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HomeProduct name list1,8-Dibromooctane

1,8-Dibromooctane

Synonym(s):Octamethylene dibromide

  • CAS NO.:4549-32-0
  • Empirical Formula: C8H16Br2
  • Molecular Weight: 272.02
  • MDL number: MFCD00000277
  • EINECS: 224-912-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-03 16:17:04
1,8-Dibromooctane Structural

What is 1,8-Dibromooctane?

Chemical properties

colourless to pale yellow liquid. insoluble in water.

The Uses of 1,8-Dibromooctane

1,8-Dibromooctane is used as an additive in the preparation poly[[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b']dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl]]:[6,6]-phenylC71-butyric acid methyl ester, which finds application in the fabrication of organic photovoltaics (OPVs). Further, it is used in the preparation of (1,4-bis-(8-bromooctyloxy)-benzene).

What are the applications of Application

1,8-Dibromooctane is used as a reagent in the synthesis of novel 7-aminoalkyl-substituted flavonoid derivatives as potential cholinesterase inhibitors and 3,3’-(Octane-1,8-diyl)bis(1-ethyl-imidazolium) bromide.

Synthesis Reference(s)

The Journal of Organic Chemistry, 30, p. 780, 1965 DOI: 10.1021/jo01014a031

Synthesis

1,8-Dibromooctane was prepared by the reaction of cyclooctene with sulfuric acid and hydrobromination under the catalyst.

Properties of 1,8-Dibromooctane

Melting point: 12-16 °C (lit.)
Boiling point: 270-272 °C (lit.)
Density  1.477 g/mL at 25 °C (lit.)
refractive index  n20/D 1.498(lit.)
Flash point: >230 °F
storage temp.  Sealed in dry,Room Temperature
solubility  Chloroform (Sparingly), Hexanes (Slightly)
form  Liquid
color  Clear yellow
Specific Gravity 1.465
Water Solubility  Insoluble
BRN  1698114
Dielectric constant 7.4299999999999997
Stability: Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.
CAS DataBase Reference 4549-32-0(CAS DataBase Reference)
NIST Chemistry Reference Octane, 1,8-dibromo-(4549-32-0)
EPA Substance Registry System Octane, 1,8-dibromo- (4549-32-0)

Safety information for 1,8-Dibromooctane

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

Computed Descriptors for 1,8-Dibromooctane

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