2,5,8,11,14-Pentaoxapentadecane
Tetraethylene glycol dimethyl ether
CAS: 143-24-8
Molecular Formula: C10H22O5
2,5,8,11,14-Pentaoxapentadecane - Names and Identifiers
| Name | Tetraethylene glycol dimethyl ether |
| Synonyms | Tetraglyme dimethyltetragol Dimethoxytetraglycol 2,5,8,11,14-Pentaoxapentadecane Bis[2-(2-methoxyethoxy)ethyl] ether Tetraethylene glycol dimethyl ether bis(2-(2-methoxyethoxy)ethyl) ether 1,11-dimethoxy-3,6,9-trioxa-undecane Tetraethylene glycol dimethyl ether, extra pure TETRAETHYLENE GLYCOL DIMETHYL ETHER,STAN DARD FOR GC 1-(2-methoxyethoxy)-2-[2-(2-methoxyethoxy)-ethoxy]-ethane 2,5,8,11,14-Pentaoxapentadecane, Bis[2-(2-methoxyethoxy)ethyl] ether, Dimethoxytetraethylene glycol, Dimethyltetraglycol, Tetraglyme |
| CAS | 143-24-8 |
| EINECS | 205-594-7 |
| InChI | InChI=1/C8H18O5.C2H6O/c9-1-3-11-5-7-13-8-6-12-4-2-10;1-3-2/h9-10H,1-8H2;1-2H3 |
| InChIKey | ZUHZGEOKBKGPSW-UHFFFAOYSA-N |
2,5,8,11,14-Pentaoxapentadecane - Physico-chemical Properties
| Molecular Formula | C10H22O5 |
| Molar Mass | 222.28 |
| Density | 1.009 g/mL at 25 °C (lit.) |
| Melting Point | -30 °C (lit.) |
| Boling Point | 275-276 °C (lit.) |
| Flash Point | 285°F |
| Water Solubility | Soluble |
| Solubility | Chloroform (Sparingly), Methanol (Slightly) |
| Vapor Presure | <0.01 mm Hg ( 20 °C) |
| Vapor Density | 7.7 (vs air) |
| Appearance | Liquid |
| Specific Gravity | 1.01 |
| Color | Clear |
| Merck | 14,9208 |
| BRN | 1760005 |
| Storage Condition | Store below +30°C. |
| Explosive Limit | 0.8%(V) |
| Refractive Index | n20/D 1.432(lit.) |
| Physical and Chemical Properties | Appearance: colorless transparent liquid, with slightly ether odor. |
| Use | Tetraethylene glycol dimethyl ether can be used as an excellent solvent for alkali gold hydride. It is used in various chemical reaction processes such as alkylation condensation and reduction. Since the compound has Lewis basicity, it can selectively absorb acid gas for purification of synthesis gas, natural gas, acetylene and other gases. |
2,5,8,11,14-Pentaoxapentadecane - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R19 - May form explosive peroxides R43 - May cause sensitization by skin contact R62 - Possible risk of impaired fertility R61 - May cause harm to the unborn child |
| Safety Description | S36 - Wear suitable protective clothing. S24 - Avoid contact with skin. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S53 - Avoid exposure - obtain special instructions before use. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 1 |
| RTECS | SB0400000 |
| TSCA | Yes |
| HS Code | 2909 19 90 |
| Toxicity | LD50 orally in rats: 5.14 g/kg (Smyth) |
2,5,8,11,14-Pentaoxapentadecane - Reference Information
| LogP | -0.84 at 23℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | a protic inert solvent tetraethylene glycol dimethyl ether can be used as an excellent solvent for alkali gold hydride. Used in a variety of chemical reaction processes such as alkylation condensation and reduction. Because the compound is Lewis alkaline, it can choose to absorb acid gas for purification of synthesis gas, natural gas, acetylene and other gases. |
| production method | 1. the synthesis method of diethanol monomethyl ether and thionyl chloride is mainly adopted. Chlorination of diethanol monomethyl ether with thionyl chloride, and then diethanol monomethyl ether is made into sodium alkoxide, and then the two are condensed, and finally filtered and vacuum distilled. |
| spontaneous combustion temperature | 510 °F |
Last Update：2024-04-09 21:01:54
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