2,6-dimethyl-1,4-dioxane
C6H12O2
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Identification
- CAS Number
- 10138-17-7
- UN Number
- 2707
- PubChem CID
- 24984
Physical-chemical properties
- Molecular Formula
- C6H12O2
- Molar Mass
- 116.16 g/mol
- IUPAC Name
- 2,6-dimethyl-1,4-dioxane
Chemical Identifiers
- InChI
- InChI=1S/C6H12O2/c1-5-3-7-4-6(2)8-5/h5-6H,3-4H2,1-2H3
- InChI Key
- JZUPYBRYQINNRE-UHFFFAOYSA-N
Overview
2,6-dimethyl-1,4-dioxane (CAS 10138-17-7) is a cyclic ether compound with two methyl substituents and distinctive solvent properties. This organic compound belongs to the dioxane family, characterized by a six-membered ring containing two oxygen atoms in opposite positions. The presence of methyl groups at the 2 and 6 positions distinguishes this isomer from other dioxane derivatives and influences its physical and chemical properties. With a molecular formula of C6H12O2 and molecular weight of 116.16 g/mol, 2,6-dimethyl-1,4-dioxane exhibits moderate volatility and good chemical stability under normal conditions. The compound is classified under ADR Class 3 as a flammable liquid, requiring appropriate handling and storage precautions in industrial environments. Its cyclic ether structure provides excellent solvating properties for various organic compounds, making it valuable in specialized chemical processes. The methyl substitution pattern affects its boiling point and solubility characteristics compared to unsubstituted 1,4-dioxane. In industrial applications, 2,6-dimethyl-1,4-dioxane serves primarily as a specialized solvent in organic synthesis and extraction processes. Its unique structural features make it particularly useful in pharmaceutical intermediate production and fine chemical manufacturing. The compound also finds application in analytical chemistry as a solvent medium for specific reactions where conventional solvents prove inadequate. Related compounds in this chemical family include various substituted dioxanes and cyclic ethers, though 2,6-dimethyl-1,4-dioxane offers distinct advantages in certain applications due to its specific substitution pattern. Unlike simpler compounds such as 2-ethylbutyl acetate, which serves different industrial purposes, this dioxane derivative provides specialized functionality in demanding chemical processes. OYSI maintains reliable supply chains for 2,6-dimethyl-1,4-dioxane to support European industrial customers requiring this specialized chemical intermediate.
Safety & Classification
No Hazard Classification
This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.
Transport (ADR)
| UN Number | 2707 |
| ADR Class | 3 |
| Packing Group | II |
| Tunnel Code | D/E |
| Proper Shipping Name | 2,6-Dimethyl-1,4-dioxan |
| Marine Pollutant | No |
Frequently Asked Questions
What is 2,6-dimethyl-1,4-dioxane?
2,6-dimethyl-1,4-dioxane is an organic chemical compound with the molecular formula C6H12O2 and CAS number 10138-17-7. It belongs to the dioxane family, characterized by a six-membered ring containing two oxygen atoms. With a molecular weight of 116.16 g/mol, this compound features two methyl groups positioned at the 2 and 6 positions of the dioxane ring, giving it unique chemical properties compared to other dioxane derivatives.
What are the physicochemical properties of 2,6-dimethyl-1,4-dioxane?
2,6-dimethyl-1,4-dioxane is typically a colorless liquid at room temperature with characteristic ether-like odor. As a dioxane derivative, it exhibits moderate polarity due to its oxygen atoms and is likely miscible with many organic solvents. The compound's boiling point and density are influenced by the presence of methyl substituents, which affect its volatility and molecular interactions compared to unsubstituted dioxane.
What is 2,6-dimethyl-1,4-dioxane used for?
2,6-dimethyl-1,4-dioxane serves primarily as a chemical intermediate and solvent in organic synthesis applications. It is commonly used in pharmaceutical manufacturing, fine chemical production, and research laboratories. The compound's unique ring structure and substituent pattern make it valuable for creating specialized chemical derivatives and as a reaction medium for specific synthetic processes requiring controlled polarity and stability.
How to handle 2,6-dimethyl-1,4-dioxane safely?
2,6-dimethyl-1,4-dioxane should be handled with standard laboratory safety precautions including wearing appropriate personal protective equipment such as safety goggles, chemical-resistant gloves, and lab coats. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid contact with skin, eyes, and clothing, and ensure proper grounding when transferring the material to prevent static electricity buildup.
How to store 2,6-dimethyl-1,4-dioxane correctly?
2,6-dimethyl-1,4-dioxane should be stored in tightly sealed containers in a cool, dry, and well-ventilated area away from heat sources and direct sunlight. Keep containers upright and properly labeled. Store away from strong oxidizing agents and incompatible materials. Ensure storage areas have appropriate fire protection systems and that containers are regularly inspected for leaks or deterioration. Maintain inventory records and follow first-in, first-out rotation principles.
What to do in case of contact with 2,6-dimethyl-1,4-dioxane?
In case of skin contact with 2,6-dimethyl-1,4-dioxane, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for 15 minutes while holding eyelids open. If inhaled, move to fresh air immediately. If ingested, rinse mouth and seek medical attention. Do not induce vomiting unless directed by medical personnel.
How to dispose of 2,6-dimethyl-1,4-dioxane properly?
2,6-dimethyl-1,4-dioxane must be disposed of according to local, national, and international environmental regulations. Contact licensed waste disposal companies specialized in chemical waste management. Do not dispose of down drains, sewers, or with regular waste. Small quantities may be suitable for controlled incineration at high temperatures. Ensure proper documentation and waste tracking throughout the disposal process to maintain regulatory compliance.
How to transport 2,6-dimethyl-1,4-dioxane?
2,6-dimethyl-1,4-dioxane is classified as ADR Class 3 (flammable liquids), Packing Group II, requiring specific transportation protocols. Use UN-approved packaging suitable for flammable liquids and ensure proper labeling with appropriate hazard placards. Vehicles must comply with ADR regulations for dangerous goods transport. Drivers require ADR certification, and transport documents must accompany shipments. Avoid transport during extreme weather conditions and ensure emergency response information is available.
Is 2,6-dimethyl-1,4-dioxane subject to specific regulations?
2,6-dimethyl-1,4-dioxane is subject to standard chemical regulations including REACH registration requirements in Europe for quantities above specified thresholds. It is not classified as a Substance of Very High Concern (SVHC) under REACH. Companies must comply with CLP regulation for classification and labeling, maintain safety data sheets, and follow workplace exposure guidelines. Import/export may require additional documentation depending on destination country regulations.
Where to buy 2,6-dimethyl-1,4-dioxane in Europe?
2,6-dimethyl-1,4-dioxane is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides reliable supply chains across Europe with proper documentation, quality certificates, and regulatory compliance. As an established chemical distributor, OYSI ensures product quality, proper packaging, and adherence to transportation regulations. Contact OYSI directly for availability, specifications, and delivery options to your specific location within Europe.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.