2,3,4,7,8-Pentachlorodibenzofuran
[CAS# 57117-31-4]

Identification

• Name: 2,3,4,7,8-Pentachlorodibenzofuran
• Synonyms: 2,3,4,7,8-PCDF; 2,3,4,7,8-PeCDF; 23478-PCDF; F 114; PCDF; PCDF 114; PECDF
• Molecular Formula: C₁₂H₃Cl₅O
• Molecular Weight: 340.42
• CAS Registry Number: 57117-31-4
• EC Number: 694-761-1

Properties

• Solubility: Insoluble (3.0E^-7 g/L) (25 ºC), Calc.^*
• Density: 1.700±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 196-196.5 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Eye irritation	Eye Irrit.	2	H319
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	1	H300
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Carcinogenicity	Carc.	1A	H350
Specific target organ toxicity - single exposure	STOT SE	3	H335

• Hazardous Chemical?: Yes