Indeno-1,2,3-cd-pyrene Type: O
CAS No. 193395  
Physical Properties Value Reference
Molecular Weight (g/mol) 276.33728 TR
Solubility @ 20-25 degC (mg/L) 0.0037506666667 TR
Vapor pressure @ 20-25 degC (mmHG) 1.4e-010 TR
Henry's Law constant @ 20 degC 2.851702e-006 TR
Sorption coefficient (log L/kg) Koc 6.54 TR
Octanol-water partition coefficient (log L/kg) 6.697 TR
Diffusion coefficient in air (cm^2/s) 0.019 TR
Diffusion coefficient in water (cm^2/s) 5.66e-006 TR
Miscellaneous Parameters Value Reference
Relative bioavailability factor (-) 1 T
Analytical Detection Limits:
Water (mg/L) 0.01 S2
Soil (mg/kg) 0.66 S2
First-order decay half lives (days):
Saturated zone 1460  
Unsaturated zone 1460 H
Soil-to-plant biotransfer factor (0):
Above ground veg. -  
Below ground veg. - -
Toxicity Data Value Reference
EPA weight of evidence B2  
Carcinogen TRUE  
Oral slope factor (1/[mg/kg/day]) 0.73 TR
Inhalation unit risk factor (1/[ug/m^3]) 8.8e-005 TR
Oral reference dose (mg/kg/day) - -
Inhalation reference conc. (mg/m^3) - -
Dermal Exposure Value Reference
Dermal adsorption fraction (-) 0.13 TR
Gastrointestinal adsorption fraction (-) 0.89 TR
Dermal permeability coefficient (cm/hr) 1.9 D
Lag time for dermal exposure (hr) 4.2 D
Critical dermal exposure time (hr) 20  
Relative contribution of perm. coeff. (-) 380  
Regulatory Standards Value Reference
Primary MCL - -
Secondary MCL - -
Drinking Water MCLs (mg/L):
Occupational Air PEL/TWA (mg/m^3) - -
Surface water quality criteria (mg/L)
Aquatic life protection: Fresh water biota - -
Aquatic life protection: Marine biota - -
Human health: Drinking / freshwater fish 4.4e-005 E
Human health: Fresh water fishing only 3.1e-005 E
Human health: Salt water fishing only 3.1e-005 E
LAST UPDATE: Sunday, 29 November -0001