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Cas Database |
| Name |
Bromotrifluoromethane |
EINECS | 200-887-6 | |
| CAS No. | 75-63-8 | Density | 1.58 | |
| PSA | 0.00000 | LogP | 1.90110 | |
| Solubility | 0.03 wt % at 20 °C (NIOSH, 1997) | Melting Point |
-168°C |
|
| Formula | CBr F3 | Boiling Point | -58°C | |
| Molecular Weight | 148.91 | Flash Point | N/A | |
| Transport Information | N/A | Appearance | N/A | |
| Safety | Mildly toxic by inhalation. Incompatible with aluminum. When heated to decomposition it emits toxic fumes of F− and Br−. See also BROMIDES and FLUORIDES. | |||
Analytical Methods: | For occupational chemical analysis use NIOSH: see Bromotrifluoromethane, 1017. |
Risk Codes | 20 | |
| Molecular Structure |
|
Hazard Symbols | TLV: 1000 ppm. | |
| Synonyms |
Bromofluoroform;Bromotrifluoromethane;CFC 13B1;Carbon bromide fluoride (CBrF3);Carbonmonobromide trifluoride;Daiflon 13B1;F 13B1;FC 13B1;FKWR 13B1;Flugex 13B1;Fluorocarbon 1301;Freon 13B1;Halon 1301;Halon 13B1;Khladon 13B1;Monobromotrifluoromethane;Perfluoromethyl bromide;R 13B1;Refrigerant 13B1;Trifluorobromomethane;Trifluoromethyl bromide;Trifluoromonobromomethane; |
Article Data | 104 |
Bromotrifluoromethane Synthetic route
| Conditions | Yield |
|---|---|
| With bromine byproducts: phophorus bromide; 280°C (48 h); | 94% |
| Conditions | Yield |
|---|---|
| With bromine(I) fluorosulfate for 2h; Ambient temperature; | 88% |
| With bromine; pyrographite at 540℃; |
- 116-14-3
polytetrafluoroethylene
- 70142-16-4
Bromine(I) trifluoromethanesulfonate
A
- 75-63-8
Bromotrifluoromethane
B
- 3582-05-6
trifluoromethyl trifluoromethanesulfonate
C
- 73323-42-9
Trifluoro-methanesulfonic acid 2-bromo-1,1,2,2-tetrafluoro-ethyl ester
| Conditions | Yield |
|---|---|
| at -111 - -55℃; for 10h; | A n/a B n/a C 83% |
| Conditions | Yield |
|---|---|
| With bromine; aluminum(III) fluoride; CoCl2 + PdCl2; nickel dichloride at 456.9℃; for 0.00277778h; | A 76.4% B n/a |
| With bromine Product distribution; Heating; optimization in dependence on temperature and catalysts: KF, CaCl2, NaF, CuCl2, KBr, FeCl3, TiCl2, CoCl2, CrCl3, NiCl2 on activated charcoal or AlF3; |
| Conditions | Yield |
|---|---|
| With lithium bromide at 330℃; for 5h; | A 31% B 65% |
- 79-35-6
1,1'-dichloro-2,2'-difluoroethene
- 178984-96-8
C4BrF9O
A
- 75-63-8
Bromotrifluoromethane
B
- 684-16-2
Hexafluoroacetone
| Conditions | Yield |
|---|---|
| at -88 - 25℃; for 12h; Yields of byproduct given. Title compound not separated from byproducts; | A n/a B n/a C 37% D n/a |
| at -83 - 24℃; for 12h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
- 354-38-1
2,2,2-trifluoroacetamide
A
- 75-63-8
Bromotrifluoromethane
B
- 2923-18-4
sodium 2,2,2-trifluoroacetate
| Conditions | Yield |
|---|---|
| In alcaline soln. at 0°C.; | A 34% B n/a |
| In alcaline soln. at 0°C.; | A 34% B n/a |
- 116-14-3
polytetrafluoroethylene
- 178984-96-8
C4BrF9O
A
- 75-63-8
Bromotrifluoromethane
B
- 684-16-2
Hexafluoroacetone
| Conditions | Yield |
|---|---|
| at -85 - 25℃; for 12h; Yields of byproduct given. Title compound not separated from byproducts; | A n/a B n/a C 33% |
| Conditions | Yield |
|---|---|
| In alcaline soln. at 60-70°C.; | 11% |
| In alcaline soln. at 60-70°C.; | 11% |
| In water formation on heating;; | |
| In water formation on heating;; |
| Conditions | Yield |
|---|---|
| With bromine at 850℃; |
Bromotrifluoromethane Chemical Properties
IUPAC Name: Bromo(trifluoro)methane (75-63-8)
