Physical Properties |
Value |
Reference |
Molecular Weight (g/mol) |
78.11364 |
TR |
Solubility @ 20-25 degC (mg/L) |
1770 |
TR |
Vapor pressure @ 20-25 degC (mmHG) |
95 |
TR |
Henry's Law constant @ 20 degC |
0.2273879 |
TR |
Sorption coefficient (log L/kg) Koc |
1.82 |
TR |
Octanol-water partition coefficient (log L/kg) |
1.993 |
TR |
Diffusion coefficient in air (cm^2/s) |
0.088 |
TR |
Diffusion coefficient in water (cm^2/s) |
9.8e-006 |
TR |
|
|
|
Miscellaneous Parameters |
Value |
Reference |
Relative bioavailability factor (-) |
1 |
T |
Analytical Detection Limits: |
Water (mg/L) |
0.002 |
S |
Soil (mg/kg) |
0.005 |
S |
First-order decay half lives (days): |
Saturated zone |
720 |
|
Unsaturated zone |
720 |
H |
Soil-to-plant biotransfer factor (0): |
Above ground veg. |
- |
|
Below ground veg. |
- |
- |
|
|
|
Toxicity Data |
Value |
Reference |
EPA weight of evidence |
A |
|
Carcinogen |
TRUE |
|
Oral slope factor (1/[mg/kg/day]) |
0.055 |
TR |
Inhalation unit risk factor (1/[ug/m^3]) |
7.8e-006 |
TR |
Oral reference dose (mg/kg/day) |
0.003 |
TR |
Inhalation reference conc. (mg/m^3) |
0.006 |
TR |
|
|
|
Dermal Exposure |
Value |
Reference |
Dermal adsorption fraction (-) |
0 |
TR |
Gastrointestinal adsorption fraction (-) |
0.97 |
TR |
Dermal permeability coefficient (cm/hr) |
0.021 |
D |
Lag time for dermal exposure (hr) |
0.26 |
D |
Critical dermal exposure time (hr) |
0.63 |
|
Relative contribution of perm. coeff. (-) |
0.013 |
|
|
|
|
Regulatory Standards |
Value |
Reference |
Primary MCL |
0.005 |
MC |
Secondary MCL |
- |
- |
Drinking Water MCLs (mg/L): |
Occupational Air PEL/TWA (mg/m^3) |
3.19 |
OS |
Surface water quality criteria (mg/L) |
Aquatic life protection: Fresh water biota |
- |
- |
Aquatic life protection: Marine biota |
- |
- |
Human health: Drinking / freshwater fish |
0.005 |
T3 |
Human health: Fresh water fishing only |
0.106 |
T3 |
Human health: Salt water fishing only |
0.0708 |
T3 |
|
|
|
LAST UPDATE: Friday, 05 August 2011