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1,2-Dibromopropane

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CAS:78-75-1
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1,2-Dibromopropane Basic information
Product Name:1,2-Dibromopropane
Synonyms:Propane,1,2-dibromo-;1,2-Dibromopropane,97%;1,2-DIBROMOPROPANE;11,2-DIBROMOPROPANE;1,2-Dibromopropane,99%;(RS)-Dibromopropane;Propylene Bromide Propylene Dibromide;1.2-DibroMopro
CAS:78-75-1
MF:C3H6Br2
MW:201.89
EINECS:201-139-1
Product Categories:
Mol File:78-75-1.mol
1,2-Dibromopropane Structure
1,2-Dibromopropane Chemical Properties
Melting point -55 °C
Boiling point 140-142 °C(lit.)
density 1.937 g/mL at 25 °C(lit.)
refractive index n20/D 1.519(lit.)
Fp 35 °C
storage temp. Flammables area
solubility organic solvents: miscible
form clear liquid
color Colorless to Light yellow to Light orange
Water Solubility slightly soluble
Merck 14,7853
BRN 1718884
Dielectric constant4.2999999999999998
Stability:Stable. Flammable. Incompatible with strong oxidizing agents, strong bases, magnesium.
CAS DataBase Reference78-75-1(CAS DataBase Reference)
NIST Chemistry ReferencePropane, 1,2-dibromo-(78-75-1)
EPA Substance Registry System1,2-Dibromopropane (78-75-1)
Safety Information
Hazard Codes Xn
Risk Statements 10-20/22-36/37/38-20/21/22-40
Safety Statements 23-24/25-36/37/39-26-16-45-27
RIDADR UN 1993 3/PG 3
WGK Germany 3
RTECS TX8574000
TSCA Yes
HazardClass 3
PackingGroup III
HS Code 29033036
Hazardous Substances Data78-75-1(Hazardous Substances Data)
MSDS Information
ProviderLanguage
Propylene dibromide English
SigmaAldrich English
ACROS English
ALFA English
1,2-Dibromopropane Usage And Synthesis
Chemical Properties1,2-Dibromopropane is considered non-flammable and non-explosive liquid.
Uses1,2-Dibromopropane is used in organic synthesis and solvent. It was used to study the effect of reductant concentration, reductant contact time and suspension pH on reductive dechlorination of carbon tetrachloride by soil manipulated with Fe(II) and HS-. It was used as internal standard during the determination of nitrogenous disinfection byproduct trichloronitromethane by gas chromatography mass spectrometry.
Preparation1,2-Dibromopropane is synthesized from bromopropane by bromination.
First mix bromopropane and iron powder, heat to 40-50°C, slowly add bromine, and continue to reflux for 2h after adding. Then, the iron slag was filtered off, and the filtrate was washed several times with water, once with 5% sodium carbonate solution, and then with 5% sodium thiosulfate solution to remove free bromine. Dry with anhydrous calcium chloride. Fractional distillation, collecting 139-142 ℃ fraction is the finished product of 1,2-dibromopropane.
ApplicationPhotodissociation dynamics of 1,2-dibromopropane at 234 and 265 nm has been investigated by using velocity map ion imaging method. 1,2-Dibromopropane was used to study the effect of reductant concentration, reductant contact time and suspension pH on reductive dechlorination of carbon tetrachloride by soil manipulated with Fe(II) andHS-. It was used as internal standard during the determination of nitrogenous disinfection byproduct trichloronitromethane by gas chromatography mass spectrometry.
General Description1,2-dibromopropane is a colorless liquid. Prepared from propyl bromide and Br in the presence of AlCl3 or AlBr3. (NTP, 1992)
Air & Water ReactionsInsoluble in water.
Reactivity ProfileHalogenated aliphatic compounds, such as 1,2-Dibromopropane, are moderately or very reactive. Reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms. Materials in this group may be incompatible with strong oxidizing and reducing agents. Also, they may be incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides. 1,2-Dibromopropane is considered nonflammable.
Fire Hazard1,2-Dibromopropane is considered non-flammable.
Biochem/physiol Actions1,2-Dibromopropane induces hepatotoxicity and immunotoxicity in female BALB/c mice.
Tag:1,2-Dibromopropane(78-75-1) Related Product Information
2-Bromopropane 1-Bromopropane 2,3-Dibromopropionic acid PROPYLENE 1,3-Dibromo-5,5-dimethylhydantoin meso-2,3-Dibromosuccinic acid 1,2-Dibromoethane PROPYLENE GLYCOL Ethyl 2,3-dibromopropionate (1,2-DIBROMOETHYL)BENZENE 2-Bromoisobutyryl Bromide Hexabromocyclododecane 1,2-Dibromobutane 2,3-DIBROMOBUTANE 3-Chloro-1,2-dibromopropane 98%,3-CHLORO-1,2-DIBROMOPROPANE,1-CHLORO-2 3-DIBROMOPROPANE 1,3-Dibromopropane 2,3-Dibromopropionyl chloride 1,2-DIBROMO-1,2-DIPHENYLETHANE