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


20.4.2024

Data bank of environmental properties of chemicals


Chemical
Triethanolamine
CAS-number :
102-71-6
 
Synonyms :
2,2',2''-nitrilotriethanol
2,2',2''-nitrilotrisethanol
2,2',2''-trihydroxytriethylamine
alkanolamine 244
Daltogen
TEA
tri(hydroxyethyl)amine
Trietanoliamiini
trihydroxytriethylamine
Trolamine
 
Sumformula of the chemical :
C6H15NO3
EINECS-number :
2030498
 
Uses :
Textile antifume agent and water repellent; corrosion 
inhibitor; softening agent; plasticizer; chelating agent; 
rubber accelerator; intermediate; herbicide. 
Used in 
detergents, cosmetics and drycleaning.
 
State and appearance :
Liquid.
 
Molecular weight :
149.22
 
Spesicif gravity (water=1) :
1.124  4/20 C
 
Vapor density (air=1) :
5.14 
 
Conversion factor, 1 ppm in air=_mg/m3 :
6.1  mg/m3
 
Conversion factor, 1 mg/m3 in air=_ppm :
0.164  ppm
 
Vapor pressure, mmHg :
0.00975  < 0.00975, 20 C
 
Water solubility, mg/l :
1000000  25 C, OHMTADS 1993.
80300000  calculated, ASTER 1993.
 
Melting point, °C :
21.2  MITI 1992
 
Boiling point, °C :
360.8  MITI 1992
 
Flashing point, °C :
190  open cup
180  closed cup
 
Log octanol/water coefficient, log Pow :
-1.59  Howard 1990
 
Log soil organic carbon coefficient, log Koc :
0.48  extremely mobile
 
Henry's law constant, Pa x m3/mol :
0.01  volatilization neglible, HSDB 1993
 
Other physicochemical properties :
Hygroscopic; strong base (HSDB 1993).
 
Hydrolysis in water :
Hydrolysis half-life > 1000 days (calculated) (ASTER 1993).
 
Chemical oxygen demand, g O2/g :
1.53  5 days, Bridie et al. 1979
 
Biochemical oxygen demand, g O2/g :
0.08  5 days, Bridie et al. 1979
 
Total degradation in water :
Biodegradation:
0% by BOD
period: 14d
substance: 100 mg/l
sludge: 30 mg/l
(MITI 1992).

Modified OECD Screening test: 96 % degradation in 19 days, DOC; 
Modified Sturm test: 91 % degradation in 28 days, CO2 eval.;
Modified MITI test: 0% degradation, BOD;
Modified Afnor test: 97 % degradation in 42 days, DOC;
Closed bottle test 9 %, 30 days, BOD (Howard 1990).

Biodegradation is slow with non-acclimated seed (OHMTADS 1993). 
Zahn-Wellens, non-adopted seed, inherent test: 89 % in 14 days 
(Howard 1993).
 
Ready biodegradability :
Readily biodegradable (QSAR-estimate, BIODEG 1992).
Not readily biodegradable (Roth 1991).
 
Bioconcentration factor, fishes :
0.4  < 0.4, 6w, Cyprinus carpio, conc 2.5 mg/l,
3.9  < 3.9, 6w, Cyprinus carpio, conc 0.25 mg/l,
 
LD50 values to mammals in oral exposure, mg/kg :
8689  orl-rat, Roth 1991
  --
7400  RTECS 1993
2200  RTECS 1993
 
Effects on microorganisms :
Toxicity threshold (cell multiplication inhibition test):
bacteria (Pseudomonas putida): >10000 mg/l
(Bringmann & Kühn 1980a)
 
LOEC values to algae, mg/l :
1.8  rpd, schr, Scenedesmus quadricauda
  Bringmann & Kühn 1980a
  --
47  rpd, schr, Microcystis aeruginosa
  Bringmann & Kühn 1976
 
EC50 values to crustaceans, mg/l :
100  100-1000 mg/l, 48hr, Daphnia, Roth 1991
1000 
  --
1850  24hr, Daphnia, IRPTC 1993.
 
LC50 values to fishes, mg/l :
75000  24hr, Carassius auratus, Anon. 1975
  --
5000  > 5000, 24hr, Carassius auratus
  Bridie et al. 1979
  --
1000  > 1000, 48hr, Oryzias latipes, MITI 1992
  --
11800  96hr, Pimephales promelas, ASTER 1993
  --
11800  96 hr,Pimephales promelas, Geiger et al. 1990
 
EC50 values to fishes, mg/l :
11800  96 hr, mbt, Pimephales promelas, Geiger et al. 1990
 
Other information of water organisms :
Toxicity threshold (cell multiplication inhibition test):
green algae (Scenedesmus quadricauda): 1.8 mg/l
protozoa (Entosiphon sulcatum): 56 mg/l
(Bringmann & Kühn 1980a)

Toxic, Daphnia, 2.5 mg/l, Roth 1991
--
Toxic, Scenedesmus, 100 mg/l, Roth 1991
--
EC10 cell division, 48hr, Scenedesmus subspicatus (Roth 1991).

References
62Anon. 1975. Shell Chemie, Shell Industrie Chemicalien gids, Shell Nederland Chemie, Afd. Industriechemicalien, Wassenaarseweg 80, 'sGravenhage, Nederland.
3109ASTER 1993 -. Assessment Tool for the Evaluation of Risk (including the AQUIRE database). USEPA, Environmental Research Laboratory.
3118BIODEG 1992- . Biodegradation probability program, version 3. Syracuse Research Corporation, New York.
182Bridie, A.L. et al. 1979. The acute toxicity of some petrochemicals to goldfish. Water Res. 13: 623.
1680Bridie, A.L., Wolff, C.J.M. & Winter, M. 1979. BOD and COD of some petrochemicals. Water Res. 13: 627 - 630.
1680Bridie, A.L., Wolff, C.J.M. & Winter, M. 1979. BOD and COD of some petrochemicals. Water Res. 13: 627 - 630.
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.
3113ECDIN Database 1992- . Environmental Chemicals Data and Information Network. Commission of the European Communities, Joint Research Centre, Ispra, Italy.
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.
2992Howard, P. H. et al. 1990. Handbook of Environmental Fate and Exposure Data for Organic Chemicals. Vol. II: Solvents. Lewis Publishers, Inc. Chelsea. pp 546.
3114HSDB Database 1992 -. Hazardous Substances Data Bank. US. National Library of Medicine. TOMES Plus CD-ROM.
3117IRPTC Database 1992- . International Register of Potentially Toxic Chemicals. PC Data Bank, version 2.0. UNEP.
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.
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.
3116OHMTADS Database 1992- . Oil and Hazardous Materials/Technical Assistance Data System, USEPA. TOMES Plus CD-ROM.
3112Roth L. 1991. Wassergefährdende Stoffe. Ecomed Verlag Mbh.
3115RTECS Database 1992 -. Registry of Toxic Effects of Chemical Substances. National Institute of Occupational Safety and Health, USA. TOMES Plus CD-ROM.
2723Sax, N.I. & Lewis, Sr., R.J. 1989. Dangerous properties of industrial materials. Seventh edition. Van Nostrand Reinhold. New York.
1468Verschueren, K. 1983. Handbook of environmental data of organic chemicals. Van Nostrand Reinhold Co. Inc., New York. 1310 s.

 
 
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