Diethylene glycol monomethyl ether
2-(2-Methoxyethoxy)Ethanol
CAS: 111-77-3
Molecular Formula: C5H12O3
Diethylene glycol monomethyl ether - Names and Identifiers
| Name | 2-(2-Methoxyethoxy)Ethanol |
| Synonyms | DEM MECB dowanol dm hicotol car methyl digol ektasolve dm Poly-Solv DM Methyl Carbitol methoxydiglycol methyl dioxitol glycol ether dm 3,6-Dioxaheptan-1-ol methoxyethoxyethanol 3,6-dioxa-1-heptanol METHYLDIETHYLENEGLYCOL 2-beta-methyl carbitol 2-(Methoxyethoxy)ethanol diglycol monomethyl ether 2-(2-Methoxyethoxy)Ethanol Diethylenglycolmonomethylether Diethylene glycol methyl ether 1-(2-hydroxyethoxy)propan-2-ol ethylene diglycol monomethyl ether Diethylene Glycol Monomethyl Ether 2,2'-oxybisethanol monomethyl ether beta-methoxy-beta'-hydroxydiethyl ether 2-(2-Methoxyethoxy)ethanol, Methyldiglycol 2-(2-Methoxyethoxy)ethanol, DOWANOL(R) DM, Methyldiglycol 2-(2-methoxyethoxy)ethanol diethylene glycol monomethyl ether |
| CAS | 111-77-3 |
| EINECS | 203-906-6 |
| InChI | InChI=1/C5H12O3/c1-5(7)4-8-3-2-6/h5-7H,2-4H2,1H3 |
| InChIKey | SBASXUCJHJRPEV-UHFFFAOYSA-N |
Diethylene glycol monomethyl ether - Physico-chemical Properties
| Molecular Formula | C5H12O3 |
| Molar Mass | 120.15 |
| Density | 1.023g/mLat 25°C(lit.) |
| Melting Point | −70°C(lit.) |
| Boling Point | 194°C(lit.) |
| Flash Point | 183°F |
| Water Solubility | Miscible |
| Vapor Presure | 0.2 mm Hg ( 20 °C) |
| Vapor Density | 4.14 (vs air) |
| Appearance | Liquid |
| Color | Clear |
| Odor | Faint pleasant odor |
| Merck | 14,6037 |
| BRN | 1697812 |
| pKa | 14.37±0.10(Predicted) |
| PH | 4-7 (200g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong oxidizing agents. Hygroscopic. Store under nitrogen. |
| Sensitive | Hygroscopic |
| Explosive Limit | 1.38-22.7% |
| Refractive Index | n20/D 1.426 |
| MDL | MFCD00002871 |
| Physical and Chemical Properties | density 1.01 |
| Use | It is used as a solvent for nitrocellulose, resin, wood coloring dye, ink, alcohol ether dye, and as an extractant, improver and intermediate. |
Diethylene glycol monomethyl ether - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 63 - Possible risk of harm to the unborn child |
| Safety Description | 36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 1 |
| RTECS | KL6125000 |
| TSCA | Yes |
| HS Code | 29094200 |
| Toxicity | LD50 orally in rats: 9.21 g/kg (Smyth) |
Diethylene glycol monomethyl ether - Upstream Downstream Industry
| Raw Materials | 1-Butanol Ethylene Oxide Methyl alcohol Methyl alcohol Ethyl Alcohol |
| Downstream Products | Bis(2-methoxy ethyl)ether |
Diethylene glycol monomethyl ether - Introduction
It has an aromatic smell. It's hygroscopic. It can be miscible with water, ethanol, glycerin, ether, acetone, dimethylacetamide, etc. The median lethal dose (rat, oral) was 9.21 g/kg. It's irritating.
Last Update：2022-10-16 17:12:04
Diethylene glycol monomethyl ether - Reference Information
| LogP | -0.47 at 20℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | used as a high boiling point solvent for inks, dyes, resins, cellulose and coatings, and also used in organic synthesis. The oral LD50 of this product to mice is 9200mg/kg. Used as a solvent for nitrocellulose, resin, wood coloring dyes, inks, alcohol ether dyes, etc. Used as an extractant, improver, etc. Used as a solvent and an intermediate for preparing ester derivatives Used as a solvent for nitrocellulose, resin, wood coloring dyes, inks, alcohol ether dyes, and also used as an extractant, improver and intermediate solvent. Organic synthesis intermediate. |
| Production method | It is obtained by the reaction of ethylene glycol monomethyl ether and ethylene oxide. |
| category | combustible items |
| toxicity classification | low toxicity |
| acute toxicity | oral-rat LD50: 5500 mg/kg; Oral-mouse LD50: 8222 mg/kg |
| stimulation data | eye-rabbit 500 mg/24 hours mild |
| flammability hazard characteristics | combustible in case of open flame, high temperature and strong oxidant; Combustion emission stimulates smoke |
| storage and transportation characteristics | complete packaging, light loading and unloading; warehouse ventilation, away from open flames, high temperature, separate storage from oxidant |
| fire extinguishing agent | foam, dry powder, carbon dioxide |
| spontaneous combustion temperature | 221°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:04:16
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Raw Materials for Diethylene glycol monomethyl ether
Downstream Products for Diethylene glycol monomethyl ether