- Product Details
Keywords
Quick Details
- ProName: Direct Red 31
- CasNo: 5001-72-9
- Molecular Formula: C32H21N5Na2O8S2
- Appearance: Red brown powder
- Application: paper, textile, cotton,hemp,viscose,si...
- DeliveryTime: within 20 days
- PackAge: 25kg/bag,as your requested
- Port: tianjin
- ProductionCapacity: 1000 Metric Ton/Year
- Purity: 100%
- Storage: Be stored in shade, dry & well-ventila...
- Transportation: by air or sea
- LimitNum: 5 Metric Ton
Superiority
palmredpowderwhich,easilysolubleinhotwater,solubleincoldwater,solutionof10wasyellowred;Solubleinethanolorangecolorveryslightlysolu
Details
palm red powder which, easily soluble in hot water, soluble in cold water, solution of 10 was yellow red; Soluble in ethanol orange color very slightly soluble in acetone, almost insoluble in ether soluble in ethanol orange color, slightly soluble in acetone in strong sulfuric acid are dark blue, the pale blue after diluted in water solution and the blue precipitate generated strong hydrochloric acid play light blue heavy