Molecular formula |
C2H2N2 |
Molecular weight |
84.08 |
Specificity |
White crystal or powder, Relative density is 1.40. Melting point is 209-212°C. It is soluble in water and alcohol, slightly insoluble in aether and benzene. Stable when dry. Not flammable. |
Standard |
Q/NDR 005-2001 |
Item |
Index |
Appearance |
White crystal or powder |
Impurity Precipitating Test |
Acceptable |
Purity % ≥ |
99.8 |
Moisture % ≤ |
0.20 |
Ash content % ≤ |
0.02 |
Melting point °C |
209-212 |
Calcium content μ g/g ≤ |
25 |
Fe content μ g/g ≤ |
2 |
Solubility test |
Acceptable |
|
Usage |
Mainly used as curing agent for epoxy resin for copper clad laminate in electronic in formation industry; inner film of metal packages in food and drink industry. Nonpoisonous flame retardant; Additives for plastic packages for food stuff; intermediates of pharmaceuticals, etc. |
Package |
Packed in net 25kg plastic woven bag with plastic bag inside. |
Storage and transportation |
Stored in cool, dry and ventilated warehouse. keep away from moisture and handle with care when transporting, loading and unloading. |