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Carbon tetrafluoride

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Name

Carbon tetrafluoride

EINECS 200-896-5
CAS No. 75-73-0 Density 1.315 g/cm3
Solubility Melting Point -184 °C
Formula CF4 Boiling Point -130 °C(lit.)
Molecular Weight 88.01 Flash Point
Transport Information UN 1982 2.2 Appearance colourless gas
Safety 38 Risk Codes
Molecular Structure Molecular Structure of 75-73-0 (Methane, tetrafluoro-) Hazard Symbols FlammableF
Synonyms

Carbontetrafluoride (8CI);Arcton 0;CFC 14;Carbon fluoride (CF4);Carbontetrafluoride (CF4);DF 14;FC 14;FC 14 (refrigerant);Freon 14;Freon R 14;Khladon 14;PFC 14;Perfluoromethane;R 14;R 14 (refrigerant);Refrigerant 14;Refrigerant R 14;Tetrafluoromethane;

 

Carbon tetrafluoride Consensus Reports

Reported in EPA TSCA Inventory.

Carbon tetrafluoride Standards and Recommendations

DOT Classification:  2.2; Label: Nonflammable Gas

Carbon tetrafluoride Specification

The Carbon tetrafluoride, with the cas registry number 75-73-0, has the IUPAC name of tetrafluoromethane. This is a kind of colorless odourless gas and is slighly soluble in water. Then it is stable chemically but incompatible with zinc, alkaline earth metals, Group I metals, aluminium and its alloys. Besides, its product categories are various, including refrigerants; Organics; Chemical Synthesis; Compressed and Liquefied GasesMicro/Nanoelectronics; Electronic Chemicals; Gases; Synthetic Reagents.

The characteristics of this chemical are as follows: (1)ACD/LogP: 1.24; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.24; (4)ACD/LogD (pH 7.4): 1.24; (5)ACD/BCF (pH 5.5): 5.13; (6)ACD/BCF (pH 7.4): 5.13; (7)ACD/KOC (pH 5.5): 112.15; (8)ACD/KOC (pH 7.4): 112.15 ; (9)Index of Refraction: 1.169; (10)Molar Refractivity: 7.3 cm3; (11)Molar Volume: 66.8 cm3; (12)Polarizability: 2.89 ×10-24 cm3; (13)Surface Tension: 6 dyne/cm; (14)Density: 1.315 g/cm3; (15)Enthalpy of Vaporization: 13.9 kJ/mol; (16)Vapour Pressure: 82600 mmHg at 25°C; (17)Exact Mass: 87.993613; (18)MonoIsotopic Mass: 87.993613; (19)Topological Polar Surface Area: 0; (20)Heavy Atom Count: 5; (21)Formal Charge: 0; (22)Complexity: 19.1.

Production method Carbon tetrafluoride is as below: difluoro-nitro-acetic acid could react to produce Carbon tetrafluoride, with the following condition: reagent: XeF2; solvent: CH2Cl2; reaction time: 5 - 10 ℃; yield: 38%.

As to its usage, it is widely applied in many ways. It could be used in making refrigerant, solvent, lubricating agent, electrical insulating material, coolant of; It could also used in producing low temperature liquid pressure gage or as the inert gases, or in lasing gas in all kinds of integrated semiconductor.

When deal with this chemical, you should be very cautious. Being a kind of highly flammable chemical, it may catch fire in contact with air, only needing brief contact with an ignition source, and has a very low flash point or evolve highly flammable gases in contact with water. And Carbon tetrafluoride may be narcotic at high concentrations and it may rupture violently and rocket under prolonged exposure to fire or heat the containers. Therefore, you should take the following instructions. In case of insufficient ventilation wear suitable respiratory equipment

In addition, you could obtain the molecular structure by converting the following datas:
(1)Canonical SMILES: C(F)(F)(F)F
(2)InChI: InChI=1S/CF4/c2-1(3,4)5 
(3)InChIKey: TXEYQDLBPFQVAA-UHFFFAOYSA-N 

Below are the toxicity information of this chemical:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LCLo inhalation 895000ppm/15M (895000ppm)   U.S. Army, Chemical Corps Medical Laboratories Research Reports. Vol. #23, Pg. 1950,

 

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