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


28.3.2024

Data bank of environmental properties of chemicals


Chemical
6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid disodium salt)
CAS-number :
134-47-4
 
Synonyms :
2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis[4- hydroxy-
 
Sumformula of the chemical :
C21H16N2O9S2
EINECS-number :
2051429
 
Water solubility, mg/l :
10000  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 :
0.19  < 0.19, 6w, Cyprinus carpio, conc 2 mg/l,
1.8  < 1.8, 6w, Cyprinus carpio, conc 0.2 mg/l,
 
LC50 values to fishes, mg/l :
1000  >1000, 48hr, Oryzias latipes, MITI 1992

References
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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