Products Categories
| CAS No.: | 115-25-3 |
|---|---|
| Name: | Octafluorocyclobutane |
| Molecular Structure: | |
|
|
|
| Formula: | C4F8 |
| Molecular Weight: | 200.031 |
| Synonyms: | Cyclobutane, octafluoro-;Octafluorocyclobutane;Perfluorocyclobutane;Freon C-318;FC-C 318;Propellant C318;R-C 318;1,1,2,2,3,3,4,4-Octafluorocyclobutane; |
| EINECS: | 204-075-2 |
| Density: | 1.66 g/cm3 |
| Melting Point: | -41.4 °C |
| Boiling Point: | -6 °C |
| Solubility: | Slightly soluble in water |
| Appearance: | Colorless gas |
| Hazard Symbols: |
 Xi
|
| Safety: | 23-38 |
| Transport Information: | UN 1976 |
| PSA: | 0.00000 |
| LogP: | 2.54120 |
- 144851-82-1METHYL2-AMINO-3-FLUOROBENZOATE
- 483366-12-7(2S,4R)-1-Boc-2-cyano-4-hydroxypyrrolidine
- 173606-50-3BOC-10-AMINODECANOIC ACID
- 361456-36-2METHYL (R)-(+)-ISOCYANATO-3-PHENYLPROPI&
- 5156-58-1N-(1-Benzyl-4-pipperidinyl)-N-phenylpropanamide HCl
- 81281-59-67-Benzylideneaminotheophylline
- 50288-62-5threo-Phenyl-2-piperidyl acetamide
- 82993-81-5D-threo-Ritalinic acid hydrochloride
- 47087-37-6Z-D-Glu-OMe
- 1219080-61-1IMIDAZOLE-2-BORONIC ACID
- 187737-37-7
propene
- 931-91-9
1,1,2,2,3,3-Hexafluoro-cyclopropane
A
- 116-14-3
polytetrafluoroethylene
B
- 373-94-4
1,1-difluoro-2-methylcyclopropane
C
- 115-25-3
Octafluorocyclobutane
D
- 374-30-1
1,1,2,2-tetrafluoro-3-methylcyclobutane
| Conditions | Yield |
|---|---|
| at 296℃; for 1h; sealed tube in vacuo; | A 16% B 100% C 9% D 21% |
| at 296℃; sealed tube in vacuo; | A 16% B 100% C 9% D 21% |
- 379-14-6
1,2,2,3,3-pentafluoro-1-difluoromethylcyclopropane
A
- 116-14-3
polytetrafluoroethylene
B
- 433-66-9
pentafloropropylene
C
- 931-91-9
1,1,2,2,3,3-Hexafluoro-cyclopropane
D
- 115-25-3
Octafluorocyclobutane
| Conditions | Yield |
|---|---|
| at 300℃; for 160h; Further byproducts given; | A 28% B 100% C 6% D 12% |
- 379-14-6
1,2,2,3,3-pentafluoro-1-difluoromethylcyclopropane
- 110-83-8
cyclohexene
A
- 116-14-3
polytetrafluoroethylene
B
- 433-66-9
pentafloropropylene
C
- 115-25-3
Octafluorocyclobutane
D
- 823-70-1
7,7-difluoronorcarane
| Conditions | Yield |
|---|---|
| at 200℃; for 320h; Further byproducts given; | A 14% B 99% C n/a D 47% |
- 379-14-6
1,2,2,3,3-pentafluoro-1-difluoromethylcyclopropane
- 110-83-8
cyclohexene
A
- 116-14-3
polytetrafluoroethylene
B
- 433-66-9
pentafloropropylene
C
- 201230-82-2
carbon monoxide
D
- 115-25-3
Octafluorocyclobutane
E
- 823-70-1
7,7-difluoronorcarane
F
- 7783-61-1
silicon tetrafluoride
| Conditions | Yield |
|---|---|
| With Pyrex tube at 200℃; for 320h; Product distribution; Mechanism; further periods of contact time, other temperatures; | A 14% B 99% C 11% D n/a E 47% F 13% |
- 75-01-4
chloroethylene
- 931-91-9
1,1,2,2,3,3-Hexafluoro-cyclopropane
A
- 116-14-3
polytetrafluoroethylene
B
- 115-25-3
Octafluorocyclobutane
C
- 54944-21-7
1,1-difluoro-2-chlorocyclopropane
| Conditions | Yield |
|---|---|
| at 294℃; for 1h; sealed tube in vacuo; | A 91% B 19% C 55% |
- 17065-31-5
1,2,3,4,7,7-hexafluorobicyclo<2,2,1>hepta-2,5-diene
A
- 115-25-3
Octafluorocyclobutane
B
- 551-62-2
1,2,3,4-tetrafluorobenzene
| Conditions | Yield |
|---|---|
| at 450℃; for 0.5h; | A 56% B 73% |
- 74-85-1
ethene
- 931-91-9
1,1,2,2,3,3-Hexafluoro-cyclopropane
A
- 116-14-3
polytetrafluoroethylene
B
- 558-29-2
2,2-difluorocyclopropane
C
- 374-12-9
1,1,2,2-tetrafluorocyclobutane
D
- 115-25-3
Octafluorocyclobutane
| Conditions | Yield |
|---|---|
| at 300℃; for 4h; sealed tube in vacuo; | A 16% B 68% C 63% D 15% |
| Conditions | Yield |
|---|---|
| With vanadium pentafluoride at 60℃; for 3h; closed tube; | 59% |
| With trichlorofluoromethane; fluorine at -70℃; | |
| With vanadium pentafluoride at 50 - 60℃; for 3h; | 59 % Turnov. |
| With vanadium pentafluoride at 50 - 60℃; for 3h; Product distribution; different time, temp.; | 59 % Turnov. |
- 116-14-3
polytetrafluoroethylene
- 460-96-8
bis(trifluoromethyl)phosphine
A
- 75-46-7
trifluoromethan
B
- 115-25-3
Octafluorocyclobutane
C
- 25196-27-4
Tetrafluorethylbis-trifluormethyl-phosphin
| Conditions | Yield |
|---|---|
| 200°C, 24 h; | A 7% B 53% C 46% |
| 200°C, 24 h; | A 7% B 53% C 46% |
- Total:19 Page 1 of 1 1
What can I do for you?
