24991-55-7
Product Name:
Polyethylene glycol dimethyl ether
Formula:
(C2H4O)nC2H6O
Synonyms:
Dimethyl polyethylene glycol;Polyethylene glycol dimethyl ether 2000;Polyethylene glycol dimethyl ether 250;Polyethylene glycol dimethyl ether 500
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 1,2-dimethoxyethane appears as a liquid with a sharp odor. Less dense than water. Flash point 34 °F. Mildly toxic by ingestion and inhalation. Severely irritates skin and eyes. Vapors heavier than air. Used to make other chemicals. |
|---|---|
| Color/Form | WATER-WHITE LIQUID |
| Odor | SHARP ETHEREAL ODOR |
| Boiling Point | 185 °F at 760 mmHg (NTP, 1992) |
| Melting Point | -72 °F (NTP, 1992) |
| Flash Point | 32 °F (NTP, 1992) |
| Solubility | greater than or equal to 100 mg/mL at 72 °F (NTP, 1992) |
| Density | 0.868 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 3.1 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 40 mmHg at 51.3 °F ; 60 mmHg at 67.5 °F (NTP, 1992) |
| LogP | -0.21 |
| Autoignition Temperature | 395 °F (USCG, 1999) |
| Heat of Combustion | -12,020 BTU/LB= -6680 CAL/G= -279.7X10+5 JOULES/KG |
| Heat of Vaporization | 134 BTU/LB= 74.6 CAL/G= 3.12X10+5 JOULES |
| pH | 8.2 |
| Surface Tension | 0.02461 N/m at 20 °C |
| Refractive Index | INDEX OF REFRACTION: 1.3813 @ 20 °C/D, 1.3739 @ 24 °C/D |
| Kovats Retention Index | 646 635 645 669.3 641 641 |
| Other Experimental Properties | RATIO OF SPECIFIC HEATS OF VAPOR (GAS): 1.071; HEAT OF SOLUTION: (ESTIMATED) -9 BTU/LB= -5 CAL/G= -0.2X10+5 JOULES/KG |
| Chemical Classes | Solvents -> Glycol Ethers (Glymes) |
COMPUTED DESCRIPTORS
| Molecular Weight | 90.12 g/mol |
|---|---|
| XLogP3 | -0.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 3 |
| Exact Mass | 90.068079557 g/mol |
| Monoisotopic Mass | 90.068079557 g/mol |
| Topological Polar Surface Area | 18.5 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 17.5 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
1,2-dimethoxyethane appears as a liquid with a sharp odor. Less dense than water. Flash point 34 °F. Mildly toxic by ingestion and inhalation. Severely irritates skin and eyes. Vapors heavier than air. Used to make other chemicals.