Commodity Description: Item Specification Name Citric acid anhydrous CAS No. 77-92-9 Character colorless crystals or white crystalline powder Assay 99.5%~100.5% Molecular Formula C6H8O7 Molecular Weight 192.12 Loss on dring í_0.5% Density 1.542 Melting point 153-154.5 ípC Flash point 100 ípC Solubility in water 750 g/L (20ípC) Moisture 1.0% Barium salt : Accordance Light transmittance(405nm) 20%Aq.solution clear Readily carbonizabl substance no darker than standard Vitriol ash
Exporter of a wide range of products which include solvent green 7. Solvent Green 7 1. C.I. Dye Index No C.I.59040. 2. Color Light: Yellowish Green. 3. Structural Formula. 4. Foreign Brand D&C Green No8 (90129) ----AI Pyranin----DyStar Pyranine----KKK Spectra Pironine conc----SCC 5. Technical Performance Appearance - Green Strength - over 120% Ash Content - =0.3% Water - =0.8% Mesh Sieve Residue - Residue=3% Color Light - Approximately 6. Purpose: (1)Coloration of office suppliers: Fluorescent Ink, fluorescent marker, aqueous ink, etc. (2)Coloration of alkali cleanser: Hand sanitizer, shampoo, soap, etc. (3)Coloration of aqueous materials: Antifreeze, cutting fluid, water chest, aqueous material, etc. (4)Coloration of grease materials: Lube, cosmetics, etc. (5)Tracer dye of water quality system; (6)Tracer dye of boiler system. 7. Application: It has strong yellow florescence in alkali solution; the pH value should not be lower than 9-10 in the ink formula; and it has strength of 120%, good water solubility and no precipitation. 8. Packaging: Cardboard barrel, 25 kilogram/barrel Minimum Order Quantity: 25 Kilogram