1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene

C10H5Cl7

CAS76-44-8
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
76-44-8
EC Number
200-962-3
UN Number
2761
Index Number
602-046-00-2
PubChem CID
3589

Physical-chemical properties

Molecular Formula
C10H5Cl7
Molar Mass
373.30 g/mol
IUPAC Name
1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene

Chemical Identifiers

InChI
InChI=1S/C10H5Cl7/c11-4-2-1-3-5(4)9(15)7(13)6(12)8(3,14)10(9,16)17/h1-5H
InChI Key
FRCCEHPWNOQAEU-UHFFFAOYSA-N

Overview

1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene (CAS 76-44-8) is a highly chlorinated organic compound with significant toxicological properties and environmental persistence. This heptachlorinated tricyclic compound, with molecular formula C10H5Cl7 and molecular weight 373.3 g/mol, represents a complex organochlorine structure featuring multiple chlorine substituents on a rigid tricyclic framework. The compound's extensive chlorination contributes to its chemical stability and resistance to degradation, while simultaneously raising significant safety and environmental concerns due to its classification under multiple hazard categories. The substance exhibits considerable toxicological risks, classified as a Category 2 carcinogen and Category 3 acute toxicant, requiring careful handling protocols and appropriate safety measures. Its environmental impact is particularly noteworthy, with classifications as both Aquatic Acute 1 and Aquatic Chronic 1, indicating severe immediate and long-term effects on aquatic ecosystems. The ADR Class 6.1 designation reflects its toxic nature during transportation, necessitating specialized shipping requirements. Industrial applications of this organochlorine compound typically include use as an intermediate in chemical synthesis processes, flame retardant formulations, and specialized chemical manufacturing where its stability and chlorine content provide specific technical advantages. The compound's unique tricyclic structure makes it valuable in applications requiring thermal stability and chemical resistance, though its use is increasingly restricted due to environmental and health considerations. Unlike simpler compounds such as cadmium-based materials including cadmium(2+);silicon(4+);hexafluoride, this organochlorine structure offers different chemical properties suited to specific industrial processes. OYSI maintains availability of this technical-grade compound for qualified industrial customers with appropriate handling capabilities and regulatory compliance.

Safety & Classification

Danger
Classification:

Carc. 2; Acute Tox. 3 *; Acute Tox. 3 *; STOT RE 2 *; Aquatic Acute 1; Aquatic Chronic 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H351

Suspected of causing cancer.

H311

Toxic in contact with skin.

H301

Toxic if swallowed.

H373

May cause damage to organs through prolonged or repeated exposure.

H400

Very toxic to aquatic life.

H410

Very toxic to aquatic life with long lasting effects.

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

Toxic

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

Toxic

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 GroupII
Tunnel CodeD/E
Proper Shipping NameHeptachlor (ISO)
Marine PollutantNo

Frequently Asked Questions

What is 1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene?

1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene is a highly chlorinated organic compound with the molecular formula C10H5Cl7 and CAS number 76-44-8. This tricyclic structure contains seven chlorine atoms attached to a complex polycyclic framework with a molecular weight of 373.3 g/mol. It belongs to the family of chlorinated hydrocarbons and is classified as a hazardous substance due to its potential carcinogenic properties and acute toxicity.

What are the physicochemical properties of 1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene?

1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene is a solid chlorinated organic compound at room temperature. Due to its highly chlorinated structure, it exhibits low volatility and limited water solubility, but shows good solubility in organic solvents. The compound's high chlorine content contributes to its chemical stability and persistence in the environment. Its physical appearance and specific odor characteristics depend on purity and formulation.

What is 1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene used for?

1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene is primarily used as a chemical intermediate in specialized industrial applications. Its highly chlorinated structure makes it valuable in the synthesis of flame retardants, specialty polymers, and other chlorinated derivatives. The compound may also serve as a research chemical for academic and industrial R&D purposes, particularly in studies involving chlorinated organic chemistry and materials science applications.

How to handle 1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene safely?

1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene requires strict safety measures due to its carcinogenic and toxic properties. Essential PPE includes chemical-resistant gloves, protective clothing, safety goggles, and respiratory protection when handling powders or in poorly ventilated areas. Work should be conducted in well-ventilated areas or under fume hoods. Avoid skin contact, inhalation, and ingestion. Ensure proper training and adherence to safety data sheet recommendations.

How to store 1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene correctly?

1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene must be stored in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Use original sealed containers made of suitable materials resistant to chlorinated compounds. Storage areas should be equipped with appropriate containment measures and restricted access due to the compound's hazardous nature. Maintain proper labeling and inventory records according to chemical safety regulations.

What to do in case of contact with 1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene?

Immediate first aid for 1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene exposure includes: skin contact - remove contaminated clothing and wash thoroughly with soap and water; eye contact - rinse immediately with plenty of clean water for at least 15 minutes; inhalation - move to fresh air and seek medical attention; ingestion - do not induce vomiting, rinse mouth and seek immediate medical attention. Always consult a physician after any exposure.

How to dispose of 1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene properly?

1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene waste must be disposed of through licensed hazardous waste disposal companies in accordance with local and national environmental regulations. The compound cannot be disposed of in regular waste streams due to its toxic and environmentally hazardous properties. Contaminated materials, containers, and PPE also require specialized disposal. Contact authorized waste management services for proper classification, packaging, and disposal procedures.

How to transport 1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene?

1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene is classified under ADR as Class 6.1 (toxic substances), Packing Group II, indicating moderate to high toxicity. Transportation requires appropriate UN-approved packaging, proper labeling with toxic substance markings, and accompanying transport documentation. Drivers must hold valid ADR certification for Class 6.1 materials. Consult current ADR regulations and work with certified transport companies experienced in handling toxic chemicals.

Is 1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene subject to special regulations?

1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene is subject to comprehensive chemical safety regulations under REACH and CLP in Europe. Its classification as Carc. 2 (suspected carcinogen) and acute toxicity categories impose strict handling, labeling, and notification requirements. While not currently listed as SVHC, its hazardous properties may trigger additional restrictions. Companies must maintain safety data sheets, conduct risk assessments, and ensure regulatory compliance throughout the supply chain.

Where to buy 1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene in Europe?

1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene is available through OYSI, a specialized European distributor of technical chemicals. As a professional chemical supplier, OYSI ensures proper handling, documentation, and regulatory compliance for this hazardous substance. Due to its toxic and carcinogenic properties, purchase is typically restricted to qualified industrial users and research institutions with appropriate safety infrastructure and regulatory permissions.

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1,5,7,8,9,10,10-heptachlorotricyclo[5.2.1.02,6]deca-3,8-diene 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.