Succinic anhydride:
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
|
Mainly used in producing medicament,plasticizer,bonding agent,electronic industrial,analytical reagent,agrochemcial,resin ect.
Sample is available.