Monoethylene Glycol - Materials / Alfa Chemistry

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Monoethylene Glycol

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Catalog Number

ACMA00017489

Product Name

Monoethylene Glycol

Category

Chemical Resins

Description

Ethylene glycol is a clear, colorless syrupy liquid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Since it is a liquid it can easily penetrate the soil and contaminate groundwater and nearby streams.;Liquid; WetSolid;PEG 400 is a clear, viscous, colourless or almost colourless hygroscopic liquid; PEG 3000, PEG 3350, PEG 4000, PEG 6000 and PEG 8000 are white or almost white solids with a waxy or paraffin-like appearance;Liquid;ODOURLESS COLOURLESS VISCOUS HYGROSCOPIC LIQUID.;COLOURLESS VISCOUS SLIGHTLY HYGROSCOPIC LIQUID.;Clear, colorless, syrupy, odorless liquid.;Clear, colorless, syrupy, odorless liquid. [antifreeze] [Note: A solid below 9°F.];Clear, colorless, syrupy (viscous) liquid at room temperature. Often colored fluorescent yellow-green when used in automotive antifreeze.

IUPAC Name

ethane-1,2-diol

Molecular Weight

62.07g/mol

Molecular Formula

(C2H4O)nH₂O (n = number of ethylene oxide units corresponding to a molecular weight of 6 000, about 140);HOCH2CH₂OH;HO(C2H4O)nH;CH₂OHCH₂OH;C2H6O2

Canonical SMILES

C(CO)O

InChI

InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

InChI Key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

Boiling Point

387.7 °F at 760 mm Hg (NTP, 1992);197.3 °C;197.3 °C;197 °C;250 °C;388°F;388°F

Melting Point

9 °F (NTP, 1992);-13.0 °C;PEG 400: 4-8 °C; PEG 3000: 50-56 °C; PEG 3350: 53-57 °C; PEG 4000: 53-59 °C; PEG 6000:55-61 °C; PEG 8000: 55-62 °C;-12.69 °C;4-10°C;-13 °C;softening point;9°F;9°F

Flash Point

232 °F (NTP, 1992);232 °F (111 °C) (closed cup);111.11 °C c.c., 115 °C o.c.;171-235 °C;232°F;232°F

Density

1.115 at 68 °F (USCG, 1999);1.1135 g/cu cm AT 20 °C;Relative density (water = 1): 1.1;Relative density (water = 1): 1.13;1.11;1.11

Solubility

greater than or equal to 100 mg/mL at 63.5° F (NTP, 1992);16.11 M;PEG 400 is miscible with water, very soluble in acetone, in alcohol and in methylene chloride, practically insoluble in fatty oils and in mineral oils; PEG 3000 and PEG 3350: very soluble in water and in methylene chloride, very slightly soluble in alcohol, practically insoluble in fatty oils and in mineral oils; PEG 4000, PEG 6000 and PEG 8000: very soluble in water and in methylene chloride, practically insoluble in alcohol and in fatty oils and in mineral oils.;Miscible with lower aliphatic alcohols, glycerol, acetic acid, acetone and similar ketones, aldehydes, pyridine, similar coal tar bases; slightly soluble in ether (1:200); practically insoluble in benzene, its homologs, chlorinated hydrocarbons, petroleum ether, oils;Miscible with water;Solubility in water: miscible;Solubility in water at 20 °C: very good;Miscible

Color/Form

Clear, colorless, syrupy, liquid [Note: A solid below 9 degrees F].

Complexity

Covalently-Bonded Unit Count

EC Number

203-473-3;919-715-2

Exact Mass

62.036779g/mol

Formal Charge

Heat of Vaporization

50.5 kJ/mol

Heavy Atom Count

ICSC Number

0270;1517

Log P

-1.36 (LogP);log Kow = -1.36;-1.36

MeSH Entry Terms

1,2 Ethanediol;1,2-Ethanediol;2 Hydroxyethanol;2-Hydroxyethanol;Ethylene Glycol;Glycol, Ethylene;Glycol, Monoethylene;Monoethylene Glycol

Monoisotopic Mass

62.036779g/mol

NSC Number

155081;152325;152324;93876;57859;32854;32853

Odor

Odorless

Other Experimental

Percent in saturated air at 25 °C: 0.017;Conversion factors: 1 ppm = 2.54 mg/cu m at 25 °C, 760 mm Hg; 1 mg/L = 365.0 ppm at 25 °C, 760 mm Hg;Specific heat: 0.561 cal/g/deg C at 20 °C; dipole moment: 2.20; heat of formation: -108 kcal/mol; heat of fusion: 44.7 cal/g; heat of vaporization: 191 cal/g; heat of solution: -6.5 cal/g at 17 °C when 75 parts are mixed with 63 parts water (w/w); considerably hygroscopic, absorbs twice its weight in water at 100% relative humidity;Saturation concentration in air: <0.34 g/cu m at 20 °C, 0.65 g/cu m at 30 °C; vapor pressure 0.05 mm Hg at 20 °C, 0.2 mm Hg at 30 °C;Ratio of specific heats of vapor (gas): 1.095.;Bulk density: 9.31 lb/gal (15/15C);Permitivity: 41.4 at 293.2 K;Thermal conductivity in W/m K: 0.248 at 0 °C; 0.254 at 25 °C; 0.258 at 50 °C; 0.261 at 75 °C; 0.261 at 100 °C;Isothermal compressibility coefficient: 36,400 Mpa-1 at 20 °C; Cubic expansion coefficient: 626 °C-1;Heat capacity = 149.4 J/K mol at 19.8 °C; 151 J/K mol at 27 °C;Henry's Law constant = 6.00X10-8 atm-cu m/mol at 25 °C;Hydroxyl radical reaction rate constant = 7.7X10-12 cu cm/molecule-sec at 25 °C

Refractive Index

Index of refraction: 1.4318 at 20 °C

Rotatable Bond Count

RTECS Number

KW2975000;TQ3500000;TQ3850000

UNII

FC72KVT52F

UN Number

3082

Vapor Density

2.14 (NTP, 1992) (Relative to Air);2.1 (Air = 1);Relative vapor density (air = 1): 2.1;2.14

Vapor Pressure

0.06 mm Hg at 68 °F ; 1 mm Hg at 127.4° F (NTP, 1992);0.09 mmHg;0.092 mm Hg at 25 °C /Extrapolated/;Vapor pressure, Pa at 20 °C: 6.5;Vapor pressure, Pa at 20 °C:;0.06 mmHg;0.06 mmHg

Viscosity

/p>PEG 400: 105 to 130 mPa.s at 20 °C; PEG 3000: 75 to 100 mPa.s at 20 °C; PEG 3350: 83 to 120 mPa.s at 20 °C; PEG 4000: 110 to 170 mPa.s at 20 °C; PEG 6000: 200 to 270 mPa.s at 20 °C; PEG 8000: 260 to 510 mPa.s at 20 °C; For polyethylene glycols having a average molecular weight greater than 400, the viscosity is determined on a 50 per cent m/m solution of the candidate substance in water;16.1 mPa-sec at 25 °C; 6.554 mPa-sec at 50 °C; 3.340 mPa-sec at 75 °C; 1.975 mPa-sec at 100 °C;21 mPa*s at 20 °C

XLogP3

-1.4

MSDS

Download MSDS

COA

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Spec Sheet

Download Spec Sheet

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