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


6.12.2025

Data bank of environmental properties of chemicals


Chemical
Dicyclopentadiene
CAS-number :
77-73-6
 
Synonyms :
4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-
Bicyclopentadiene
 
Sumformula of the chemical :
C10H12
EINECS-number :
2010529
 
Odor :
Quality: sweet, sharp
Hedonic tone: unpleasant
Threshold odour concentration
absolute: 0.011 ppm
50 % recognition: 0.020 ppm
100 % recognition: 0.020 ppm
Odour index 100 % recognition: 440 500
(Hellman & Small 1974)
 
Melting point, °C :
33.6  MITI 1992
 
Boiling point, °C :
170  MITI 1992
 
Total degradation in water :
Biodegradation:
0% by BOD
period: 14d
substance: 100 mg/l
sludge: 30 mg/l
(MITI 1992)
 
Bioconcentration factor, fishes :
112  112 - 330, 8w, Cyprinus carpio, conc 0.3 mg/l,
330 
58.9  58.9 - 384, 8w, Cyprinus carpio, conc 0.03 mg/l,
384  MITI 1992
 
Other information of bioaccumulation :
Confirmed to be non-accumulative or low accumulative (Anon. 
1987).
 
LC50 values to fishes, mg/l :
3.7  48hr, Oryzias latipes, MITI 1992

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.
1673Hellman, T.M. & Small, F.H. 1974. Characterization of the odour properties of 101 petrochemicals using sensory methods. J. Air Pollut. Control Assoc. 24: 979 - 982.
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.

 
 
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