Dow陶氏丙二醇PG(工业级)

产品品牌Dow陶氏
产品型号
产品规格
产品产地沙特阿拉伯

产品特性

PGI is a distilled product with a purity specification of minimum 99.5% and is available from The Dow Chemical Company in drum, IBC and bulk quantities. PGI is a colorless, water soluble, hygroscopic liquid with a characteristic glycol odor, medium viscosity, low vapor pressure and low toxicity. Structure CH -CH(OH)-CH OH;

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化学识别

化学品名Propylene Glycol

产品英文名PG Propylene Glycol

CAS号57-55-6

分子式C3H8O2

分子量76.09

物理与规格

外观Colorless viscous liquid

熔点/沸点熔点：-60 °C；沸点：187.6 °C

技术指标Molecular weight (g/mol) 76.10 Boiling point, 101.3 kPa (1 atm) 187.4°C (369.3°F) Distillation range, 101.3 kPa (1 atm) 186-189°C (367°F-372°F) Vapor pressure 20°C (68°F) 0.011 kPa (0.08 mm Hg) 0.017 kPa (0.13 mm Hg) 25°C (77°F) Freezing point Supercools Pour point < -57°C (-71°F) Specific gravity 20/20°C (68/68°F) 1.038 25/4°C (77/39°F) 1.033 60/4°C (140/39°F) 1.007 Refractive index n20/D, 20°C (68°F) 1.4310-1.4330 Viscosity, 25°C (77°F) 48.6 centipoise (mPa.s) 60°C (140°F) 8.42 centipoise (mPa.s) Specific heat, 25°C (77°F) 2.51 J/(g°K) (0.60 Btu/lb/°F) Surface tension, 25°C (77°F) 36 mN/m (36 dynes/cm) Flash point, Pensky-Martens Closed Cup 104°C (220°F) Autoignition temperature 371°C (700°F) 1 -1 -1 Thermal conductivity, 25°C (77°F) 0.2061 W/(m°K) (0.1191 Btu hr ft °F ) Electrical conductivity, 25°C (77°F) 10 micro S/m (0.1 * 10-7 mhos/cm) Heat of formation -422 kJ/mol (-101 Kcal/g-mol) Heat of vaporization, 25°C (77°F) 67 kJ/mol (379 Btu/lb) These properties do not constitute

作为Dow陶氏的醇类产品，本品，在分类上属于涂料、油墨及原材料 > 溶剂/稀释剂 > 醇类类别。产品信息以品牌与分类为主，便于分类管理；该产品名称与分类信息可用于同类产品之间的区分。

适合作为醇类类原料进入下游配方体系，参与生产配料环节。具体用法与工艺条件需结合下游配方确定；并做好批次与工艺记录。

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Dow陶氏 丙二醇PG(工业级)

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