丙二醇
简介
1.CAS NO 57-55-6
2.丙二醇是一种有机化合物，可与水、乙醇及多种有机溶剂混溶。 在正常情况下，它是无色粘稠的液体，几乎无味，微甜。
规格
|
Items |
Unit |
Specification |
Results |
|
Color |
Apha color |
10max |
＜10 |
|
Moisture |
Weight % |
0.2max |
0.072 |
|
Specific Gravity |
25℃ |
1.035-1.037 |
1.036 |
|
Refractive index |
25℃ |
1.4307-1.4317 |
1.431 |
|
Distillation range |
(L),℃ |
184-189 |
184 |
|
Distillation range |
(U),℃ |
184-189 |
189 |
|
Distillation volume |
Vol% |
95min |
97.2 |
|
Identification |
—— |
passed |
passed |
|
Acidity |
ml |
0.20max |
0.10 |
|
Chloride |
Weight % |
0.007max |
＜0.007 |
|
Sulfate |
0.006max |
0.006max |
＜0.006 |
|
Heavy metals |
ppm |
5max |
＜5 |
|
Residue on ignition |
Weight % |
0.007max |
0.002 |
|
Organic Volatile impurity Chloroform |
µg/g |
60max |
Non-detected |
|
Organic Volatile impurity 1.4 dioxane |
µg/g |
380max |
Non-detected |
|
Organic Voltile impurity methylene chloride |
µg/g |
600max |
Non-detected |
|
Organic Voltile impurity trichloroethylene |
µg/g |
80max |
Non-detected |
|
Assay |
GLC% |
99.5min |
99.91 |
|
End of Test Data |
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用途
1. 丙二醇可作为不饱和聚酯树脂的原料。 可与甘油、山梨醇一起作为化妆品、牙膏、肥皂的润湿剂。
2. 在染发剂中用作润湿调平剂、防冻剂、玻璃纸、增塑剂和医药工业。