Synonyms: Bromotrifluoro-methan ; Bromotrifluorormethane ; Bromtrifluormethan ; Carbon monobromide trifluoride ; Carbonbromidefluoride(CBrF3) ; Carbonmonobromidetrifluoride ; CBrF3
CAS: 75-63-8
Molecular Formula: CBrF3
Molecular Weight: 148.91
Molecular Structure:
EINECS: 200-887-6
Product Categories: Industrial/Fine Chemicals;CFC;refrigerants;Organics
Mol File: 75-63-8.mol
Surface Tension: 15.3 dyne/cm
Density: 1.995 g/cm3
Enthalpy of Vaporization: 19.68 kJ/mol
Boiling Point: -58°C
Melting point:-168°C
Vapour Pressure: 9740 mmHg at 25°C
Bromotrifluoromethane Uses
Bromo(trifluoro)methane (75-63-8) is used fire-fighting for a variety of organic ,such as oil, electrical equipment, organic solvents, natural gas.
Bromotrifluoromethane Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| dog | LC | inhalation | > 30pph/15M (300000ppm) | BEHAVIORAL: TREMOR GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS | National Technical Information Service. Vol. OTS0571524, |
| guinea pig | LC50 | inhalation | 88000ppm/15M (88000ppm) | "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 6, Pg. 1640, 1991. | |
| man | LC | inhalation | > 15pph/1M (150000ppm) | BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS" CARDIAC: PULSE RATE INCREASE WITHOUT FALL IN BP | National Technical Information Service. Vol. OTS0571524, |
| mouse | LC50 | inhalation | 381gm/m3 (381000mg/m3) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 26(8), Pg. 53, 1982. | |
| rat | LC50 | inhalation | 84000ppm/15M (84000ppm) | "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 6, Pg. 1640, 1991. |
Bromotrifluoromethane Consensus Reports
Reported in EPA TSCA Inventory.
Bromotrifluoromethane Safety Profile
Risk Statements 20
20: Bromo(trifluoro)methane (75-63-8) is harmful by inhalation.
Safety Statements 23-36/37/39-38
23: Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer)
38: In case of insufficient ventilation, wear suitable respiratory equipment
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
RIDADR 1009
HazardClass 2.2
Bromotrifluoromethane Standards and Recommendations
OSHA PEL: TWA 1000 ppm
ACGIH TLV: TWA 1000 ppm
DFG MAK: 1000 ppm (6200 mg/m3)
DOT Classification: 2.2; Label: Nonflammable Gas
Bromotrifluoromethane Analytical Methods
For occupational chemical analysis use NIOSH: see Bromotrifluoromethane, 1017.
Bromotrifluoromethane Specification
1.General Description A colorless, odorless gas at room conditions Shipped as a liquid confined under its own vapor pressure. Noncombustible. Nontoxic but can asphyxiate by the displacement of air. Contact with the unconfined liquid can cause frostbite by evaporative cooling. Exposure of the container to prolonged heat or fire can cause Bromotrifluoromethane to rupture violently and rocket.
3.Air & Water Reactions Slightly soluble in water.
4.Reactivity Profile: Bromotrifluoromethane may react with aluminum to produce substantial heat. Other halogenated hydrocarbons, such as fluorotrichloromethane, dichlorodifluoromethane, chlorodifluoromethane, tetrafluoromethane produce sufficient heat in this way to melt aluminum pieces. The vigor of the reaction appears to depend on the degree of fluorination and the vapor pressure
5..Health Hazard Vapors may cause dizziness or asphyxiation without warning. Vapors from liquefied gas are initially heavier than air and spread along ground. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire may produce irritating, corrosive and/or toxic gases.
6.Fire Hazard Some may burn but none ignite readily. Containers may explode when heated. Ruptured cylinders may rocket.
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