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Dongying City Longxing Chemical Co., Ltd.
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1,2-Propanediol

Details for 1,2-Propanediol

1,2-Propanediol

Category:

Organic chemicals and Derivatives

1,2-Propanediol
CAS NO: 57-55-6
EC NO: 200-338-0
Molecular Formula: C3H8O2
Molecular Weight: 76.09
Specification:
InChI: InChI:1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
Product description:
Physical and chemical properties Color and smell state: colorless, odorless, viscous transparent liquid
Toxicity: non-toxic    Flammability: combustible
Density: 1.0381  Volatility: hard to volatile
Corrosivity: No corrosion Boiling point: 188℃ 
Decomposability: high temperature decomposition Stability: good
Melting point: -59℃ Acidity and alkaline: Neutral
Hygroscopicity: good Spontaneous ignition point: 421.1℃
Stickiness: good Deliquescence: not deliquescence
Flash point: 99℃ Molecular formula: C 3 H 8 O 2
Solubility: miscible with water, ethanol and most organic solvents
Uses It is the main raw material of unsaturated polyester, epoxy resin and polyurethane resin; Propylene glycol has good viscosity and hygroscopicity, and is non-toxic. It is widely used as a moisture absorbent, antifreeze, lubricant and solvent in the food, medicine and cosmetic industries; In the food industry, it is an excellent solvent for seasonings and pigments. In medicine, it is a solvent, softener and excipient for making various ointments and ointments; propylene glycol has good mutual solubility with various spices, so it can also be used Used as a solvent and softener for cosmetics; it can also be used as a tobacco moisturizer, moisturizer, antifungal agent, food processing equipment lubricating oil and food marking ink solvent, propylene glycol aqueous solution is an effective antifreeze. It is also a raw material for plasticizers, surface active agents, food emulsifiers, demulsifiers, fruit ripening agents, preservatives, hygroscopic agents, lubricants, and antifreeze agents.
Hazard category General chemicals
Fire-fighting measures Use anti-capacity foam, carbon dioxide, dry powder, sand to extinguish the fire, and use water to keep the container cool when it is critical.
Emergency treatment Non-toxic, if splashed on the skin or clothes, rinse with water, splash in the eyes with running water or normal saline.
Packaging, storage, transportation It can be packed in galvanized iron drum (200-215kg/drum), plastic drum (200-215kg/drum), IBC (ton drum), liquid bag, stainless steel tank; because propylene glycol is easy to absorb moisture, it should be stored in a closed container in a dry place, airtight The shelf life of barrels is one year, the storage effect of atmospheric tanks is not as good as barrels, and it is not suitable for long-term storage; transportation according to general cargo requirements
 
Synonyms: Propane-1,2-diol;Propylene Glycol;Glycol-Propylene;Dowfrost(Tm);
Molecular Structure: 1,2-Propanediol 57-55-6
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