Product Description
22. Product Name : PVI(CTP)
Chemical Name:N-Cyclohexy(thio)phthalimide
Molecular Formula:C14H15O2SN
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Structural Formula:
Molecular Weight:261.34
CAS NO:17796-82-6
Specification:
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Item
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Crystal
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Oiled crystal
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Granule
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Appearance (visual inspection)
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white (Granule)
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Initial M.P. oC≥
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90.0
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90.0
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90.0
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heating loss %≤
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0.40
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0.40
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0.40
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Ash%≤
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0.30
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0.30
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0.30
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Residues on sieve(63μm), % ≤
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0.50
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0.50
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\
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Residues on sieve(850μm), % ≤
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1.00
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1.00
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\
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Oil content, %
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\
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1.0-2.0
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\
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Granule diameter, mm
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\
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\
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1.5-2.5
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Properties:White powder(Granule). Specific gravity: 1.25--1.35. Soluble in acetone, benzene, toluol, diethyl ether, ethyl acetate, hot CCl4and hot alcohol, slightly soluble in gasoline, insoluble in derosene andwater.
Application:PVI is used for the prevention of prevulcanization in most vulcanization system of sulphur. PVI has higher activity than most delay agents. Frosting will occur when its use level is higher than 0.5 pose.
Packing:25kg plastic woven bag, paper with plastic film bag, kraft paper bag.
Storage:Stored in cool, dry and draughty place. Avoid direct sunlight. Shelf life is 2 yrs.
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