2-methoxy-2-methylpropane
C5H12O
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Identification
- CAS Number
- 1634-04-4
- EC Number
- 216-653-1
- UN Number
- 2398
- Index Number
- 603-181-00-X
- PubChem CID
- 15413
Physical-chemical properties
- Molecular Formula
- C5H12O
- Molar Mass
- 88.15 g/mol
- IUPAC Name
- 2-methoxy-2-methylpropane
Chemical Identifiers
- InChI
- InChI=1S/C5H12O/c1-5(2,3)6-4/h1-4H3
- InChI Key
- BZLVMXJERCGZMT-UHFFFAOYSA-N
Overview
2-methoxy-2-methylpropane (CAS 1634-04-4) is a tertiary ether compound with flammable properties and moderate skin irritation potential. This branched ether, also known by its IUPAC designation 2-methoxy-2-methylpropane, represents an important industrial solvent in the tertiary alkyl ether family. With a molecular formula of C5H12O and molecular weight of 88.15 g/mol, this compound exhibits the characteristic properties of tertiary ethers, including good chemical stability and selective solvency characteristics that make it valuable in various industrial applications. The substance is classified under European CLP regulation with hazard classes Flam. Liq. 2 and Skin Irrit. 2, requiring the "Danger" signal word and display of GHS02 (flame) and GHS07 (exclamation mark) pictograms. Its ADR classification as Class 3 reflects its flammable liquid properties, necessitating appropriate handling and storage protocols in industrial environments. The compound's tertiary structure provides enhanced stability compared to primary ethers, while maintaining effective solvency properties. Primary industrial applications include use as a specialty solvent in chemical synthesis, as a reaction medium for organic transformations, and as an extraction solvent in pharmaceutical and fine chemical manufacturing. The compound shares certain application areas with other industrial solvents like ethylbenzene, though its unique tertiary ether structure provides distinct selectivity advantages in specific processes. Its controlled volatility and chemical inertness make it particularly suitable for reactions requiring anhydrous conditions. OYSI maintains reliable supply chains for 2-methoxy-2-methylpropane, supporting European industrial customers with consistent availability and technical support for this specialized ether solvent.
Safety & Classification
Flam. Liq. 2; Skin Irrit. 2
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
Skin Contact
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:
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 Number | 2398 |
| ADR Class | 3 |
| Packing Group | II |
| Tunnel Code | D/E |
| Proper Shipping Name | Methyl-tert-butylether |
| Marine Pollutant | No |
Frequently Asked Questions
What is 2-methoxy-2-methylpropane?
2-methoxy-2-methylpropane is an organic ether compound with the molecular formula C5H12O and CAS number 1634-04-4. Also known as tert-butyl methyl ether (TBME), it has a molecular weight of 88.15 g/mol and belongs to the class of alkyl ethers. This substance is classified as a flammable liquid with skin irritating properties, requiring careful handling and appropriate safety measures during use and storage.
What are the physicochemical properties of 2-methoxy-2-methylpropane?
2-methoxy-2-methylpropane is a colorless liquid with a characteristic ether-like odor at room temperature. As an ether compound, it exhibits moderate volatility and low water solubility due to its organic nature. The substance has flammable properties, making it highly combustible when exposed to ignition sources. Its ether structure contributes to its relatively low boiling point and good solubility in organic solvents.
What is 2-methoxy-2-methylpropane used for?
2-methoxy-2-methylpropane serves primarily as a solvent in various industrial applications due to its ether properties. It is commonly used in organic synthesis reactions, extraction processes, and as a reaction medium in chemical manufacturing. The substance also finds application in research laboratories for analytical procedures and as an intermediate in the production of other chemical compounds. Its solvent properties make it valuable in specialty chemical formulations.
How to handle 2-methoxy-2-methylpropane safely?
2-methoxy-2-methylpropane requires careful handling due to its flammable nature and skin irritating properties. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and appropriate clothing to prevent skin contact. Work areas must be well-ventilated and free from ignition sources such as sparks, flames, or hot surfaces. Grounding and bonding procedures should be implemented during transfer operations to prevent static electricity buildup.
How to store 2-methoxy-2-methylpropane correctly?
2-methoxy-2-methylpropane must be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames. Containers should be tightly sealed and made of compatible materials resistant to ether solvents. Storage areas require fire prevention measures and should be separated from oxidizing agents and incompatible materials. Temperature control is essential to prevent vapor buildup and maintain product stability.
What to do in case of contact with 2-methoxy-2-methylpropane?
Immediate removal from exposure is the first priority in case of contact with 2-methoxy-2-methylpropane. For skin contact, wash the affected area thoroughly with soap and water for at least 15 minutes and remove contaminated clothing. In case of eye contact, rinse with clean water for 15 minutes and seek medical attention. If inhaled, move the person to fresh air immediately and seek medical help if breathing difficulties occur.
How to dispose of 2-methoxy-2-methylpropane appropriately?
2-methoxy-2-methylpropane disposal must comply with local and European waste regulations as a hazardous chemical waste. The substance cannot be disposed of in regular drains or municipal waste systems due to its flammable and potentially harmful properties. Disposal should be conducted through licensed hazardous waste management companies that can handle flammable organic solvents safely through appropriate treatment methods such as controlled incineration or recycling.
How to transport 2-methoxy-2-methylpropane?
2-methoxy-2-methylpropane is classified under ADR Class 3 (flammable liquids), Packing Group II, requiring specialized transport procedures. Transportation must comply with dangerous goods regulations including proper packaging, labeling with appropriate hazard pictogrammes (GHS02, GHS07), and documentation. Vehicles must be equipped for flammable liquid transport, and drivers require dangerous goods certification. Emergency response information must accompany shipments.
Is 2-methoxy-2-methylpropane subject to specific regulations?
2-methoxy-2-methylpropane is subject to European chemical regulations including REACH registration requirements and CLP classification as Flam. Liq. 2 and Skin Irrit. 2. The substance is not listed as a Substance of Very High Concern (SVHC), but still requires proper hazard communication through safety data sheets and appropriate labeling. Users must comply with workplace safety regulations and environmental protection measures when handling this chemical.
Where to buy 2-methoxy-2-methylpropane in Europe?
2-methoxy-2-methylpropane is available through OYSI, a European distributor specializing in technical chemical products. OYSI provides this substance with full regulatory compliance including proper documentation, safety data sheets, and appropriate packaging for safe handling. As a specialized chemical distributor, OYSI ensures quality standards and regulatory compliance for professional users across European markets requiring this ether compound for industrial applications.
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2-methoxy-2-methylpropane is a dangerous good. We support you with labeling, packaging, and transport documentation.
Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.