Detailed Product Description
Features: 1) Name: C.I. acid blue 9 2) Index no.: C.I. acid blue 9 (42090), CAS 2650-18-2 3) Chemical formula: C37H36N2O9S3.2H3N 4) Standard of quality: GB7655-1-1996 5) Strength: 200% min. 8) Insolubility: 1.0% max. 9) Water: 5.0% max. 10) Reddish-violet powder or granules with metallic luster 11) Reference: 25mg/kg 12) Use: acid blue 9 is mainly used to color textile products, leather, paper, and also used in the pharmacy, and cosmetics Packing: 25kg/paper drum
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