| Chemical |
3,4-dimethylaniline |
| CAS-number : |
95-64-7 |
| |
| Synonyms : |
| 3,4-dimethylbenzenamine |
| 3,4-dimethylphenylamine |
| 3,4-xylidine |
| 3,4-xylylamine |
| |
| Sumformula of the chemical : |
| C8H11N |
| EINECS-number : |
| 2024374 |
| |
| State and appearance : |
Solid.
|
| |
| Molecular weight : |
121.2 |
| |
| Spesicif gravity (water=1) : |
| 1.0755 |
Roth 1991 |
| |
| Vapor pressure, mmHg : |
| 0.022 |
ASTER 94 |
| |
| Water solubility, mg/l : |
| 971 |
ASTER 1994 |
| |
| Melting point, °C : |
| 48.9 |
MITI 1992 |
| |
-- |
| 48 |
48 - 51 °C |
| 51 |
Roth 1991 |
| |
| Boiling point, °C : |
| 226 |
Roth 1991 |
| |
| pKa : |
| 5.61 |
ASTER 1994 |
| |
| Log octanol/water coefficient, log Pow : |
| 2.17 |
LOGKOW 1994 |
| 2.21 |
ASTER 1994 |
| |
| Log soil organic carbon coefficient, log Koc : |
| 2.54 |
ASTER 1994 |
| |
| Henry's law constant, Pa x m3/mol : |
| 0.37 |
ASTER 1994 |
| |
| Volatilization : |
Will volatilize slowly from open water.
(ASTER 1994).
|
| |
| Mobility : |
Predicted environmental distribution:
Mackay level I
11.34 % air
86.50 % surface water
1.11 % soil
1.04 % sediment
PED(ASTER) level I
11.18 % air
86.65 % surface water
1.12 % soil
1.05 % sediment
(ASTER 1994).
|
| |
| Hydrolysis in water : |
Hydrolysis unlikely.
(ASTER 1994).
|
| |
| Aerobic degradation in water : |
Degradation in the aquatic environment, half-life >100 days.
(ASTER 1994).
|
| |
| Total degradation in water : |
Biodegradation:
7.1% by BOD
period: 28d
substance: 30 mg/l
sludge: 100 mg/l
(MITI 1992)
|
| |
| Bioconcentration factor, fishes : |
| 1.9 |
1.9 - 3.3, 6w, Cyprinus carpio, conc 1 mg/l, |
| 3.3 |
|
| 10 |
< 10, 6w, Cyprinus carpio, conc 0.1 mg/l, |
| |
| Other information of bioaccumulation : |
Confirmed to be non-accumulative or low accumulative
(Anon. 1987).
|
| |
| LD50 values to mammals in oral exposure, mg/kg : |
| 812 |
orl-rat, Roth 1991 |
| 707 |
orl-mus, RTECS 1994 |
| |
| LD50 values to birds in oral exposure, mg/kg : |
| 5.62 |
orl-Agelaius phoeniceus |
| 10 |
orl-Sturnus vulgaris |
| |
Schafer et al. 1983 |
| |
| LC50 values to algae, mg/l : |
| 44 |
QSARTOX 1994 |
| |
| EC50 values to algae, mg/l : |
| 24 |
48hr, biomass, Scenedesmus subspicatus, IRPTC 1994 |
| |
-- |
| 50 |
48hr, growth, Scedesmus subspicatus, AQUIRE 1994 |
| |
| LC50 values to crustaceans, mg/l : |
| 62 |
QSARTOX 1994 |
| |
-- |
| 10 |
10 - 100, Daphnia |
| 100 |
Roth 1991 |
| |
| EC50 values to crustaceans, mg/l : |
| 2.9 |
24hr, Daphnia magna, Kuhn et al 1989 |
| |
| NOEC values to crustaceans, mg/l : |
| 0.016 |
21d, repr, Daphnia magna, Kuhn et al. 1989 |
| |
| LC50 values to fishes, mg/l : |
| 121 |
48hr, Oryzias latipes, MITI 1992 |
| |
-- |
| 58 |
QSARTOX 1994 |
| |
-- |
| 10 |
10 - 100, fish |
| 100 |
Roth 1991 |
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. |
| 3109 | ASTER 1993 -.
Assessment Tool for the Evaluation of Risk
(including the AQUIRE database).
USEPA, Environmental Research
Laboratory.
|
| 3117 | IRPTC Database 1992- .
International Register of Potentially
Toxic Chemicals.
PC Data Bank, version 2.0.
UNEP.
|
| 3257 | Kuhn, R., Pattard, M., Pernak, K-D. & Winter, A. 1989.
Results
of the harmful effects of water pollutants to Daphnia magna in
the 21 day reproduction test.
Water Research 23(4): 501 - 510.
|
| 3182 | LOG KOW 1994.
Octanol-water partition coefficient program.
Syracure Research Corporation.
Chemical Hazard Assessment
Division.
Environmental Chemistry Center.
|
| 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.
|
| 3255 | QSARTOX 1994 -.
QSARTOX-programme.
Version 1.0.
J.R.
Niemelä.
Danish Environmental Protection Agency.
|
| 3112 | Roth L. 1991.
Wassergefährdende Stoffe.
Ecomed Verlag Mbh.
|
| 3115 | RTECS Database 1992 -.
Registry of Toxic Effects of Chemical
Substances.
National Institute of Occupational Safety and
Health, USA.
TOMES Plus CD-ROM.
|
| 1743 | Schafer , E.W.Jr., Bowles, W.A.Jr., Hurlbut, J. 1983.
The acute
oral toxicity, repellency and hazard potential of 993 chemicals to
one or more species of wild and domestic birds.
Arch.
Environ.
Contam.
Toxicol. 12: 355 - 382. |
