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| CAS No.: | 75-73-0 |
|---|---|
| Name: | Carbon tetrafluoride |
| Article Data: | 403 |
| Molecular Structure: | |
|
|
|
| Formula: | CF4 |
| Molecular Weight: | 88.0046 |
| 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; |
| EINECS: | 200-896-5 |
| Density: | 1.315 g/cm3 |
| Melting Point: | -184 °C |
| Boiling Point: | -130 °C(lit.) |
| Appearance: | colourless gas |
| Hazard Symbols: |
 F
|
| Safety: | 38 |
| Transport Information: | UN 1982 2.2 |
| PSA: | 0.00000 |
| LogP: | 1.47570 |
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| Conditions | Yield |
|---|---|
| With fluorine at 20 - 188℃; under 354.035 - 750.825 Torr; Product distribution / selectivity; | A n/a B 97.4% |
| Conditions | Yield |
|---|---|
| With hydrogen fluoride at 375℃; | 95% |
| bei der Einw. einer Hochspannungs-Entladung; | |
| With chromium fluoride; hydrogen fluoride | |
| With iron(III) trifluoride; hydrogen fluoride |
| Conditions | Yield |
|---|---|
| With antimony pentafluoride at 60℃; for 6h; | A n/a B 95% |
| Conditions | Yield |
|---|---|
| With hydrogen; fluorine at 0 - 200℃; Temperature; | 95% |
| With fluorine at 200℃; under 760.051 Torr; Reagent/catalyst; | 95% |
- 3802-95-7
Perfluoromethyl azide
A
- 75-73-0
carbon tetrafluoride
B
- 76-16-4
Hexafluoroethane
C
- 335-01-3
difluoramino trifluoromethane
| Conditions | Yield |
|---|---|
| With fluorine at 70℃; for 48h; | A 6% B 2% C 92% |
- 7440-44-0
pyrographite
- 7783-55-3
trifluorophosphane
A
- 116-14-3
polytetrafluoroethylene
B
- 75-73-0
carbon tetrafluoride
| Conditions | Yield |
|---|---|
| In neat (no solvent) react. of C with PF3 in a Ni-tube at 1100°C;; | A 90% B 9% |
- 13169-00-1
Methoxyallene
A
- 75-73-0
carbon tetrafluoride
B
- 59426-77-6
heptafluoropropyl trifluoromethyl ether
| Conditions | Yield |
|---|---|
| With fluorine; sodium fluoride at -100 - -10℃; for 12h; | A n/a B 89% |
| Conditions | Yield |
|---|---|
| With antimony pentafluoride at 60℃; for 720h; | A n/a B 85% |
| Conditions | Yield |
|---|---|
| With fluorine; sodium fluoride at -196 - -80℃; for 12h; | A 85% B n/a |
| Conditions | Yield |
|---|---|
| With fluorine; sodium fluoride at -100 - -10℃; for 12h; | A n/a B 84% |
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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%.
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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, |