Chemical Name: Distearyl thiodipropionate
CAS No: 693-36-7
Molecular formula: C42H82O4S
Molecular Weight: 683.16
Package: 25kg/cardboard drum with plastic lining
Specification
Item
|
Index
|
Appearance
|
white crystal powder
|
Melting point (℃)
|
65-67
|
Boiling point (℃) at 760 mmHg
|
704.8
|
Flash point (℃)
|
323.7
|
crystallizing point (℃)
|
63.5-68.5
|
Acid value mg KOH/g ≤
|
0.05
|
Assay % ≥
|
99
|
Volatile matter % ≤
|
0.5
|
Ash % ≤
|
0.1
|
Density g/cm3
|
0.919
|
Properties: White crystal powder. Soluble in benzene, chloroform, carbon disulfide and carbon tetrachloride, and difficult to soluble in DMF and toluene, insoluble in acetone, ethanol and water.
Application: A good auxiliary antioxidant and is widely used in polypropylene, polyethylene, polyvinyl chloride, ABS rubber and lubricating oil. It has high-melting and low- volatility. It can be used in combination with phenolic antioxidants and ultraviolet absorbers to produce synergistic effect.
Storage Notes: Stored in cold, dry, good ventilated place, avoid direct sunlight.