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CARMOISINE A Extra Pure C.I.No.14720 It is used a synthetic azo dye. Acid Red 14, Chromotrope FB, Disodium 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonate, Mordant Blue 79
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Specification
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General
Description
| Article No. | 02552 | Grade | Extra Pure |
| Purity | 50% dye content | CAS No. | 3567-69-9 |
| Molecular Formula | C20H12N2O7S2Na2 | Molecular Weight | 502.43 |
| H.S. Code | 3204.1219 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Red brown | ||||
| Odour | Odorless | Solubility in water [% weight] | Soluble in water | ||||
Specifications
| Appearance | Dark red to brown to black powder | Absorption maxima λmax1 (0.03 g/L in water) | 513 – 519 nm |
| Extinction coefficient at λmax1 | Min 14500 | Absorption maxima λmax2 (0.03 g/L in water) | 320 – 326 nm |
| Extinction coefficient at λmax2 | Min 9000 | Absorption maxima λmax3 (0.03 g/L in water) | 214 – 220 nm |
| Extinction coefficient at λmax3 | Min 33000 |
Safety Information and Hazard Symbols
 |
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date:Â 03-Jan-2018
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