propylene glycol

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propylene glycol Molecular Formula HOCH2CH (OH) CH3 CAS No. 57-55-6 nature sticky stable colorless liquid absorbent, almost tasteless odorless, flammable, low toxicity. With water, ethanol and multiple immiscible organic solvent. Boiling Point 187.3 ° C -60 ° C melting point. The relative density of 1.0381 (20/20 ° C). ND refractive index (20 ° C) 1.4326. The surface tension (20 ° C) 38mN / m. Viscosity (20 ° C) 60.5mPa s. Specific heat capacity (20 ° C) 2.49kJ / (kg ° C). Vaporization fever (101.3 kPa) 711kJ/kg. Heat of combustion (25 ° C) 1824.0kJ/mol. Flash point (open cup) 99 ° C Spontaneous ° C415.5 points. Critical temperature 352 ° C. Critical pressure 6.1MPa. uses for resins, plasticizers, surfactants, emulsifiers and demulsifier of raw materials, may also be used as anti-freeze and heat carrier toxicity toxicity and irritation are very small so far has not found the victims. After intravenous and intraperitoneal injection for the 7000 ~ LD50 8000mg/kg, I LD50 to 2800/kg. But there are also reports that when added to the food and beverage use a high volume, it caused fatal Jiamei and kidney disorder risk. packaging and storing the goods may not spontaneous, but is combustible. Long-term storage qualities, but the openings were absorbing moisture. Storage and transport containers to use galvanized iron, aluminum or stainless steel. Under the general provisions of low toxicity chemical storage and transportation.

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Jinan Huifengda Chemical Co., Ltd.

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