Dipropylene glycol
Molecular Structure:
MDL:
MFCD00051023
Molecular Formula:
C6H14O3;HOC3H6OC3H6OH
Molecular Weight:
134.17
Alias:
二(2-羥丙基)醚,縮水二丙二醇,雙丙甘醇,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:
無嗅、無色、水溶性和吸濕性液體。溶于水和甲苯。
沸點:233℃
密度:1.0252
折光率n20/D:1.439
閃點:137℃
熔點:-38.9°C
一縮二丙二醇(DPG)是一種高純度產品,適用于香精香料和化妝品等對氣味比較敏感的用途。這種原料是一種蒸餾產物,其主要成分為二丙二醇,實際純度高于99.5%,其本身是一種無嗅、無色、水溶性和吸濕性液體。二丙二醇的蒸汽壓較低,粘度中等。 一縮二丙二醇(DPG)為多種結構同分異構體的混合物(氧雙丙醇、CAS 25265-71-8、EINECS 246-770-3),其成分包含有: 1,1’-氧雙-2-丙醇(CAS 110-98-5、EINECS 203-821-4) 2,2’-氧雙-1-丙醇(CAS 108-61-2) 2-(2-羥基丙氧基)-1-丙醇(CAS 106-62-7)
Quality Standard:
外觀Appearance 透明液體
紅外光譜鑒別Infrared spectrometry 和對照品匹配
純度Purity(4種同分異構體) >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 主要用作硝酸纖維素、蟲膠、乙酸纖維素等的溶劑,也用作制增朔劑、熏蒸劑、合成洗滌劑等
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