Vanillic acid CAS NO.121-34-6

Other name: 4-Hydroxy-3-methoxybenzoic acid 1) FEMA no.: 3988 2) CAS: 121-34-6 3) Formula: C8H8O4 4) Molecular weight: 168.15 5) Assay: ≥98…

Other name: 4-Hydroxy-3-methoxybenzoic acid 1) FEMA no.: 3988 2) CAS: 121-34-6 3) Formula: C8H8O4 4) Molecular weight: 168.15 5) Assay: ≥98.0% min. 6) Appearance: Light yellow solid. Specifications Items Specifications Appearance: White crystals Identification: Conforms Assay: 99.0 - 101.0% State of solution(Transmittance): 98.0% min Specific rotation [a]D20: +14.4 ° --- +15.5 ° Loss on drying: 0.20% max Residue on ignition: 0.10% max Chloride(Cl): 0.02% max Sulfate(SO4): 0.020% max Ammonium(NH4): 0.020% max Iron(Fe): 10 mg/kg max Heavy metals(as Pb): 10 mg/kg max Arsenic(As2O3): 1 mg/kg max Foreign amino acids: 0.2% max PH: 5.2 - 6.2