NCCOS | Data Collection

Data Collection

PCNB

CAS Number: 82-68-8

Basic Information

The chemical structure of PCNB Synonym(s): Avical; Avicol; Batrilex; Botrilex; Brassicol; Earthcide; Eorthcicle; Fartox; Fomac 2; Fortox; Fungiclor; gc 3944-3-4; Kobu; Kobutol; KP 2; Marison Forte; Pentachloronitrobenzene
Formula: C₆Cl₅NO₂
Molecular Weight: 295.337
Boiling Point (°C): 328
Melting Point (°C): 144
Contaminant Type: PCNB is a fungicide.
Notes: Crystalline pale yellow to white solid

Solubility (in water)

Solubility: 8.7 x 10(-7) g/ml ^g
Temperature (°C): 20
Formulation: Terrazan

Half-Life (in soil unless otherwise noted)

t1/2: 213-699 days ^f
Notes: Scientific judgement based upon unacclimated aerobic soil grab sample data

Toxicity Effects

Organism Type: Crustaceans ^g
Common Name: Daphnia
Scientific Name: Daphnia magna
Toxicity: 0.77 mg/l
Test: 48h LC50

Organism Type: Fish ^e
Common Name: Carp
Scientific Name: Cyprinus carpio
Toxicity: >10 mg/l
Test: 48h LC50

Organism Type: Fish ^g
Common Name: Bluegill
Scientific Name: Lepomis macrochirus
Toxicity: 0.1 mg/l
Test: 96h LC50

Organism Type: Fish ^g
Common Name: Rainbow trout
Scientific Name: Oncorhynchus mykiss
Toxicity: 0.55 mg/l
Test: 96h LC50

Organism Type: Mammals ^g
Common Name: Rat
Scientific Name: Muridae (Family)
Toxicity: >5000 mg/kg
Test: LD50

Resource Map: Click below to open in a new window to view or print.
Potential applications of this contaminant in the St. Johns Water River Management District

Work Cited

e	Verschueren, K. 1996. Handbook of Environmental Data on Organic Chemicals, 3rd edition. John Wiley & Sons, Inc., New York.
f	Howard, P. H., R. S. Boethling, W. F. Jarvis, W. M. Meylan, and E. M. Michalenko. 1991. Handbook of Environmental Degradation Rates. Lewis Publishers., Chelsea, MI.
g	Meister, R. T., and C. Sine (Ed). 2003. Crop Protection Handbook, volume 89. Meister Publishing Company, Willoughby, OH.