Item | Specifications |
Appearance | White acicular crystal or crystal powder |
Content | 99.00~100.50% |
Melting point | 171~175℃ |
Iron (Fe) | ≤0.002% |
Heavy metals (as Pb) | ≤0.002% |
Residue after ignition | ≤0.100% |
Hydroquinone
CAS No.: 123-31-9
Molecular Fomula: C6H6O2
Molecular weight: 110.11
Appearance: white crystal powder
Assay: 99%min
Photographic developer for rubber and gasoline antioxidants, dye intermediates used as detergent corrosion inhibitor, stabilizer and antioxidant, pharmaceutical intermediates, are also used in cosmetics of hair dyes, rubber protective agent, stabilizer and antioxidant.
25kg/bag or 25kg/drum
Preserve in tight, light-resistant containers at room temperature.