1,2-Dichloro-3,3,4,4,5,5-hexafluorocyclopentene
[CAS# 706-79-6]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Cyclic hydrocarbon
• Name: 1,2-Dichloro-3,3,4,4,5,5-hexafluorocyclopentene
• Synonyms: 1,2-Dichloro-3,3,4,4,5,5-hexafluoro-1-cyclopentene; 1,2-Dichlorohexafluorocyclopent-1-ene; 1,2-Dichlorohexafluorocyclopentene; 1,2-Dichloroperfluorocyclopentene; 3,3,4,4,5,5-Hexafluoro-1,2-dichlorocyclopentene; NSC 41877
• Molecular Formula: C₅Cl₂F₆
• Molecular Weight: 244.95
• CAS Registry Number: 706-79-6
• EC Number: 211-895-4

Properties

• Solubility: Insoluble (9.3E^-3 g/L) (25 ºC), Calc.^*
• Density: 1.6546 g/cm³ (20 ºC)^**
• Melting point: -105.8 ºC^***
• Boiling point: 92 ºC^****
• Refractive index: 1.3676 (589.3 nm 20 ºC)^**
• Flash point: 13.7±20.8 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2019 ACD/Labs)

^** Henne, Albert L.; Journal of the American Chemical Society 1945, V67, P1235-7.

^*** "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

^**** NL 6508705 1966.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	3	H331
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	2	H330
Acute toxicity	Acute Tox.	4	H302