Factory Supply CAS No. 99-50-3 3,4-Dihydroxybenzoic Acid

Quick Details Port: China Main Port Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram Supply Ability: 5000 Kilogram/Kilograms per Month Other Names: Protocatechoic Acid Molecular Weight: 154.12 Grade Standard: food grade,Medicine Grade,Agriculture Grade Product Name: 3,4-Dihydroxybenzoic Acid Purity: 99%,99% Shelf life: 2 Years Grade: Industrail Grade, fool grade, agricultural grade EINECS: 202-760-0 Appearance: White powder CAS No.: 99-50-3 Storage: Dry CAS: 99-50-3 EINECS No.: 202-760-0 MF: C7H6O4 Certificate: ISO Packaging Detail: Foil bag/ drum Factory Supply CAS No. 99-50-3 3,4-Dihydroxybenzoic Acid     Product Name: 3,4-Dihydroxybenzoic Acid Appearance: White powder MF: C7H6O4 MW:  154.12 CAS No.: 99-50-3 EINECS: 202-760-0 Melting Point: 197-200 ℃ Boiling Point: 237.46 ℃ Purity: 99% Density: 1.54     ANALYSIS SPECIFICATION RESULTS Appearance White powder Complies Odor Characteristic Complies Assay ≥99% 99% Mesh size 100% pass 80 mesh Complies Loss on drying ≤3.0% 1.65% Heavy metal ≤10 ppm Complies Pb ≤1.0 ppm Complies As ≤2.0 ppm Complies Hg ≤1.0 ppm Complies Cd ≤2.0 ppm Complies Solvent Residue <1 ppm Complies Residue of pesticide Negative Negative MICROBIOLOGY Total Plate Count                         <1000cfu/g           Complies Yeast & Moulds <100cfu/g Complies E.Coli Negative Complies Salmonella Negative Complies Conclusion Conform with specification     Protocatechuic […]