Sodium fumarate

Item

Value

Appearance

white crystalline powder without any taste

Assay(as Sodium fumarate),%

≥98.0

Heavy metals(Pb),%

≤0.002

Loss on dry,%

≤0.5

Loss on ignition,%

50.05-52.5

pH

3.0-4.0

Sulfate(SO₄ ),%

≤0.01

As₂O₃ ,%

≤0.0002