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ERIOGLAUCINE Indicator grade C.I.No.42090 Erioglaucine is a widely used acid aminotriphenylmethane dye of an intense blue colour. Acid Blue 9, Alphazurine FG, FD&C;BLUE No. 1 Packings 10 g (00010) 25 g (00025) 1GBA000015 1PB1200060 Article No. 03690
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Warranty 1 year
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Specification
Overview
Processor
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RAM
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Video Card
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General
Description
| Article No. | 03690 | Grade | Indicator grade |
| Purity | CAS No. | 3844-45-9 | |
| Molecular Formula | C37H34Na2N2O9S3 | Molecular Weight | 792.85 |
| H.S. Code | 3204.9000 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Violet powder | ||||
| Melting point/ Freezing point [°C] | 283 °C | Density [g/cm3] | 0.65 | ||||
| Solubility in water [% weight] | Soluble in water | ||||||
Specifications
| Appearance | Purple to dark purple powder | Infrared spectrum | Conforms to structure |
| Solubility (0.1% in water) | Clear dark blue solution | Absorption maxima (λmax1) | 627 – 631 nm ((c = 0.005 g/l; Water) |
| Extinction Coefficient (at l1) | Min 80000.00 | Absorption maxima (λmax2) | 405 – 409 nm |
| Extinction Coefficient (at l2) | Min 9500.00 | Absorption maxima (λmax3) | 306 – 310 nm |
| Extinction Coefficient (at l3) | Min 10000.00 |
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