Another name: Asuccin
【CAS】: 110-56-6
【Molecular formula】:C3H4(COOH)2
【Structural formula】:
【Molecular weight】: 118.09
【Property】: White crystal. Melting point 185 °C; Boiling point 235 °C(decomposed into anhydride); density: 1.572; soluble in water, slightly soluble in ethanol. Used in the preparation of heterocyclic compounds
| Index name |
Index request |
| First grade |
Qualified |
| Content, % ≥ |
99.0-100.5 |
99.0-100.5 |
| Melting point, °C |
184-188 |
183-188 |
| Ease oxide, % ≤ |
0.07 |
0.1 |
| Sulphate(SO4), % ≤ |
0.02 |
0.07 |
| Water, % ≤ |
0.5 |
0.5 |
| Ferric, % ≤ |
0.0008 |
0.001 |
| Chloride(Cl), % ≤ |
0.005 |
0.007 |
| Arsenic(As) , % ≤ |
0.0002 |
No request |
| Heavy metal(Pb), % ≤ |
0.001 |
No request |
| Residue of roasting, % ≤ |
0.02 |
0.05 |
| Water insoluble, % ≤ |
0.01 |
0.02 |
【Use】:Used in the production of dyes, alkyd、glass fiber reinforced plastic、ion exchange resin and pesticides; in the synthesis of narcotic, prophylactic etc.; also used in edible spice and analytic agents.
【Packing and storage】: Packed in woven bag lined with plastic film, net wt. 25kg/bag.
【Note】:Irritant to skin,eye and respiratory system.
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