7-methylocta-1,6-diene
C9H16
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Identification
- CAS Number
- 42152-47-6
- EC Number
- 404-210-7
- UN Number
- 3295
- Index Number
- 601-046-00-X
- PubChem CID
- 557579
Physical-chemical properties
- Molecular Formula
- C9H16
- Molar Mass
- 124.22 g/mol
- IUPAC Name
- 7-methylocta-1,6-diene
Chemical Identifiers
- InChI
- InChI=1S/C9H16/c1-4-5-6-7-8-9(2)3/h4,8H,1,5-7H2,2-3H3
- InChI Key
- UCKITPBQPGXDHV-UHFFFAOYSA-N
Overview
7-methylocta-1,6-diene (CAS 42152-47-6) is an unsaturated aliphatic hydrocarbon featuring two double bonds and a methyl branch in its eight-carbon chain structure. This diene compound, with the molecular formula C9H16 and a molecular weight of 124.22 g/mol, represents a valuable building block in organic synthesis and industrial applications. The presence of two strategically positioned double bonds at the 1,6-positions, combined with a methyl substituent at the seventh carbon, provides unique reactivity patterns that distinguish it from simpler linear dienes. Its structural characteristics make it particularly useful in polymerization reactions and as an intermediate in the synthesis of more complex organic molecules. From a safety perspective, 7-methylocta-1,6-diene is classified as a Category 3 flammable liquid, requiring appropriate handling precautions including proper ventilation and fire prevention measures. The compound also carries aquatic toxicity classifications (Acute Category 1 and Chronic Category 1), indicating its potential environmental impact and the need for careful containment during use and disposal. Transport regulations classify it under ADR Class 3, reflecting its flammable nature. Industrial applications of this diene include its use as a monomer in specialized polymer production, particularly in the manufacture of synthetic rubbers and elastomers where controlled crosslinking is desired. It also serves as an intermediate in the synthesis of fragrances and flavor compounds, leveraging its reactive double bonds for selective functionalization. In some applications, it may be used alongside aromatic compounds such as 1,3,5-trimethylbenzene in solvent systems or as a co-reactant in chemical processes. OYSI provides reliable access to 7-methylocta-1,6-diene for European industrial customers, ensuring consistent quality and regulatory compliance for demanding technical applications.
Safety & Classification
Flam. Liq. 3; Aquatic Acute 1; Aquatic Chronic 1
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
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
Transport (ADR)
| UN Number | 3295 |
| ADR Class | 3 |
| Packing Group | III |
| Tunnel Code | D/E |
| Proper Shipping Name | 7-Methylocta-1,6-dien |
| Marine Pollutant | No |
Frequently Asked Questions
What is 7-methylocta-1,6-diene?
7-methylocta-1,6-diene is an organic compound with the molecular formula C9H16 and CAS number 42152-47-6. This hydrocarbon belongs to the family of dienes, featuring two carbon-carbon double bonds in its eight-carbon chain structure with a methyl substituent. With a molecular weight of 124.22 g/mol, it is classified as a flammable liquid and poses environmental hazards to aquatic life.
What are the physicochemical properties of 7-methylocta-1,6-diene?
7-methylocta-1,6-diene is a liquid hydrocarbon at room temperature with the molecular formula C9H16. As an unsaturated aliphatic compound containing two double bonds, it exhibits typical properties of dienes including potential for polymerization reactions. Being a hydrocarbon, it is likely insoluble in water but soluble in organic solvents. Its flammable nature requires careful handling and storage away from ignition sources.
What is 7-methylocta-1,6-diene used for?
7-methylocta-1,6-diene serves as an intermediate in organic synthesis and chemical manufacturing processes. Its diene structure makes it valuable for polymerization reactions and as a building block in the production of specialty chemicals. It may be used in the synthesis of rubber compounds, resins, or other polymer materials. Industrial applications typically involve controlled environments due to its flammable properties and environmental impact classification.
How to handle 7-methylocta-1,6-diene safely?
Safe handling of 7-methylocta-1,6-diene requires appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or under fume hoods to prevent vapor accumulation. Eliminate ignition sources as it is classified as Flammable Liquid Category 3. Avoid direct contact with skin and eyes, and prevent environmental release due to its aquatic toxicity classification under GHS02 and GHS09 pictograms.
How to store 7-methylocta-1,6-diene correctly?
7-methylocta-1,6-diene must be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames due to its flammable classification. Use appropriate containers compatible with organic solvents and ensure proper grounding to prevent static electricity buildup. Store away from incompatible materials and implement spill containment measures to prevent environmental contamination given its aquatic toxicity classification.
What to do in case of contact with 7-methylocta-1,6-diene?
In case of skin contact with 7-methylocta-1,6-diene, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water. For eye contact, rinse immediately with plenty of clean water for at least 15 minutes and seek medical attention. If inhaled, move the person to fresh air immediately. In case of ingestion, do not induce vomiting and seek immediate medical attention. Always consult the safety data sheet for specific first aid measures.
How to dispose of 7-methylocta-1,6-diene properly?
7-methylocta-1,6-diene must be disposed of according to local, regional, and national waste regulations as hazardous waste. Due to its flammable nature and aquatic toxicity classification, it cannot be disposed of in regular waste streams or poured down drains. Contact licensed waste disposal companies specializing in chemical waste management. Consider recycling or recovery options where feasible, and ensure proper documentation of disposal methods for regulatory compliance.
How to transport 7-methylocta-1,6-diene?
7-methylocta-1,6-diene is classified under ADR Class 3 (Flammable Liquids), Packing Group III for transportation. This classification requires specific packaging, labeling, and documentation according to dangerous goods regulations. Transport vehicles must comply with ADR requirements including appropriate placarding and emergency equipment. Only trained personnel should handle transportation, and emergency response information must be readily available during transit. Proper shipping papers and declarations are mandatory.
Is 7-methylocta-1,6-diene subject to specific regulations?
7-methylocta-1,6-diene is subject to REACH regulation requiring registration for manufacturing or import above one tonne per year in the EU. Under CLP regulation, it must be classified and labeled according to its hazard profile (Flam. Liq. 3, Aquatic Acute 1, Aquatic Chronic 1). It is not currently listed as a Substance of Very High Concern (SVHC). Companies must maintain safety data sheets and ensure proper risk assessment and management measures.
Where to buy 7-methylocta-1,6-diene in Europe?
7-methylocta-1,6-diene is available through OYSI, a specialized European distributor of industrial chemicals and intermediates. OYSI provides reliable supply chain solutions across Europe with proper documentation and regulatory compliance. As a professional chemical distributor, OYSI ensures appropriate packaging, labeling, and transport according to ADR and other applicable regulations. Contact OYSI directly for availability, technical specifications, and delivery options tailored to your specific requirements.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.