1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene

C9H4Cl8O

CAS297-78-9
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
297-78-9
EC Number
206-045-4
UN Number
2761
Index Number
602-053-00-0
PubChem CID
9271

Physical-chemical properties

Molecular Formula
C9H4Cl8O
Molar Mass
411.70 g/mol
IUPAC Name
1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene

Chemical Identifiers

InChI
InChI=1S/C9H4Cl8O/c10-3-4(11)8(15)2-1(5(12)18-6(2)13)7(3,14)9(8,16)17/h1-2,5-6H
InChI Key
LRWHHSXTGZSMSN-UHFFFAOYSA-N

Overview

1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene (CAS 297-78-9) is a highly chlorinated organochlorine compound with exceptional chemical stability and potent biological activity. This complex tricyclic molecule, with the molecular formula C9H4Cl8O and a molecular weight of 411.7 g/mol, represents one of the most heavily chlorinated organic compounds used in industrial applications. The substance features a unique oxatricyclic structure containing eight chlorine atoms strategically positioned throughout the molecular framework, contributing to its remarkable chemical resistance and persistence. Its EC number 206-045-4 identifies it within European chemical regulations, where it is classified under multiple hazard categories including Acute Toxicity Category 1 and 2, as well as Aquatic Acute Category 1, reflecting both its potent biological effects and environmental concerns. The compound's highly chlorinated nature places it in a specialized category of organochlorine chemicals, distinct from simpler phosphorus-containing compounds like diethoxyphosphoryl diethyl phosphate, though both classes find applications in industrial chemical processes. Safety considerations are paramount when handling this material, as indicated by the GHS06 and GHS09 pictograms signaling both acute toxicity and environmental hazards. Transportation requires adherence to ADR Class 6.1 regulations for toxic substances. Industrial applications primarily leverage the compound's chemical stability and resistance to degradation in specialized chemical synthesis processes, advanced materials manufacturing, and as an intermediate in the production of specialized industrial chemicals. Its unique molecular architecture makes it particularly valuable in applications requiring extreme chemical resistance. OYSI maintains reliable supply chains for this specialized chemical compound, ensuring availability for qualified industrial customers across Europe.

Safety & Classification

Danger
Classification:

Acute Tox. 1; Acute Tox. 2 *; Aquatic Acute 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H310

Fatal in contact with skin.

H300

Fatal if swallowed.

H400

Very toxic to aquatic life.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Skin Contact

Fatal

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Ingestion

Fatal

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number2761
ADR Class6.1
Packing GroupI
Tunnel CodeC/E
Proper Shipping NameIsobenzan (ISO)
Marine PollutantNo

Frequently Asked Questions

What is 1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene?

1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene is a highly chlorinated organic compound with the molecular formula C9H4Cl8O and molecular weight of 411.7 g/mol. This substance features a complex tricyclic structure containing eight chlorine atoms and one oxygen atom. It is classified as a highly toxic material with acute toxicity category 1 and poses significant environmental hazards to aquatic life.

What are the physicochemical properties of 1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene?

1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene is a solid compound at room temperature due to its high molecular weight and extensive chlorination. The substance typically appears as a crystalline material with low volatility. Its high chlorine content significantly affects its solubility properties, making it poorly soluble in water but more soluble in organic solvents. The compound's stability and physical characteristics are influenced by its rigid tricyclic structure.

What is 1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene used for?

1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene is primarily used in specialized chemical synthesis and research applications. Due to its highly chlorinated structure, it may serve as an intermediate in organic synthesis or as a specialty chemical in specific industrial processes. Given its high toxicity classification, its applications are strictly limited to professional use under controlled conditions where appropriate safety measures can be implemented.

How to handle 1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene safely?

1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene requires extreme caution during handling due to its Acute Tox. 1 classification. Essential PPE includes chemical-resistant gloves, protective clothing, eye protection, and respiratory protection. Work must be conducted in well-ventilated areas or under fume hoods. Avoid skin contact, inhalation, and ingestion. Only trained personnel should handle this substance, and emergency procedures must be readily available.

How to store 1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene correctly?

1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene must be stored in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Use tightly sealed containers to prevent contamination and exposure. Storage areas should be restricted to authorized personnel only due to the substance's high toxicity. Implement appropriate containment measures to prevent environmental release, considering its aquatic toxicity classification.

What to do in case of contact with 1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene?

Immediate action is critical if contact occurs with 1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene due to its extreme toxicity. For skin contact, immediately remove contaminated clothing and flush with plenty of water. If inhaled, move to fresh air immediately. In case of eye contact, rinse thoroughly with water. For ingestion, do not induce vomiting and seek immediate medical attention. Contact emergency services immediately in all cases.

How to dispose of 1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene properly?

1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene disposal must comply with strict hazardous waste regulations due to its high toxicity and environmental hazards. The substance requires disposal through licensed hazardous waste facilities equipped to handle highly toxic materials. Never dispose of in regular waste streams or release into the environment. Consult local environmental authorities and follow all applicable national and EU waste directives for proper disposal procedures.

How to transport 1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene?

1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene is classified under ADR Class 6.1, Packing Group I, indicating it is highly toxic material requiring strict transport protocols. Specialized packaging meeting UN specifications is mandatory, along with proper labeling and documentation. Only authorized carriers trained in hazardous material transport can handle shipments. Emergency response information must accompany all shipments, and specific routing restrictions may apply.

Is 1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene subject to special regulations?

1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene is subject to comprehensive EU chemical regulations including REACH registration requirements and CLP classification as a highly toxic substance. While not currently listed as a SVHC, its Acute Tox. 1 classification subjects it to strict handling, labeling, and safety data sheet requirements. Additional national restrictions may apply, and users must ensure compliance with all applicable environmental and occupational safety regulations.

Where to buy 1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene in Europe?

1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene is available through OYSI, a specialized European distributor of technical chemicals. As an established supplier, OYSI ensures proper handling, documentation, and compliance with all regulatory requirements for this highly toxic substance. Due to the material's classification and regulatory requirements, purchases are restricted to qualified industrial and research customers with appropriate safety infrastructure and trained personnel.

Services for 1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene

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1,3,5,7,8,9,10,10-octachloro-4-oxatricyclo[5.2.1.02,6]dec-8-ene is a dangerous good. We support you with labeling, packaging, and transport documentation.

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Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.