DIBROMODIFLUOROMETHANE

DIBROMODIFLUOROMETHANE Basic information
Product Name:DIBROMODIFLUOROMETHANE
Synonyms:Carbonbromidefluoride(CBr2F2);dibromodifluoromethane CBr2F2;Carbondibromidedifluoride;dfbm;dibromodifluoro-methan;F12B2;Freon 12-B2;freon12b2
CAS:75-61-6
MF:CBr2F2
MW:209.82
EINECS:200-885-5
Product Categories:refrigerants;Alkyl;Halogenated Hydrocarbons;Organic Building Blocks
Mol File:75-61-6.mol
DIBROMODIFLUOROMETHANE Structure
DIBROMODIFLUOROMETHANE Chemical Properties
Melting point -141 °C
Boiling point 24.5 °C
density 2.297 g/mL at 25 °C(lit.)
vapor density 7.24 (vs air)
vapor pressure 12.79 psi ( 20 °C)
refractive index 1.398-1.402
Fp None
storage temp. 2-8°C
solubility Soluble in acetone, alcohol, benzene, and ether (Weast, 1986)
form Colorless liquid or gas
Water Solubility Insoluble
BRN 1732515
Henry's Law Constant1.72 x 10-2 atm?m3/mol at 26 °C (static headspace-GC, Saini et al., 2002)
Exposure limitsNIOSH REL: TWA 100 ppm (860 mg/m3), IDLH 2,000 ppm; OSHA PEL: TWA 100 ppm.
CAS DataBase Reference75-61-6(CAS DataBase Reference)
NIST Chemistry ReferenceMethane, dibromodifluoro-(75-61-6)
EPA Substance Registry SystemDibromodifluoromethane (75-61-6)
Safety Information
Hazard Codes Xi,N
Risk Statements 36/37/38-59
Safety Statements 37/39-26-59
RIDADR 1941
WGK Germany 3
RTECS PA7525000
Hazard Note Irritant
HazardClass 9
PackingGroup III
HS Code 29034700
Hazardous Substances Data75-61-6(Hazardous Substances Data)
ToxicityA 15-min exposure to 6,400 and 8,000 ppm were fatal to rats and mice, respectively (Patnaik, 1992).
IDLA2,000 ppm
MSDS Information
ProviderLanguage
ACROS English
DIBROMODIFLUOROMETHANE Usage And Synthesis
Chemical Propertiesclear colorless to pale yellow liquid
Physical propertiesColorless liquid or gas with a characteristic odor
UsesSynthesis of dyes; quaternary ammonium compounds; pharmaceuticals; fire-extinguishing agent.
UsesFire-extinguishing agent
General DescriptionDIBROMODIFLUOROMETHANE is a colorless, nonflammable liquid. DIBROMODIFLUOROMETHANE may cause illness from ingestion and may be irritating to skin. If exposed to high temperatures DIBROMODIFLUOROMETHANE may emit toxic fumes. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Since DIBROMODIFLUOROMETHANE is a liquid DIBROMODIFLUOROMETHANE can easily penetrate the soil and contaminate groundwater and nearby streams. DIBROMODIFLUOROMETHANE is used as a fire extinguishing agent.
Reactivity ProfileDIBROMODIFLUOROMETHANE is incompatible with the following: Chemically-active metals such as sodium, potassium, calcium, powdered aluminum, zinc & magnesium .
Health HazardInhalation of material may be harmful. Contact may cause burns to skin and eyes. Inhalation of Asbestos dust may have a damaging effect on the lungs. Fire may produce irritating, corrosive and/or toxic gases. Some liquids produce vapors that may cause dizziness or suffocation. Runoff from fire control may cause pollution.
Fire HazardSome may burn but none ignite readily. Containers may explode when heated. Some may be transported hot.
Safety ProfileMddly toxic by inhalation. A non-flammable liquid. When heated to decomposition it emits very toxic fumes of Brand F-
DIBROMODIFLUOROMETHANE Preparation Products And Raw materials
Preparation ProductsTriMethyl(broModifluoroMethyl)silane-->Perfiuoroisobutylene-->2,6-BIS(TRIFLUOROMETHYL)PYRIDINE-->3-BROMO-3,3-DIFLUOROPROPENE-->(BROMODIFLUOROMETHYL)TRIPHENYLPHOSPHONIUM BROMIDE-->1,4-DIBROMO-2,3-DIFLUOROBENZENE-->BROMODIFLUOROMETHANE-->2,2'-spirobi<1,3-benzodithiole>-->1,3-DIBROMO-1,1-DIFLUOROHEPTANE-->3-BROMO-3,5-DIFLUOROPROPANAL DIETHYL ACETAL
1,1,1,2,3,3,3-Heptafluoropropane methoxyflurane Halothane Dibromofluoromethane BROMODIFLUOROMETHANE Difluoromethane Dibromomethane Methyl bromide

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