Products Description of Ethylene glycol CAS#107-21-1
Purity: Industrial grade, minimum purity ≥ 99.0%
Melting Point: -12.9 °C
Boiling Point: 197.3 °C
Relative Density: 1.113 (20 °C)
Vapor Pressure: 0.06 kPa (20 °C)
Solubility: Completely miscible with water, maleic-anhydride-cas-108-31-6.html">material/ethanol.html">ethanol and acetone; slightly soluble in diethyl ether.
Chemical Stability: It possesses stable chemical properties under conventional storage and operating environments. Direct contact with strong oxidizing agents and concentrated acids is prohibited, as such substances may trigger undesirable chemical reactions.
Parameters
| Item | Value |
| 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 | n20/D 1.431(lit.) |
| 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
| Item | Value |
| 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
Ethylene glycol is a widely used versatile industrial chemical with broad application across multiple sectors.
- It is primarily applied as an efficient antifreeze agent for various cooling and heating circulation systems, including automotive radiators and aircraft engine cooling systems.
- It serves as a key raw material and functional component in the production of hydraulic brake fluids.
- In the coating, plastic and printing ink industries, it acts as a high-performance solvent. It also functions as a softening agent for cellophane materials to improve their flexibility and processability.
- Additionally, it is an essential synthetic raw material for manufacturing plasticizers, elastomers, alkyd resins, synthetic fibers and artificial wax products.
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