Product name | Dipropylene glycol(DPG) |
CAS | 25265-71-8 |
Appearance | colorless transparent liquid |
Density | 1.0252 |
Toxicity | low toxicity |
Volatility | unvolatility |
Hygroscopicity | moisture absorption |
Solubleness | Soluble in water and toluene, can be mixed soluble in methanol, ether |
F ragrance grade
Item
|
Index
|
Result
|
Appearance
|
Colorless, transparent and free of visible mechanical impurities stick liquid
|
Colorless, transparent and free of visible mechanical impurities stick liquid
|
Dipropylene glycol w/ % ≥
|
99.7
|
99.955
|
Density 20/20 ºC,g/cm3
|
1.020-1.025
|
1.0245
|
Color(Pt/Co) ≤
|
10
|
<10
|
Propylene glycol, w/ % ≤
|
0.2
|
0.020
|
Tripropylene Glycol , w/ % ≤
|
0.1
|
0.002
|
Moisture , w/% ≤
|
0.1
|
0.008
|
Acidity (by acetic acid) w/ % ≤
|
0.003
|
0.001
|
Fe, mg/kg ≤
|
1
|
0.0072
|
Conclusion
|
fragrance grade
|
Index name
|
Index
|
Result
|
Purity % ≥
|
99.5
|
99.7413
|
Primary boiling point ºC ≥
|
222
|
229
|
Dry point ºC ≤
|
236
|
234
|
Density20/20 ºC
|
1.020-1.025
|
1.025
|
Color(Pt/Co) ≤
|
15
|
10
|
Chlorine(Calculated by Cl-) mg/kg ≤
|
10
|
0
|
Fe mg/kg ≤
|
0.5
|
0
|
Moisture % ≤
|
0.1
|
0.06
|
Combustion residue % ≤
|
0.005
|
0.001
|
Acidity (Calculated by acetic acid) % ≤
|
0.010
|
0.001
|
Appearance
|
Colorless transparent
|
pass
|
Peroxide mmol/L ≤
|
1.25
|
0.01
|
Conclusion
|
Industrial grade
|
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