| Chemical |
Terephtalic acid |
| CAS-number : |
100-21-0 |
| |
| Synonyms : |
| 1,4-Benzenedicarboxylic acid |
| p-Phthalic acid. |
| |
| Sumformula of the chemical : |
| C8H6O4 |
| EINECS-number : |
| 2028300 |
| |
| Photochemical degradation in air : |
Photooxidation half-life in air:
97d - 9.7hr, based upon estimated rate constant for reaction
with hydroxyl radicals in air (Howard 1991).
|
| |
| Half-life in air, days : |
| 97 |
97d - 9.7d, |
| 9.7 |
based upon estimated photooxidation half-life in air. |
| |
Howard 1991 |
| |
| Half-life in soil, days : |
| 7 |
7d - 1d, |
| 1 |
scientific judgement based upon estimated unacclimated aqueous aerobic biodegradation half-life. |
| |
Howard 1991 |
| |
| Half-life in water, days : |
| 7 |
7d - 1d, |
| 1 |
in surface water: scientific judgement based upon estimated unacclimated aqueous aerobic biodegradation half-life, |
| 14 |
14d - 2d, |
| 2 |
in ground water: scientific judgement based upon estimated unacclimated aqueous aerobic biodegradation half-life. |
| |
Howard 1991 |
| |
| Aerobic degradation in water : |
Aerobic half-life:
7d - 1d, scientific judgement based upon aqueous screening test
data (Howard 1991).
|
| |
| Anaerobic degradation in water : |
Anaerobic half-life:
28d - 4d, scientific judgement based upon estimated
unacclimated aqueous aerobic biodegradation half-life (Howard
1991).
|
| |
| Total degradation in water : |
Biodegradation:
75% by BOD
period: 14d
substance: 100 mg/l
sludge: 30 mg/l
(MITI 1992)
|
| |
| Ready biodegradability : |
Confirmed to be biodegradable (Anon. 1987). |
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. |
| 3120 | Howard, P.H., Boethling, R.S., Jarvis, W.F., Meylan, W.M. &
Michalenko, E.M., Handbook of Environmental Degradation Rates,
1991.
Lewis Publicers, Inc., Chelsea, Michigan, U.S.A.,
pp. 725.
|
| 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.
|