Get Best Price
Consensus Reports
EPA Genetic Toxicology Program. Reported in EPA TSCA Inventory.
Standards and Recommendations
DOT Classification: 2.2; Label: Nonflammable Gas
Specification
The Octafluorocyclobutane with CAS registry number of 115-25-3 is also known as Octafluorocyclobutane. The IUPAC name is 1,1,2,2,3,3,4,4-Octafluorocyclobutane. It belongs to product categories of Refrigerants; Organics. Its EINECS registry number is 204-075-2. In addition, the formula is C4F8 and the molecular weight is 200.03. It is a colorless gas that may cause inflammation to the skin or other mucous membranes. This chemical is used as a refrigerant in specialised applications and also can be usded as a deposition gas or etchant in the production semiconductor materials and devices. During using it, do not breathe gas/fumes/vapour/spray. In case of insufficient ventilation wear suitable respiratory equipment.
Physical properties about Octafluorocyclobutane are: (1)ACD/LogP: 0.40; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.4; (4)ACD/LogD (pH 7.4): 0.4; (5)ACD/BCF (pH 5.5): 1.19; (6)ACD/BCF (pH 7.4): 1.19; (7)ACD/KOC (pH 5.5): 39.49; (8)ACD/KOC (pH 7.4): 39.49; (9)Index of Refraction: 1.257; (10)Molar Refractivity: 19.5 cm3; (11)Molar Volume: 120 cm3; (12)Surface Tension: 11 dyne/cm; (13)Density: 1.66 g/cm3; (14)Enthalpy of Vaporization: 23.41 kJ/mol; (15)Vapour Pressure: 2220 mmHg at 25 °C.
Preparation of Octafluorocyclobutane: it is prepared by reaction of hexafluorocyclobutene. The reaction needs reagent VF5 at the temperature of 50-60 °C for 3 hours. The yield is about 59% Turnov.
Uses of Octafluorocyclobutane: it is used to produce difluoro-{1,1,2,2-tetrafluoro-2-[1,1,2,2-tetrafluoro-2-(1,1,2,2,2-pentafluoro-etho and 1-[2-(difluoro-iodo-methoxy)-1,1,2,2-tetrafluoro-ethoxy]-1,1,2,2-tetrafluoro-2-(1,1,2,2,2-pentafluoro-ethoxy)-ethane by reaction with silver 3,6,9-trioxa-F-undecanoate. The reaction occurs with reagent iodine at the temperature of 130 °C for 5 hours. The yield is about 67%.
![Octafluorocyclobutane is used to produce difluoro-{1,1,2,2-tetrafluoro-2-[1,1,2,2-tetrafluoro-2-(1,1,2,2,2-pentafluoro-etho and 1-[2-(difluoro-iodo-methoxy)-1,1,2,2-tetrafluoro-ethoxy]-1,1,2,2-tetrafluoro-2-(1,1,2,2,2-pentafluoro-ethoxy)-ethane by reaction with silver 3,6,9-trioxa-F-undecanoate.](/UserFilesUpload/Uses of Octafluorocyclobutane(1).png)
You can still convert the following datas into molecular structure:
1. Canonical SMILES: C1(C(C(C1(F)F)(F)F)(F)F)(F)F
2. InChI: InChI=1S/C4F8/c5-1(6)2(7,8)4(11,12)3(1,9)10
3. InChIKey: BCCOBQSFUDVTJQ-UHFFFAOYSA-N
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LCLo | inhalation | 78pph/2H (780000ppm) | Trudy Leningradskogo Sanitarno-Gigienicheskogo Meditsinskogo Instituta. Vol. 111, Pg. 39, 1975. |