Skip to main content

Hexabromocyclododecane

ADVERTISEMENT
Identification
Molecular formula
C12H18Br6
CAS number
3194-55-6
IUPAC name
1,3,5,7,9,11-hexabromocyclododecane
State
State

Hexabromocyclododecane is usually found in a solid state at room temperature. It exists as a powder or granular material, making it easy to handle and incorporate into materials where its flame retardant properties are required.

Melting point (Celsius)
190.00
Melting point (Kelvin)
463.15
Boiling point (Celsius)
300.00
Boiling point (Kelvin)
573.15
General information
Molecular weight
641.70g/mol
Molar mass
641.7000g/mol
Density
2.3605g/cm3
Appearence

Hexabromocyclododecane typically appears as a white, crystalline powder or granular solid. It is often used in industry as a flame retardant and is characterized by its brominated structure, which contributes to its white appearance.

Comment on solubility

Solubility of 1,3,5,7,9,11-hexabromocyclododecane

1,3,5,7,9,11-hexabromocyclododecane, a polybrominated compound, exhibits unique solubility characteristics due to its complex structure and halogen substituents. The presence of multiple bromine atoms significantly influences its solubility in various solvents. Key points regarding the solubility are:

  • Nonpolar Solvents: This compound tends to be soluble in nonpolar solvents due to its hydrophobic nature. Typical solvents may include toluene and hexane.
  • Aqueous Solubility: It displays limited solubility in water, primarily due to the strong intermolecular forces between water molecules and the significant number of bromine atoms that hinder interactions with polar solvents.
  • Temperature Effects: The solubility can increase at higher temperatures, which is often a common behavior of many organic compounds.
  • Environmental Impact: Its low solubility in water raises concerns regarding its persistence in aquatic environments, leading to bioaccumulation and potential toxicity to aquatic organisms.

In summary, the solubility of 1,3,5,7,9,11-hexabromocyclododecane is dictated by its nonpolar characteristics, making it soluble in organic solvents while exhibiting minimal solubility in water. This has implications for its applications and environmental considerations.

Interesting facts

Exploring 1,3,5,7,9,11-Hexabromocyclododecane

1,3,5,7,9,11-Hexabromocyclododecane, often abbreviated as HBCDD, is an intriguing chemical compound known for its unique structure and applications.

Key Characteristics

  • Structure: HBCDD features a cyclic structure with a total of 12 carbon atoms, which contributes to its distinctive properties.
  • Bromination: The presence of six bromine atoms enhances its flame-retardant characteristics, making it valuable in various industries.
  • Applications: This compound is primarily used in the manufacturing of products such as textiles, foams, and plastics.

Environmental Considerations

Despite its beneficial applications, HBCDD has garnered attention for its potential environmental impacts:

  • Persistent Organic Pollutant: HBCDD is classified as a persistent organic pollutant (POP), which means it can remain in the environment for extended periods.
  • Bioaccumulation: Studies indicate that HBCDD can accumulate in living organisms, raising concerns about its long-term ecological effects.

Regulatory Status

Due to its environmental implications, the use of HBCDD has faced tightening regulations. For instance:

  • It was listed under the Stockholm Convention on Persistent Organic Pollutants, leading to restrictions on its use and production.
  • Alternatives are being researched and developed to reduce reliance on HBCDD in various applications.

In conclusion, while 1,3,5,7,9,11-Hexabromocyclododecane serves important functions in providing flame resistance, its environmental persistence necessitates caution and responsibility in its use. As scientists and industries work toward safer alternatives, the study of compounds like HBCDD serves as a reminder of the delicate balance between utility and safety in chemical applications.

Synonyms
SAYTEX HBCD
RefChem:217126
PYROVATEX 3887
DTXSID8025383
5I9835JO3M
DTXCID601518531
247-148-4
25637-99-4
Cyclododecane, hexabromo-
HBCDD
Hexabromocyclododecane
1,3,5,7,9,11-hexabromocyclododecane
1093632-34-8
Hexabromocyclododecane (Mixture of Diastereomers)
Hexabromocyclododecane (Mixture of ?-Hexabromocyclododecane, ss-Hexabromocyclododecane,a-Hexabromocyclododecane, 1,2,5,6,9,10-Hexabromocyclododecane, and Hexabromocyclododecane (Undefined);
SCHEMBL942763
DTXSID20891513
LEOCKULGXOQRTQ-UHFFFAOYSA-N
NS00134712