Synonyms:butanedioic acid; butane diacid
CAS No.: 110-15-6
Molecular Formula: C2H4(COOH)2
Properties:It is a kind of white crystal and soluble in water and slightly soluble
in ethanol and can be used in five-membered heterocyclic compound.
Specification:
Items |
Grade Priority |
Grade One |
Grade Two |
Assay (w/%)≧ |
99.7 |
99.5 |
99.5 |
Melting range(℃) |
185~188 |
185-188 |
184-188 |
Heavy metals(Pb2+)(%) ≦ |
0.001 |
0.003 |
0.005 |
Sulfate (SO42)(W/%)≦ |
0.01 |
0.03 |
0.05 |
Iron (Fe2+)(W/%)≦ |
0.001 |
0.001 |
0.002 |
Chloride(Cl-)(%)≦ |
0.002 |
0.005 |
0.005 |
Residue on ignition(W/%)≦ |
0.01 |
0.01 |
0.025 |
Moisture(W/%)≦ |
0.4 |
0.4 |
0.5 |
Easy oxides(ml/g)≦ |
0.4 |
0.5 |
0.6 |
Applications:
1.can be used in the industries of dyes,alkyd resin,glass fiber reinforced plastic,ion interaction resin and pesticide.
2..It also can be used in pharmaceutical fields of sedative,contraceptive and anticancer drug etc
3. it is widely used in food additive fields and analysis reagent.
Package: It is packed in kraft paper bag or designated bag,net weight 25kg.
Storage: It must be stored in a cool,ventilated and dry place.