技术文章

2,2',3,3',4,4',6,6'-Octabromodiphenyl Ether: Properties & Lab Guide

2,2',3,3',4,4',6,6'-Octabromodiphenyl ether is a highly brominated diphenyl ether congener belonging to the polybrominated diphenyl ether (PBDE) family, widely used as a reference standard in environmental monitoring, toxicological research, and flame-retardant analysis.

Chemical Name
2,2',3,3',4,4',6,6'-Octabromodiphenyl ether
SKU
O1539532
Compound Class
Polybrominated diphenyl ether (PBDE), brominated flame retardant
Number of Bromine Substituents
8 bromine atoms on the diphenyl ether scaffold
Regulatory Status
Subject to restriction under Stockholm Convention (PBDEs listed as persistent organic pollutants)
Primary Use in Research
Analytical reference standard for environmental and toxicological studies

Chemical Identity and Structure

2,2',3,3',4,4',6,6'-Octabromodiphenyl ether (OctaBDE) is a member of the polybrominated diphenyl ether (PBDE) class of compounds, characterised by a diphenyl ether core in which eight hydrogen atoms—at the 2, 3, 4, and 6 positions on each phenyl ring—are substituted by bromine. This specific substitution pattern distinguishes it from other octabrominated congeners. The compound carries a high molecular weight due to the eight bromine atoms, conferring considerable lipophilicity and thermal stability. PBDEs in general are planar, aromatic molecules that can interact with biological receptors structurally similar to those targeted by polychlorinated biphenyls (PCBs), which is relevant to their toxicological profile. As a pure congener standard, SKU O1539532 from Aladdin Scientific enables precise identification and quantification of this specific PBDE in complex environmental or biological matrices.

Safe Handling and Storage Protocols

As a halogenated aromatic compound with persistent organic pollutant (POP) characteristics, 2,2',3,3',4,4',6,6'-Octabromodiphenyl ether requires careful handling in accordance with institutional chemical safety guidelines. The following precautions are recommended:

  • Personal Protective Equipment (PPE): Wear chemical-resistant gloves (nitrile or equivalent), a laboratory coat, and safety glasses or a face shield when handling the compound in solid or solution form.
  • Ventilation: Work under a certified fume hood to minimise inhalation of dust or vapours.
  • Storage: Store in a tightly sealed container in a cool, dry, well-ventilated location, away from heat sources and incompatible materials such as strong oxidising agents. Follow supplier-specified storage temperature recommendations.
  • Waste Disposal: Dispose of all waste—including contaminated materials, solvents, and packaging—in accordance with local regulations for halogenated organic waste. Do not discharge to drain or environment.
  • Spill Management: Contain spills promptly using appropriate absorbent material; decontaminate the area and dispose of waste as halogenated hazardous waste.

Consult the Safety Data Sheet (SDS) for SKU O1539532 before first use, and ensure all personnel are trained in PBDE handling protocols.

Regulatory and Environmental Compliance

Polybrominated diphenyl ethers, including octabrominated congeners, are subject to international regulatory controls due to their persistence, bioaccumulation potential, and toxicity. Key regulatory frameworks include:

  • Stockholm Convention: Commercial OctaBDE mixtures (and other PBDE mixtures) are listed as persistent organic pollutants (POPs) subject to global elimination or restriction. Research use of pure congener standards such as O1539532 may be permissible under exemptions; researchers should verify applicability with their national competent authority.
  • RoHS Directive (EU): PBDEs are restricted in electrical and electronic equipment under the European Union's Restriction of Hazardous Substances Directive.
  • REACH Regulation (EU): PBDEs may be subject to authorisation or restriction requirements under REACH; consult the ECHA database for current status.
  • Import/Export Controls: International movement of PBDE standards may require prior informed consent (PIC) procedures under the Rotterdam Convention. Procurement teams should verify import/export requirements before ordering.

All users are responsible for ensuring that acquisition, use, and disposal of this compound comply with applicable national and international regulations.

