www.ymparisto.fi
 
 
Data bank of environmental chemicals     |     The Finnish Environment Institute (SYKE)
 


29.3.2024

Data bank of environmental properties of chemicals


Chemical
Benzonitrile
CAS-number :
100-47-0
 
Synonyms :
Bentsonitriili
benzenecarbonitrile
phenylcyanide.
 
Sumformula of the chemical :
C7H5N
EINECS-number :
2028557
 
Molecular weight :
103.12
 
Spesicif gravity (water=1) :
1.01  at 15/15 °C
 
Water solubility, mg/l :
10000  at 100 °C
10000  MITI 1992
 
Melting point, °C :
-13 
-14.3  MITI 1992
 
Boiling point, °C :
190.7 
190.7  MITI 1992
 
Log octanol/water coefficient, log Pow :
1.56 
1.55  ANON 1986
1.56  Sangster 1989
 
Henry's law constant, Pa x m3/mol :
55.33  calc. Yaws et al. 1991
 
Total degradation in water :
Biodegradation:
63.4% 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 birds in oral exposure, mg/kg :
100  >100, orl-Agelaius phoeniceus
100  >100, orl-Sturnus vulgaris
  Schafer et al. 1983
 
Effects on microorganisms :
Toxicity threshold (cell multiplication inhibition test):
Bacteria (Pseudomonas putida): 11 mg/l (Bringmann & Kühn 1980).
 
LOEC values to algae, mg/l :
3.4  rpd, schr, Microcystis aeruginosa,
  Bringmann & Kuhn 1976
75  rpd, schr, Scenedesmus quadricauda,
  Bringmann & Kuhn 1980a
 
LC50 values to fishes, mg/l :
78  srv, act, 96 hr, Pimephales promelas,
  Jones 1971
400  srv, act, 96 hr, Lepomis macrochirus,
  Jones 1971
78  srv, act, 96 hr, - "- - " -
  Henderson et al. 1960
130  srv, act, 96 hr, Branchydanio rerio,
  Wellens 1982
54  54 - 97, srv, act, 48 hr, Leuciscus idus
97  Wellens 1982
 
Other information of water organisms :
Toxicity threshold (cell multiplication inhibition test):
Algae (Microcystis aeruginosa): 3.4 mg/l
(Bringmann & Kühn 1976)
Green algae (Scenedesmus quadricauda): 75 mg/l
Protozoa (Entosiphon sulcatum): 30 mg/l
Protozoa (Uronema parduczi): 119 mg/l
(Bringmann & Kühn 1980).

Adult bluegills: no organoleptic influence at 35 mg/l (McKee &
Wolf 1963).

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.
2283Anon.1986a. Evaluation of the OECD laboratory intercomparison testing on the determination of the partition coefficient n-octanol-water by reverse phase HPLC. Report. Fraunhofer-Institut für Umweltchemie und Ökotoxikologie.
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.
189Bringmann, G. & Kühn, R. 1980b. Bestimmung der biologischen Schadwirkung wassergefahrdender Stoffe gegen Protozoen. II. Bakterienfressende Ciliaten, Z. Wasser/Abwasser Forsch. 1: 26 - 31.
571Henderson, C., Pickering, Q.H. & Lemke, A.E. 1960. The effect of some organic cyanides (nitriles) on fish. Purdue Univ. Eng. Bull. Ext. Ser. 106: 120 - 30. Lafayette, Ind.
675Jones, H.R. 1971. Environmental control in the organic and petrochemical industries. Noyes Data Corporation 1971.
921McKee, J.W. & Wolf, H.W. 1963. Water quality criteria. The Resources Agency of California, State Water Quality Control Board.
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.
3104Sangster, J. 1989. Octanol-water partition coefficients of simple organic compounds. J. Phys. Chem. Ref. Data, Vol 18, No. 3: 1111 - 1229.
1743Schafer , 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.
1468Verschueren, K. 1983. Handbook of environmental data of organic chemicals. Van Nostrand Reinhold Co. Inc., New York. 1310 s.
1531Wellens, H. 1982. Comparison of the sensitivity of Branchydanio rerio and Leucistus idus by testing the fish toxicity of chemicals and wastewaters. Z. Wasser Abwasser Forsch. (Ger.) 15: 49.
3030Yaws, C., Yang, H-C. & Pan, X. 1991. Henry's law constants for 362 organic compounds in water. Chemical Engineering. November. p 179 - 185.

 
 
© Copyright Environmental Administration