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Chemical Identification
Common Name
Flurenol
中文通用名
芴丁酯
IUPAC
9-hydroxyfluorene-9-carboxylic acid
CAS
9-hydroxy-9H-fluorene-9-carboxylic acid
CAS No.
467-69-6
Molecular Formula
C14H10O3
Molecular Structure
Physical Properties
Molecular weight:226.2; Partition coefficient(n-octanol and water):logP = 1.32 (unstated pH); pKa:1.09;
Toxicology
Oral:Acute oral LD50 for rats >6400, mice >6315 mg/ kg. Percutaneous:Acute percutaneous LD50 for rats >10 000 mg/ kg.
Environmental Profile
Ecotoxicology: 
Daphnia: LC50 (24 h) 86.7 mg/ml.Fish: LC50 (96 h) for trout 318 ppm. 

Environmental fate: 
Animals:In rats, following oral administration, 70-90% is eliminated within 24 hours, principally in the urine.Soil:Rapid and complete microbial degradation occurs in soil and water. DT50 in soil c. 1.5 d, in water c. 1-4 d. Adsorption Freundlich K 1.6-5.0 mg/ kg in soils with 0.5-2.6%
Transport Information
Hazard Class:III(Slightly hazardous)

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