USD $15.00-50.00 / Kilogram
USD $6.00-9.00 / Gram
USD $4.50-5.00 / Liter
USD $4.50-5.00 / Liter
USD $4.50-5.00 / Liter
USD $4.50-5.00 / Liter
USD $4.50-5.00 / Liter
USD $4.50-5.00 / Liter
USD $4.50-5.00 / Liter
specifications: confirm to gb3861, bp, fcc, usp standard.
appearance:white to pale yellow crystalline powder
odder: similar to vanillin
purity (by gc): ≥99.5%
melting point: 81.0~83.0℃
solubility: 1g sample can completely soluble in 2ml 95% ethanol makes transparent solution
loss on drying:≤0.5%
arsenic content: ≤3 mg/kg
heavy metal(pb): ≤10 mg/kg