Poly(ethylene glycol)
Poly(ethylene glycol) (CAS 25322-68-3), molecular formula H(OCH2CH2)nOH, 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
- PEG
| Linear formula | H(OCH2CH2)nOH |
|---|---|
| Grade | SAJ first grade |
| Density | 1.13 g/mL at 25 °C |
| Refractive index | n20/D 1.4539 |
| Solubility | H2O: soluble50 mg/mL at 20 °C, clear, colorless |
| pH | 5.5-7.0 (25 °C, 50 mg/mL in H2O) |
| Concentration | 50 % (w/v) |
| Melting point | -65 °C(lit.) |
| Vapour pressure | <0.01 mmHg (20 °C) |
| Vapour density | >1 (vs air) |
| Autoignition temp | 581 °F |
| Viscosity | 4.3 cSt(210 °F)(lit.) |
| Storage temperature | 2-8°C |
| Contains / stabiliser | 200-500 ppm BHT as inhibitor |
| Impurities tested | endotoxin, tested |
| Suitability | suitable for hybridoma |
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P312Call a POISON CENTER if you feel unwell
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| 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.
| Mol Wt | average Mw 6000mol wt 7400-9000 |
|---|---|
| Availability | available only in Japan |
| Transition Temp | Tg −67 °CTm 65 °C |
| Uv Absorption | λ: 260 nm Amax: 0.09λ: 280 nm Amax: 0.03 |
| Sterility | sterile-filtered |
| Hydroxyl Value | 340‑394 mg KOH/g |
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 Poly(ethylene glycol)?
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Poly(ethylene glycol) (CAS 25322-68-3), molecular formula H(OCH2CH2)nOH, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to USP, BP and EP standards.
What grades of Poly(ethylene glycol) does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Poly(ethylene glycol) 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 Poly(ethylene glycol)?
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Poly(ethylene glycol) has CAS number 25322-68-3 and molecular formula H(OCH2CH2)nOH. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Poly(ethylene glycol)?
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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 Poly(ethylene glycol) 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 Poly(ethylene glycol) be stored?
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Store Poly(ethylene glycol) 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 Poly(ethylene glycol) used for?
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Poly(ethylene glycol) 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 Poly(ethylene glycol)?
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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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