Analytical Applications and Method Guidance

As a certified or high-purity reference standard, 2,2',3,3',4,4',6,6'-Octabromodiphenyl ether (SKU O1539532) is employed across a range of analytical workflows:

  • Environmental Monitoring: Used to prepare calibration standards and spiking solutions for the determination of OctaBDE in water, sediment, soil, and air samples by gas chromatography coupled with mass spectrometry (GC-MS or GC-MS/MS).
  • Biological Matrix Analysis: Supports quantification of PBDE bioaccumulation in tissues, blood, and breast milk within toxicokinetic and exposure assessment studies.
  • Method Validation: Serves as a reference compound for validating extraction efficiency, recovery, and instrument response in multi-residue PBDE analytical methods.
  • Toxicological Research: Applied in in vitro and in vivo studies investigating endocrine disruption, neurotoxicity, and thyroid hormone interference associated with brominated flame retardants.

When preparing working solutions, use high-purity solvents such as isooctane, hexane, or toluene. Prepare stock solutions under inert atmosphere if long-term stability is required, and store aliquots at –20 °C or as indicated in the product specification sheet. Always verify instrument calibration with certified reference materials before sample analysis.

Frequently asked questions

What is the difference between OctaBDE as a commercial mixture and the pure congener standard O1539532?

Commercial OctaBDE flame-retardant mixtures contain a range of brominated diphenyl ether congeners with varying degrees of bromination. In contrast, O1539532 is a pure, single congener—specifically 2,2',3,3',4,4',6,6'-Octabromodiphenyl ether—intended for use as an analytical reference standard. Its defined chemical identity and high purity make it suitable for calibration, method validation, and toxicological research rather than industrial flame-retardant applications.

Which solvents are recommended for preparing stock solutions of this compound?

High-purity non-polar or mildly polar organic solvents such as isooctane, n-hexane, or toluene are commonly used for PBDE stock solutions. The choice of solvent should be compatible with the downstream analytical method (e.g., GC-MS). Avoid protic solvents such as methanol or water, which may reduce solubility and stability.

Is a permit required to purchase or use this compound in the laboratory?

Regulatory requirements vary by country and institutional policy. Because 2,2',3,3',4,4',6,6'-Octabromodiphenyl ether is related to POP-listed PBDE mixtures under the Stockholm Convention, some jurisdictions may require documentation or permits for procurement and use. Researchers should consult their institutional safety officer and relevant national environmental or chemical regulatory authority before ordering.

How should waste containing this compound be disposed of?

All waste containing 2,2',3,3',4,4',6,6'-Octabromodiphenyl ether—including contaminated solvents, gloves, and packaging—must be segregated and disposed of as halogenated hazardous waste in accordance with local, national, and institutional regulations. Do not pour solutions down the drain or dispose of solid waste in general laboratory refuse. Contact your institutional environmental health and safety (EHS) office for approved waste collection procedures.

References

  1. Stockholm Convention on Persistent Organic Pollutants. Annex A, B, C listings including polybrominated diphenyl ethers. UNEP, 2009 amendment.
  2. European Parliament and Council. Directive 2011/65/EU on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS recast).
  3. de Wit CA. An overview of brominated flame retardants in the environment. Chemosphere. 2002;46(5):583-624. doi:10.1016/S0045-6535(01)00225-9
  4. Hale RC, Alaee M, Manchester-Neesvig JB, Stapleton HM, Ikonomou MG. Polybrominated diphenyl ether flame retardants in the North American environment. Environment International. 2003;29(6):771-779. doi:10.1016/S0160-4120(03)00113-2

Products are supplied for research and development use only. Not for use in humans, animals, diagnosis, or therapy.

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Da — 若无特别说明,分子量单位默认为道尔顿。   Mw — 重均分子量。   Mn — 数均分子量。

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阿拉丁科学.《2,2',3,3',4,4',6,6'-Octabromodiphenyl Ether: Properties & Lab Guide》. 阿拉丁知识库,更新于 2026年11月6日。 https://www.aladdin-e.com/zh_cn/faqs/2233446-6-octabromodiphenyl-ether-properties-lab-guide-en.html
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