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


27.4.2024

Data bank of environmental properties of chemicals


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
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.
3297Geiger, 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.
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.
2101Sweet, D. 1987. Registry of toxic effects of chemical substances 1985 - 1986 edition. U.S. Department of health and human services.
1468Verschueren, K. 1983. Handbook of environmental data of organic chemicals. Van Nostrand Reinhold Co. Inc., New York. 1310 s.

 
 
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