2,3,7,8-Tetrachlorodibenzo[b,e][1,4]dioxin
[CAS 1746-01-6]

Identification

• Classification: Chemical pesticide >> Insecticide >> Organophosphorus pesticide
• Name: 2,3,7,8-Tetrachlorodibenzo[b,e][1,4]dioxin
• Synonyms: 2,3,7,8-Tetrachlorodibenzodioxin; 2,3,7,8-tetrachlorodibenzo-p-dioxin; 2378TCDD; D 48; Dioxin (herbicide contaminant); PCDD 48; TCDBD; TCDD; Tetrachlorodibenzo-p-dioxin; Tetrachlorodibenzodioxin
• Molecular Formula: C₁₂H₄Cl₄O₂
• Molecular Weight: 321.97
• CAS Registry Number: 1746-01-6
• EC Number: 217-122-7

Properties

• Density: 1.8 g/cm^3*
• Melting point: 306 °C^**

^* "International Chemical Safety Cards" data were obtained from the National Institute for Occupational Safety and Health (US)

^** Chiou, Cary T.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Eye irritation	Eye Irrit.	2	H319
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	1	H300