Dipropylene glycol
Molecular Structure:
MDL:
MFCD00051023
Molecular Formula:
C6H14O3;HOC3H6OC3H6OH
Molecular Weight:
134.17
Alias:
二(2-羟丙基)醚,缩水二丙二醇,双丙甘醇,二丙二醇,二聚丙二醇
Bis(hydroxypropyl) ether
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Dipropylene glycol |
98% |
500ml |
RMB 83.6 |
Consulting service |
Dipropylene glycol |
99% |
100ml |
RMB 52.8 |
Consulting service |
Dipropylene glycol |
99% |
500ml |
RMB 173.8 |
Consulting service |
Dipropylene glycol |
99% |
2.5L |
RMB 534.6 |
Consulting service |
Character:
无嗅、无色、水溶性和吸湿性液体。溶于水和甲苯。
沸点:233℃
密度:1.0252
折光率n20/D:1.439
闪点:137℃
熔点:-38.9°C
一缩二丙二醇(DPG)是一种高纯度产品,适用于香精香料和化妆品等对气味比较敏感的用途。这种原料是一种蒸馏产物,其主要成分为二丙二醇,实际纯度高于99.5%,其本身是一种无嗅、无色、水溶性和吸湿性液体。二丙二醇的蒸汽压较低,粘度中等。 一缩二丙二醇(DPG)为多种结构同分异构体的混合物(氧双丙醇、CAS 25265-71-8、EINECS 246-770-3),其成分包含有: 1,1’-氧双-2-丙醇(CAS 110-98-5、EINECS 203-821-4) 2,2’-氧双-1-丙醇(CAS 108-61-2) 2-(2-羟基丙氧基)-1-丙醇(CAS 106-62-7)
Quality Standard:
外观Appearance 透明液体
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity(4种同分异构体) >99% (GC)
比重Specific gravity (25/25°C) 1.0210 - 1.0260
折光率Refractive index n20/D 1.4400 - 1.4420
色度Color scale <15 APHA
水分Water <0.1 %
Storage:
用途 主要用作硝酸纤维素、虫胶、乙酸纤维素等的溶剂,也用作制增朔剂、熏蒸剂、合成洗涤剂等
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