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Data bank of environmental chemicals     |     The Finnish Environment Institute (SYKE)
 


26.4.2024

Data bank of environmental properties of chemicals


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
1848Anon. 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.
2283Anon.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.
187Bringmann, G. & Kühn, R. 1976. Vergleichende Befunde der Schadwirkung wassergefährdender Stoffe gegen Bakterien (Pseudomonas putida) und Blaualgen (Microcystis aeruginosa). Gwf-Wasser-Abwasser 117(9).
188Bringmann, 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.
189Bringmann, G. & Kühn, R. 1980b. Bestimmung der biologischen Schadwirkung wassergefahrdender Stoffe gegen Protozoen. II. Bakterienfressende Ciliaten, Z. Wasser/Abwasser Forsch. 1: 26 - 31.
327Dawson, 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.
3294Geiger, 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.
1673Hellman, 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.
921McKee, J.W. & Wolf, H.W. 1963. Water quality criteria. The Resources Agency of California, State Water Quality Control Board.
3105MITI 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.
1644Patty, F.A. 1967. Industrial hygiene and toxicology. Vol 2. Interscience Publishers.
3104Sangster, J. 1989. Octanol-water partition coefficients of simple organic compounds. J. Phys. Chem. Ref. Data, Vol 18, No. 3: 1111 - 1229.
1468Verschueren, K. 1983. Handbook of environmental data of organic chemicals. Van Nostrand Reinhold Co. Inc., New York. 1310 s.

 
 
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