Description
White, odorless granules or crystalline powder. It is soluble in alcohol, slightly soluble in water and in ether, and very slightly soluble in chloroform
Chemical Name
Trans-butenedioic acid
Molecular Formula
C4H4O4
Structural Formula
Molecular Weight
116.07
Solubility
(g/100g)
in water at 25
0.7
in water at 100
9.8
in alcohol at 30
5.76
in dimethyl benzene at 20
0.03
Specification (Fcciv,1996)
Assay(as C4H4O4)
99.5%~100.5%(anhydrous basis)
Melting Point
294oC~300oC
Arsenic(as As)
3mg/kg Max
Heavy Metals(as Pb)
10mg/kg Max
Maleic Acid
0.10% Max
Residue on Ignition
0.1% Max
Water
0.5% Max
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