107-21-1 Ethylene glycol CAS NO.107-21-1

ethylene glycol

1.physical and chemical properties

molecular formula c₂h₆o₂

color odor state: colorless and sweet viscous liquid

toxicity: harmful if swallowed flammability: flammable

density: 1.1155 boiling point: 197.3 °c

corrosion: none decomposability: no

stability: good flash point: 110 °c

acidity and alkalinity: neutral spontaneous ignition point: 418 °c

melting point: -13.2 °c viscosity: good

moisture absorption: moisture absorption at higher concentrations

solubility: miscible with water, miscible in ethanol, ether, etc.

2.various numbers: cas: 107-21-1 hs: 2905310000 einecs: 203-473-3

3.uses: used for making polyester polyester, polyester resin, a moisture absorbent, a plasticizer, a surfactant, synthetic fibers, cosmetics and explosives, as a solvent and a dye, ink or the like, antifreeze formulation engine, gas a dehydrating agent that produces resins and can also be used as a wetting agent for cellophane, fibers, leather, and adhesives. it can produce synthetic resin pet, fiber grade pet, ie polyester fiber, and bottle grade pet for making mineral water bottles. it can also produce alkyd resins, glyoxal, etc., and is also used as an antifreeze. in addition to being used as an antifreeze for automobiles, it is also used for the delivery of industrial cold, commonly referred to as secondary refrigerant.

4.production preparation methods, processes: coal-to-synthesis gas method. see related information for details.

5.hazard category: general goods

6.fire-fighting measures: spray water, foam, carbon dioxide, dry powder, sand.

7.first-aid treatment: skin contact: remove contaminated clothing, wash thoroughly with soapy water and water; eye contact: immediately lift eyelids, rinse with running water; ingestion: ingestion of a large amount of warm water, induce vomiting, gastric lavage, seek medical attention.

8.packing, storage and transportation: it can be packed in baking enamel or galvanized iron drum 200-220kg/barrel and stainless steel tank; store in a cool and ventilated warehouse. it should be sealed during storage, and should be sealed with nitrogen, and avoid moisture, fire and frost. general cargo transport

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