Methoxypolyethylene glycol 350
Methoxypolyethylene glycol 350 (CAS 9004-74-4), molecular formula CH3O(CH2CH2O)nH, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- Methoxy poly(ethylene glycol),Polyethylene glycol monomethyl ether,mPEG
| 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
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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?
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Methoxypolyethylene glycol 350 (CAS 9004-74-4), molecular formula CH3O(CH2CH2O)nH, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to USP, BP and EP standards.
What grades of Methoxypolyethylene glycol 350 does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methoxypolyethylene glycol 350 in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Methoxypolyethylene glycol 350?
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Methoxypolyethylene glycol 350 has CAS number 9004-74-4 and molecular formula CH3O(CH2CH2O)nH. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Methoxypolyethylene glycol 350?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Methoxypolyethylene glycol 350 ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Methoxypolyethylene glycol 350 be stored?
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Store Methoxypolyethylene glycol 350 in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Methoxypolyethylene glycol 350 used for?
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Methoxypolyethylene glycol 350 is used in biochemicals & reagents applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Methoxypolyethylene glycol 350?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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