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


26.4.2024

Data bank of environmental properties of chemicals


Chemical
p-Aminobenzoic acid
CAS-number :
150-13-0
 
Synonyms :
4-carboxyaniline
Benzoic acid, 4-amino-
 
Sumformula of the chemical :
C7H7NO2
EINECS-number :
2057530
 
Molecular weight :
137.13
 
Water solubility, mg/l :
3400  at 9.6 °C
 
Melting point, °C :
187 
 
Log octanol/water coefficient, log Pow :
0.68 
 
Total degradation in soil :
Biodegradation: decomposition by a soil microflora:
> 8 days (Verschueren 1983).

Lag period fo degradation of 16 mg/l by wastewater
or by soil at pH 7.3 and 30 °C: less than 1 day
(Verschueren 1983).
 
Other information of degradation :
Impact on biodegradation processes: at 100 mg/l no
inhibition of NH3 oxidation by Nitrosomonas sp.

(Verschueren 1983).
 
LD50 values to birds in oral exposure, mg/kg :
1000  >1000, orl-Agelaius phoeniceus
1000  >1000, orl-Sturnus vulgaris
1000  >1000, orl-Coturnix coturnix
1000  >1000, orl-Passer domesticus
  Schafer et al. 1983

References
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.

 
 
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