2-methoxyethanol
C3H8O2
Consulting for 2-methoxyethanol
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Identification
- CAS Number
- 109-86-4
- EC Number
- 203-713-7
- UN Number
- 1188
- Index Number
- 603-011-00-4
- PubChem CID
- 8019
Physical-chemical properties
- Molecular Formula
- C3H8O2
- Molar Mass
- 76.09 g/mol
- IUPAC Name
- 2-methoxyethanol
Chemical Identifiers
- InChI
- InChI=1S/C3H8O2/c1-5-3-2-4/h4H,2-3H2,1H3
- InChI Key
- XNWFRZJHXBZDAG-UHFFFAOYSA-N
Overview
2-methoxyethanol (CAS 109-86-4) is a glycol ether solvent with excellent dissolving properties and moderate volatility for industrial applications. This versatile organic compound, also known by its IUPAC designation 2-methoxyethanol, belongs to the glycol ether family and serves as an important industrial solvent across multiple sectors. With its molecular formula C3H8O2 and molecular weight of 76.09 g/mol, this colorless liquid exhibits unique bipolar characteristics that make it valuable for dissolving both polar and non-polar substances. The compound's structure combines methoxy and ethanol functionalities, providing enhanced solvency power compared to conventional alcohols. From a safety perspective, 2-methoxyethanol requires careful handling due to its hazard classification profile. The substance is classified as a flammable liquid (Category 3) and reproductive toxicant (Category 1B), necessitating appropriate workplace controls and personal protective equipment. The danger signal word and associated GHS pictograms (GHS02, GHS07, GHS08) reflect these significant health and safety considerations. Its ADR transport classification as Class 3 material requires compliance with dangerous goods regulations during shipping and storage. Primary industrial applications include use as a solvent in coating formulations, semiconductor manufacturing processes, and specialty chemical synthesis. The compound demonstrates particular effectiveness in electronics applications where precise cleaning and processing are critical. Unlike related solvents such as 2-ethoxyethyl acetate, 2-methoxyethanol offers distinct volatility characteristics that benefit specific industrial processes. OYSI maintains reliable supply chains for 2-methoxyethanol, ensuring consistent availability for European industrial customers requiring this specialized glycol ether solvent.
Safety & Classification
Flam. Liq. 3; Repr. 1B; Acute Tox. 4 *; Acute Tox. 4 *; Acute Tox. 4 *
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
Inhalation
Measures if vapours or dust are inhaled
First Aid Actions
- +P304IF INHALED:
- +P340Remove person to fresh air and keep comfortable for breathing.
- +P311Call a POISON CENTER/doctor.
Related hazard statements:
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:
Ingestion
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 Number | 1188 |
| ADR Class | 3 |
| Packing Group | III |
| Tunnel Code | D/E |
| Proper Shipping Name | Ethylenglycolmonomethylether |
| Marine Pollutant | No |
Frequently Asked Questions
What is 2-methoxyethanol?
2-methoxyethanol is an organic solvent with the molecular formula C3H8O2 and CAS number 109-86-4. This glycol ether has a molecular weight of 76.09 g/mol and belongs to the family of alkoxy alcohols. It is classified as a flammable liquid and reproductive toxicant, requiring careful handling due to its hazardous properties including acute toxicity and reproductive effects.
What are the physicochemical properties of 2-methoxyethanol?
2-methoxyethanol is a clear, colorless liquid with a mild, pleasant odor at room temperature. It exhibits excellent solubility in water and most organic solvents due to its dual hydrophilic and lipophilic character. The compound has a relatively low molecular weight of 76.09 g/mol, contributing to its volatility and miscibility properties that make it valuable as a solvent.
What is 2-methoxyethanol used for?
2-methoxyethanol serves as a solvent in various industrial applications including paints, coatings, and printing inks. It acts as a coupling agent in cleaning formulations and is used in the production of resins and plasticizers. The compound also finds application in the electronics industry for specialized cleaning processes and as a component in certain chemical synthesis reactions.
How to handle 2-methoxyethanol safely?
2-methoxyethanol requires strict safety measures including use of chemical-resistant gloves, safety goggles, and respiratory protection in poorly ventilated areas. Work should be conducted in well-ventilated spaces or under fume hoods due to its toxic vapors. Avoid skin contact and inhalation, as the substance can be absorbed through skin and cause reproductive harm and acute toxicity.
How to store 2-methoxyethanol correctly?
2-methoxyethanol should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and ignition sources. Keep containers in original packaging and separate from incompatible materials such as strong oxidizers. Storage areas must comply with flammable liquid storage requirements and be equipped with appropriate fire suppression systems due to its Class 3 flammable classification.
What to do in case of contact with 2-methoxyethanol?
Immediate skin contact with 2-methoxyethanol requires thorough washing with soap and water for at least 15 minutes while removing contaminated clothing. For eye contact, flush with clean water for 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. In all cases of exposure, seek medical attention promptly due to the substance's reproductive toxicity and acute toxic effects.
How to dispose of 2-methoxyethanol appropriately?
2-methoxyethanol must be disposed of as hazardous waste through licensed waste management companies in accordance with local and European waste regulations. The substance cannot be discharged to sewers or environment due to its toxicity. Contaminated materials and empty containers require proper hazardous waste treatment. Always consult local environmental authorities for specific disposal requirements and approved disposal facilities.
How to transport 2-methoxyethanol?
2-methoxyethanol is classified under ADR as Class 3 (flammable liquids), Packing Group III for transportation purposes. It requires appropriate hazardous goods packaging, labeling, and documentation during transport. Vehicles must carry proper placarding and emergency equipment. Transportation personnel need ADR training certification, and the substance must be segregated from incompatible materials during shipment across European roads.
Is 2-methoxyethanol subject to specific regulations?
2-methoxyethanol is regulated under European CLP Regulation with classification as Repr. 1B (reproductive toxicant category 1B) and requires specific labeling with GHS pictograms GHS02, GHS07, and GHS08. It falls under REACH registration requirements for chemical substances. The compound's reproductive toxicity classification subjects it to strict occupational exposure limits and potential use restrictions in consumer products.
Where to buy 2-methoxyethanol in Europe?
2-methoxyethanol is available through OYSI, a European chemical distributor specializing in technical grade chemicals for industrial applications. As a professional chemical supplier, OYSI provides proper documentation, safety data sheets, and regulatory compliance support for this regulated substance. Contact OYSI directly for availability, technical specifications, and delivery options across European markets for your industrial solvent requirements.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.