聚 1,2-丙二醇 (CAS No.9042-19-7)
- 物化性质
- 25℃下为透明液体。不溶于水，溶于乙醇、甲苯等有机溶剂。属于非离子表面活性剂，分子链端含活性羟基，可与活性氢或双键反应。密度约1.0 g/cm³（25℃），闪点（闭杯）约230℃。
English description（英文原文，共 1032 字符）
Product Name:Poly(1,2-propanediol)
English Name:Poly(1,2-propanediol)
CAS No.:9042-19-7
Aliases:Polypropylene glycol, Poly(propylene oxide), PPG
Molecular Formula:(C3H6O)n
Physical Properties:Clear liquid at 25°C. Insoluble in water, soluble in ethanol, toluene and other organic solvents. It is a non-ionic surfactant containing reactive hydroxyl groups at the chain ends that can react with active hydrogen or double bonds. Density approx. 1.0 g/cm³ at 25°C; flash point (closed cup) approx. 230°C.
Uses:This product is a non-ionic surfactant, insoluble in water and soluble in organic solvents. It carries reactive groups that can react with active hydrogen or double bonds and is typically used for grafting onto modified silicone oils. It can be used as a defoaming agent or as a polyurethane foam stabilizer.
Technical Specifications:
Appearance (25°C): clear liquid.
Water content: ≤0.2%.
pH value (as 1% aqueous solution): 5.5-7.0.
Conductivity (10% solution, 25°C): ≤10 μS/cm.
Hydroxyl value: 18.0-22.0 mgKOH/g.
English Name:Poly(1,2-propanediol)
CAS No.:9042-19-7
Aliases:Polypropylene glycol, Poly(propylene oxide), PPG
Molecular Formula:(C3H6O)n
Physical Properties:Clear liquid at 25°C. Insoluble in water, soluble in ethanol, toluene and other organic solvents. It is a non-ionic surfactant containing reactive hydroxyl groups at the chain ends that can react with active hydrogen or double bonds. Density approx. 1.0 g/cm³ at 25°C; flash point (closed cup) approx. 230°C.
Uses:This product is a non-ionic surfactant, insoluble in water and soluble in organic solvents. It carries reactive groups that can react with active hydrogen or double bonds and is typically used for grafting onto modified silicone oils. It can be used as a defoaming agent or as a polyurethane foam stabilizer.
Technical Specifications:
Appearance (25°C): clear liquid.
Water content: ≤0.2%.
pH value (as 1% aqueous solution): 5.5-7.0.
Conductivity (10% solution, 25°C): ≤10 μS/cm.
Hydroxyl value: 18.0-22.0 mgKOH/g.
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常见问题
- 聚 1,2-丙二醇的 CAS 号是多少？
- 聚 1,2-丙二醇的 CAS 号是 9042-19-7。
- 聚 1,2-丙二醇的分子式和分子量是什么？
- 聚 1,2-丙二醇的分子式为 (C3H6O)n。
- 聚 1,2-丙二醇的英文名称是什么？
- 聚 1,2-丙二醇的英文名称为 Poly(1,2-propanediol)。
- 聚 1,2-丙二醇还有哪些别名？
- 聚 1,2-丙二醇又称 聚丙二醇、聚环氧丙烷、PPG。
- 聚 1,2-丙二醇有哪些供应商和生产厂家？
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