1,2,3,6-Tetrahydrophthalimide 85-40-5
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Quality index
Index name |
Medical grade
|
Industrial grade
|
Index name |
Medical grade
|
Industrial grade
|
Content |
99.5
|
98
|
Melting point |
118-120
|
115-118
|
Free succinic acid %≤ |
0.2
|
1.2
|
Appearance |
White
|
White
|
Unsaturates %≤(based on Maleic Anhydride ) |
0.1
|
1.5
|
Residue on ignition %≤ |
0.01
|
0.02
|
Sulfide ≤PPm |
400
|
500
|
Heavy metal ≤PPm£¨based on Pb£© |
10
|
18
|
Chloride≤PPm |
150
|
200
|
Relative density |
1.572
|
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