Methoxypolyethylene glycol 350
Methoxypolyethylene glycol 350 (CAS 9004-74-4), with the linear formula CH3O(CH2CH2O)nH, is a non-ionic surfactant and a derivative of polyethylene glycol. It exhibits good solubility in water and is characterised by an average molecular weight of 350 g/mol. This compound finds utility as a detergent and in various laboratory applications requiring a non-ionic, water-soluble medium. Tech Serve Solutions provides this chemical for research and industrial purposes.
- IUPAC
- Methoxy poly(ethylene glycol),Polyethylene glycol monomethyl ether,mPEG
- Synonyms
- Methoxy poly(ethylene glycol), Polyethylene glycol monomethyl ether, mPEG
Detergent Formulations
As a non-ionic surfactant, Methoxypolyethylene glycol 350 can be incorporated into detergent formulations to aid in emulsification and solubilisation of various substances. Its properties make it suitable for cleaning applications.
Laboratory Reagent
This compound serves as a valuable reagent in laboratory settings, particularly in biochemical and research applications. Its water solubility and defined molecular weight make it useful in solution preparation.
Chemical Intermediate
Methoxypolyethylene glycol 350 may be used as an intermediate in the synthesis of more complex molecules. Its reactive hydroxyl end-group allows for further chemical modification.
| Linear formula | CH3O(CH2CH2O)nH |
|---|---|
| Density | 1.089 g/mL at 25 °C |
| Refractive index | n20/D 1.455 |
| Solubility | H2O: soluble50 mg/mL at 25 °C, clear, colorless |
| pH | 5.5-7.0 (25 °C, 50 mg/mL in H2O) |
| Vapour pressure | 0.05 mmHg (20 °C) |
| Vapour density | >1 (vs air) |
| Melting point | 20 °C(lit.) |
| Viscosity | 7.5 cSt(210 °F)(lit.) |
| Impurities tested | insoluble matters, passes filter test≤0.005% peroxides (as H2O2) |
| Application | Do you have application information on this product that you would like to share? |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 182 °C / 359.6 °F |
| Water hazard class (WGK, DE) | 1 |
| Anion traces | chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤50 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Description | non-ionic |
|---|---|
| Mol Wt | average mol wt 350 |
| Transition Temp | Tm 20 °C |
| Uv Absorption | λ: 260 nm Amax: 0.06λ: 280 nm Amax: 0.03 |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Methoxypolyethylene glycol 350 used for?
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Methoxypolyethylene glycol 350 is used as a non-ionic surfactant, in detergent formulations, as a laboratory reagent, and as a chemical intermediate.
What is the CAS number and formula for Methoxypolyethylene glycol 350?
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The CAS number is 9004-74-4 and the linear formula is CH3O(CH2CH2O)nH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methoxypolyethylene glycol 350 with an average molecular weight of 350. The specific grade is not designated as USP, BP, or EP; it is suitable for research and industrial use. Please refer to the specifications for detailed impurity profiles.
How should Methoxypolyethylene glycol 350 be handled and stored?
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Handling requires basic personal protective equipment such as eyeshields and gloves. Store in a cool, dry place. Refer to the safety data sheet for comprehensive handling and storage information. The flash point is 182 °C (359.6 °F).
Is Methoxypolyethylene glycol 350 a controlled substance?
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Based on the provided data, Methoxypolyethylene glycol 350 is not listed as a controlled substance.
How is Methoxypolyethylene glycol 350 packed and shipped?
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Tech Serve Solutions packs and exports fine chemicals, pharmaceutical intermediates, and laboratory reagents globally. Specific packing and shipping details for Methoxypolyethylene glycol 350 will be provided upon request, adhering to international shipping regulations.
How can I request a quote or sample for Methoxypolyethylene glycol 350?
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To request a quote or sample of Methoxypolyethylene glycol 350, please contact our sales department through the TSS website or by phone. Our team will be pleased to assist you with your requirements.
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