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75-71-8

75-71-8 structural image
Product Name: Dichlorodifluoromethane
Formula: CCl2F2
Synonyms: Anti-DKFZp686M18273;Anti-G protein-coupled receptor 17;G protein-coupled receptor 17
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Dichlorodifluoromethane appears as a colorless gas having a faint ethereal odor. Shipped as a liquid confined under its own vapor pressure. Contact with the unconfined liquid can cause frostbite. Both components are noncombustible. Can asphyxiate by the displacement of air. Exposure of the closed container to prolonged heat or fire can cause it to rupture violently and rocket.
Color/Form Colorless gas ... [Note: Shipped as a liquified compressed gas]
Odor Practically odorless ... faint, ether-like odor in high concentration
Boiling Point -21.6 °F at 760 mmHg (NTP, 1992)
Melting Point -252 °F (NTP, 1992)
Solubility Insoluble (NTP, 1992)
Density 1.35 at 59 °F (USCG, 1999) - Denser than water; will sink
Vapor Density 4.2 (NIOSH, 2023) - Heavier than air; will sink (Relative to Air)
Vapor Pressure 5 atm at 61 °F (NTP, 1992)
LogP log Kow = 2.16
Henry's Law Constant Henry's Law constant = 0.343 atm-cu m/mol at 20 °C
Stability/Shelf Life Stable up to 550 °C.
Autoignition Temperature Not flammable (USCG, 1999)
Decomposition When heated to decomp it emits highly toxic fumes of phosgene and /hydrogen chloride and hydrogen fluoride/.
Viscosity 0.262 centipoise at 70 °F
Corrosivity Noncorrosive
Heat of Combustion Nonflammable
Heat of Vaporization 20.1 kJ/mol at -29.8 °C
Surface Tension 9 dynes/cm
Ionization Potential 11.75 eV
Kovats Retention Index 318 314 319.2 311 299.9 313 305 313 305
Other Experimental Properties Dipole moment: 0.51 debye. Absorbs less than 0.0025% water.
Chemical Classes Solvents -> Chlorofluorocarbons

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Flame
Flammables
GHS02

Skull and Crossbones
Acute Toxicity
GHS06

Health Hazard
GHS08
GHS Hazard Statements H225:Flammable liquids
H370:Specific target organ toxicity, single exposure
H420:Hazardous to the ozone layer
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P311:Call a POISON CENTER or doctor/physician.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

COMPUTED DESCRIPTORS

Molecular Weight 120.91 g/mol
XLogP3 2.3
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 2
Rotatable Bond Count 0
Exact Mass 119.9345117 g/mol
Monoisotopic Mass 119.9345117 g/mol
Topological Polar Surface Area 0 Ų
Heavy Atom Count 5
Formal Charge 0
Complexity 30.6
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Dichlorodifluoromethane appears as a colorless gas having a faint ethereal odor. Shipped as a liquid confined under its own vapor pressure. Contact with the unconfined liquid can cause frostbite. Both components are noncombustible. Can asphyxiate by the displacement of air. Exposure of the closed container to prolonged heat or fire can cause it to rupture violently and rocket.