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Ethylene glycol CAS#107-21-1
Chemical Name：Ethylene glycol
CAS No.:107-21-1
Appearance:Blue Viscous Liquid
Molecular Formula：C2H6O2
Molecular weight:62.07
Sample: Available
Products Description of Ethylene glycol CAS#107-21-1
Ethylene glycol (CAS 107-21-1) industrial product purity ≥ 99.0%, colorless transparent viscous liquid with sweet odor. Melting point -12.9℃, boiling point 197.3℃. Vapor pressure 0.06kPa (20℃), relative density 1.113 (20℃). Soluble in water, ethanol and acetone, slightly soluble in ether. Stable, incompatible with strong oxidants and concentrated acids.
Parameters
| Melting point | -13 °C (lit.) |
| Boiling point | 195-198 °C |
| density | 1.113 g/mL at 25 °C (lit.) |
| vapor density | 2.1 (vs air) |
| vapor pressure | 0.08 mm Hg ( 20 °C) |
| refractive index | n |
| Fp | 230 °F |
| storage temp. | 2-8°C |
| solubility | water: miscible |
| pka | 14.22(at 25℃) |
| form | Viscous Liquid |
| color | blue |
Relative polarity | 0.79 |
| Odor | Odorless |
| PH | 6-7.5 (100g/l, H2O, 20℃) |
| explosive limit | 3.2%(V) |
| Water Solubility | miscible |
| FreezingPoint | -11.5℃ |
| Sensitive | Hygroscopic |
| λmax | λ: 260 nm Amax: ≤0.03 λ: 280 nm Amax: ≤0.01 |
| Merck | 14,3798 |
| BRN | 505945 |
| Dielectric constant | 37.0（20℃） |
| Exposure limits | Ceiling limit in air for vapor and mist 50 ppm (~125 mg/m3) (ACGIH); TWA 10 mg/m3 (particulates) (MSHA). |
| LogP | -1.36 at 25℃ |
| Surface tension | 47.7mN/m at 20°C |
| CAS DataBase Reference | 107-21-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,2-Ethanediol(107-21-1) |
| EPA Substance Registry System | Ethylene glycol (107-21-1) |
Safety Information
| Hazard Codes | Xn |
| Risk Statements | 22-36-41 |
| Safety Statements | 26-39-36/37/39 |
| RIDADR | UN3082 |
| WGK Germany | 3 |
| RTECS | KW2975000 |
| Autoignition Temperature | 752 °F |
| TSCA | Yes |
| HazardClass | 9 |
| HS Code | 29053100 |
| Hazardous Substances Data | 107-21-1(Hazardous Substances Data) |
| Toxicity | LD50 in rats, guinea pigs (g/kg): 8.54, 6.61 orally (Smyth); in mice (ml/kg): 13.79 orally (Bornmann) |
Product Application of Ethylene glycol CAS#107-21-1
thylene glycol is used as an antifreeze inheating and cooling systems (e.g., automobileradiators and coolant for airplane motors).It is also used in the hydraulic brake fluids;as a solvent for paints, plastics, and inks; as a softening agent for cellophane; and in themanufacture of plasticizers, elastomers, alkydresins, and synthetic fibers and waxes.
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