109-86-4
Product Name:
2-Methoxyethanol
Formula:
C3H8O2
Synonyms:
Water;1-Pentanol;2-Methoxyethanol;Ethylene glycol monomethyl ether;Methyl glycol
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Ethylene glycol monomethyl ether appears as a clear colorless liquid. Flash point of 110 °F. Less dense than water. Vapors are heavier than air. |
|---|---|
| Color/Form | Colorless liquid |
| Odor | Mild agreeable odor |
| Taste | Bitter |
| Boiling Point | 257 °F at 768 mmHg (NTP, 1992) |
| Melting Point | -121.2 °F (NTP, 1992) |
| Flash Point | 107 °F (NTP, 1992) |
| Solubility | greater than or equal to 100 mg/mL at 70 °F (NTP, 1992) |
| Density | 0.966 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 2.62 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 6.2 mmHg at 68 °F ; 10 mmHg at 71.6 °F (NTP, 1992) |
| LogP | -0.77 |
| Henry's Law Constant | Henry's Law constant = 3.3X10-7 atm-cu m/mol at 25 °C |
| Stability/Shelf Life | Heat /contributes to instability/ |
| Autoignition Temperature | 551 °F (USCG, 1999) |
| Decomposition | Thermal decomposition 204 - 232 °C |
| Corrosivity | Methyl cellosolve will attack some forms of plastics, rubber, and coatings. |
| Heat of Combustion | -5250 cal/g |
| Heat of Vaporization | 45.17 kJ/mol at 25 °C; 37.54 kJ/mol at 124.1 °C |
| Surface Tension | 30.84 mN/m at 25 °C |
| Ionization Potential | 9.60 eV |
| Odor Threshold | Odor Threshold Low: 0.09 [mmHg] Odor Threshold High: 61.0 [mmHg] Detection odor threshold from AIHA (mean = 2.4 ppm) |
| Refractive Index | Index of refraction: 1.4024 at 20 °C/D |
| Dissociation Constants | 14.8 (at 25 °C) |
| Relative Evaporation Rate | 0.5 (n-Butyl acetate = 1) |
| Kovats Retention Index | 629 629 617 630 626 623 612.3 611.8 618 616 617 616 617 616 |
| Other Experimental Properties | Ratio of Specific Heats of vapor (gas): 1.079; Latent Heat of Vaporization: 223 BTU/lb = 124 cal/g = 5.19X10+3 J/kg |
| Chemical Classes | Solvents -> Glycol Ethers (E Series) |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H226:Flammable liquids H370:Specific target organ toxicity, single exposure H373:Specific target organ toxicity, repeated exposure |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
COMPUTED DESCRIPTORS
| Molecular Weight | 76.09 g/mol |
|---|---|
| XLogP3 | -0.8 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 2 |
| Exact Mass | 76.052429494 g/mol |
| Monoisotopic Mass | 76.052429494 g/mol |
| Topological Polar Surface Area | 29.5 Ų |
| Heavy Atom Count | 5 |
| Formal Charge | 0 |
| Complexity | 14.4 |
| 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
Ethylene glycol monomethyl ether appears as a clear colorless liquid. Flash point of 110 °F. Less dense than water. Vapors are heavier than air.