1746-01-6(2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN) Product Description

2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN Structure

1746-01-6

CAS No.1746-01-6

Chemical Name:2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN

CBNumber:CB6739638

Molecular Formula:C12H4Cl4O2

Formula Weight:321.97

MOL File:Mol file

2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN Synonyms:

2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN Property

Melting point:	284-287°C
Boiling point:	407.62°C (rough estimate)
Density	1.6430 (estimate)
vapor pressure	340 at 25 °C (Rodorf, 1985)
refractive index	1.6430 (estimate)
Flash point:	4 °C
storage temp.	Refrigerator
solubility	Chloroform: Slightly soluble
form	Colorless solids or crystals
color	Colorless to white needles
Water Solubility	0.0193ug/L(22 ºC)
Henry's Law Constant	5.40 at 20 °C (approximate - calculated from water solubility and vapor pressure)
Exposure limits	An IDLH of 1 ppb was recommended by Schroy et al. (1985).
CAS DataBase Reference	1746-01-6(CAS DataBase Reference)
IARC	1 (Vol. Sup 7, 69, 100F) 2012
EPA Substance Registry System	2,3,7,8-Tetrachlorodibenzo-p-dioxin (1746-01-6)

Safety

Hazard Codes :	F,Xn
Risk Statements :	11-38-48/20-63-65-67
Safety Statements :	36/37-62-46
RIDADR :	2811
WGK Germany :	3
HazardClass :	6.1(a)
PackingGroup :	I
Hazardous Substances Data:	1746-01-6(Hazardous Substances Data)
Toxicity:	LD50 in male, female rats (mg/kg): 0.022, 0.045 orally (Schwetz)

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