdender Stoffe gegen Protozoen.
II.
Bakterienfressende Ciliaten, Z.
Wasser/Abwasser Forsch. 1: 26 -
31. |
327 | Dawson, G.W., Jennings, A.L., Drozdowski, D. & Rider, E.
1977a.
The acute toxicity of 47 industrial chemicals to fresh
and saltwater fishes.
J.
Hazardous Materials 1 (1975/77): 303
- 318. |
3294 | Geiger, D.
L. et al. 1986.
Acute toxicities of organic
chemicals to fathead minnows (Pimephales promelas) Vol. 3.
Center for Lake Superior Environmental Studies, University of
Wisconsin-Superior, Superior, Wisconsin, U.S.A., 328.
|
1673 | Hellman, T.M. & Small, F.H. 1974.
Characterization of the odour
properties of 101 petrochemicals using sensory methods.
J.
Air
Pollut.
Control Assoc. 24: 979 - 982. |
921 | McKee, J.W. & Wolf, H.W. 1963.
Water quality criteria.
The
Resources Agency of California, State Water Quality Control
Board. |
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. |
3104 | Sangster, J. 1989.
Octanol-water partition coefficients of
simple organic compounds.
J.
Phys.
Chem.
Ref.
Data, Vol 18, No.
3: 1111 - 1229. |
1468 | Verschueren, K. 1983.
Handbook of environmental data of
organic chemicals.
Van Nostrand Reinhold Co.
Inc., New York.
1310 s. |