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              Kunshan midstar dyestuff Chem. Co., Ltd.
              Products
              1,8-Diaminonaphthalene

              Product name Pigment yellow HGR
              Molecular formula C10H10N2
              Molecularweight 158.2
              Appearance Pale red crystal
              Purity ≥99%HPLC
              Moisture 1.5-≤0.5%
              Melting Point ≥65℃
              Similar product (Clariant)Fast Yellow HGR
              CAS.NO. 479-27-6
              Structural formula

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