| Chemical |
Benzaldehyde |
| CAS-number : |
100-52-7 |
| |
| Synonyms : |
| Bentsaldehydi |
| benzenecarbonal |
| oil of bitter almonds. |
| |
| Sumformula of the chemical : |
| C7H6O |
| EINECS-number : |
| 2028604 |
| |
| Odor : |
Characteristic: quality: bitter almonds.
|
| |
| Molecular weight : |
106.13 |
| |
| Spesicif gravity (water=1) : |
| 1.05 |
at 15/4 °C |
| |
| Vapor density (air=1) : |
| 3.66 |
|
| |
| Conversion factor, 1 ppm in air=_mg/m3 : |
| 4.41 |
mg/m3 |
| |
| Conversion factor, 1 mg/m3 in air=_ppm : |
| 0.227 |
ppm |
| |
| Vapor pressure, mmHg : |
| 1 |
26°C |
| 40 |
90 °C |
| |
| Water solubility, mg/l : |
| 3300 |
|
| 5000 |
MITI 1992 |
| |
| Melting point, °C : |
| -25 |
|
| |
| Boiling point, °C : |
| 179 |
|
| 179 |
MITI 1992 |
| |
| Log octanol/water coefficient, log Pow : |
| 1.48 |
|
| 1.48 |
Sangster 1989 |
| |
| Total degradation in water : |
Biodegradation:
66% by BOD
period: 14d
substance: 100 mg/l
sludge: 30 mg/l
(MITI 1992)
|
| |
| Ready biodegradability : |
Confirmed to be biodegradable (Anon. 1987). |
| |
| LD50 values to mammals in oral exposure, mg/kg : |
| 1300 |
orl-rat, Lewis & Sweet 1984 |
| 28 |
orl-mus, - " - |
| |
| LD50 values to mammals in non-oral exposure , mg/kg : |
| 5000 |
scu-rbt, Patty 1967 |
| |
| Effects on microorganisms : |
Toxicity threshold (cell multiplication inhibition test):
Bacteria (Pseudomonas putida): 132 mg/l (Bringmann & Kühn 1980a) |
| |
| LC50 values to crustaceans, mg/l : |
| 15.8 |
>15.8, 96hr, Orconectes nais |
| |
Phipps & Holcombe 1985 |
| |
| LC50 values to fishes, mg/l : |
| 11.2 |
srv, act, 96 hr, Salmo gairdneri, |
| 1.07 |
srv, act, 96 hr, Lepomis macrochirus, |
| 12.4 |
96hr, Pimephales promelas |
| 13.8 |
96hr, Carassius auratus |
| 5.39 |
96hr, Ictalurus punctatus |
| |
Phipps & Holcombe 1985 |
| |
-- |
| 1.269 |
4d, Salmo gairdneri, McKim et al. 1987 |
| |
-- |
| 7.61 |
96 hr, Pimephales promelas, Brooke et al. 1984 |
| |
-- |
| 12.8 |
96 hr, Pimephales promelas, Geiger et al. 1985 |
| |
| EC50 values to fishes, mg/l : |
| 6.61 |
96 hr, mbt, Pimephales promelas, Brooke et al. 1984 |
| |
| Other information of water organisms : |
Toxicity threshold (cell multiplication inhibition test):
algae (Microcystis aeruginosa): 20 mg/l (Bringmann & Kühn 1976)
green algae (Scenedesmus quadricauda): 34 mg/l (Bringmann & Kühn
protozoa (Entosiphon sulcatum): 0.29 mg/l 1980a)
protozoa (Uronema parduczi): 22 mg/l (Verschueren 1983)
Fish: minnows: stop eating: 17.1 mg/l of 85 % solution
(McKee & Wolf 1963).
Lethal threshold concentration (LT50): 3.79 mg/l, 0.8d (McKim et
al. 1987).
LC50, >15,8 mg/l, 96hr, snail, Phipps & Holcombe 1985
|
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. |
| 187 | Bringmann, G. & Kühn, R. 1976.
Vergleichende Befunde der
Schadwirkung wassergefährdender Stoffe gegen Bakterien
(Pseudomonas putida) und Blaualgen (Microcystis aeruginosa).
Gwf-Wasser-Abwasser 117(9). |
| 188 | Bringmann, 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. |
| 3295 | Brooke, L.
T. et al. 1984.
Acute toxicities of organic
chemicals to fathead minnows (Pimephales promelas); Vol 1.
Center for Lake Superior Environmental Studies University of
Wisconsin-Superior, Superior, Wisconsin, U.S.A.
|
| 3296 | Geiger, D.
L. et al. 1985.
Acute toxicities of organic
chemicals to fathead minnows (Pimephales promelas) Vol. 2.
Center for Lake Superior Environmental Studies, University of
Wisconsin-Superior, Superior, Winconsin, U.S.A. 326.
|
| 1589 | Lewis, R.J. & Sweet, D.V. 1984.
Registry of toxic effects of
chemical substances.
National Institute for Occupational Safety
and Health.
No. 83-107-4. |
| 921 | McKee, J.W. & Wolf, H.W. 1963.
Water quality criteria.
The
Resources Agency of California, State Water Quality Control
Board. |
| 1899 | McKim, J.M. et al. 1987b.
Use of respiratory-cardiovascular
responses of rainbow trout (Salmo gairdneri) in identifying
acute toxicity syndromes in fish.
Part 2.
Malathion, carbaryl,
acrolein and benzaldehyde.
Environ.
Toxicol.
Chem. 6: 313. |
| 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.
|
| 1644 | Patty, F.A. 1967.
Industrial hygiene and toxicology.
Vol 2.
Interscience Publishers. |
| 1123 | Phipps, G.L. & Holcombe, G.W. 1985.
A method for multiple
species toxicant testing: acute toxicity of 10 chemicals to
5 vertebrates and 2 invertebrates.
Environm.
Pollut.
(Ser A)
38: 141 - 157. |
| 3104 | Sangster, J. 1989.
Octanol-water partition coefficients of
simple organic compounds.
J.
Phys.
Chem.
Ref.
Data, Vol 18, No.
3: 1111 - 1229. |
| 1468 | Verschueren, K. 1983.
Handbook of environmental data of
organic chemicals.
Van Nostrand Reinhold Co.
Inc., New York.
1310 s. |
