Introduction：Basic information about Polyethylene glycol dimethyl ether CAS 24991-55-7, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Polyethylene glycol dimethyl ether Basic information
| Product Name: | Polyethylene glycol dimethyl ether |
| Synonyms: | Polyethylene Glycol Dimethyl Ether (Mw.=ca. 240);Poly(ethylene glycol) dimethyl ether average Mn ~250;Dimethyl polyethylene glycolpolyethylene glycol dimetyl etherNHD;Polyethylene glycol dimethyl ether 500 (stabilised) for synthesis;Polyethylene glycol dimethyl ether 250 for synthesis;Polyethylene glycol dimethyl ether 2000 for synthesis;POLY(ETHYLENE GLYCOL) (N) DIMETHYL ETHER;POLYETHYLENE GLYCOL 500 DIMETHYL ETHER |
| CAS: | 24991-55-7 |
| MF: | (C2H4O)nC2H6O |
| MW: | 0 |
| EINECS: | |
| Product Categories: | Polymers |
| Mol File: | 24991-55-7.mol |
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Polyethylene glycol dimethyl ether Chemical Properties
| Melting point | 52-55 °C |
| Boiling point | >250 °C |
| density | 1.08 g/mL at 25 °C |
| vapor pressure | <1 Pa (20 °C) |
| refractive index | n20/D 1.46 |
| Fp | >230 °F |
| storage temp. | Store below +30°C. |
| form | solid |
| color | Colorless to Almost colorless |
| explosive limit | 0.5%(V) |
| InChI | InChI=1S/C4H10O2/c1-5-3-4-6-2/h3-4H2,1-2H3 |
| InChIKey | XTHFKEDIFFGKHM-UHFFFAOYSA-N |
| SMILES | O(C)C{-}CO{+n}C |
| EPA Substance Registry System | Poly(oxy-1,2-ethanediyl), .alpha.-methyl-.omega.-methoxy- (24991-55-7) |
Safety Information
| WGK Germany | 1 |
| RTECS | MC9630000 |
| F | 3-9 |
| Autoignition Temperature | 385 °C DIN 51794 |
| TSCA | TSCA listed |
| HS Code | 3907 20 99 |
| Storage Class | 10 - Combustible liquids |
| Toxicity | LD50 orally in Rabbit: > 2000 mg/kg |
Polyethylene glycol dimethyl ether Usage And Synthesis
| Uses | Polyethylene glycol dimethyl ether 250 for synthesis. CAS 24991-55-7, chemical formula CH3O(CH2CH2O)nCH3. |
| Definition | ChEBI: 1,2-dimethoxyethane is a diether that is the 1,2-dimethyl ether of ethane-1,2-diol. It has a role as a non-polar solvent. It is functionally related to an ethylene glycol. |
| reaction suitability | reagent type: cross-linking reagent
reaction type: click chemistry |
| Safety Profile | Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes. |
Polyethylene glycol dimethyl ether Preparation Products And Raw materials
| Raw materials | Sodium hydroxide-->Methanol-->Dimethyl sulfate-->ETHYLENE OXIDE-->Chloromethane |
| Preparation Products | Droxicam |
