- Product Details
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Quick Details
-
EINECS No.:
-
209-358-4
-
Place of Origin:
-
China
-
Brand Name:
-
futurechem
-
Model Number:
-
a k 573-58-0
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Product name:
-
Congo Red
-
CAS number:
-
573-58-0
-
Appearance:
-
red powder
-
MW:
-
696.66
-
EINECS number:
-
209-358-4
-
Purity:
-
99%
-
Package:
-
25kg/bag
-
Storage:
-
yes
-
Sample:
-
yes
Quick Details
-
CAS No.:
-
573-58-0
-
Other Names:
-
Congo Red k
-
MF:
-
C32H22N6Na2O6S2, C32H22N6Na2O6S2
-
EINECS No.:
-
209-358-4
-
Place of Origin:
-
China
-
Brand Name:
-
futurechem
-
Model Number:
-
a k 573-58-0
-
Product name:
-
Congo Red
-
CAS number:
-
573-58-0
-
Appearance:
-
red powder
-
MW:
-
696.66
-
EINECS number:
-
209-358-4
-
Purity:
-
99%
-
Package:
-
25kg/bag
-
Storage:
-
yes
-
Sample:
-
yes
Product Description
Congo Red as Acid Dyestuff CAS 573-58-0
| Congo Red Basic information | |
| Product Name: | Congo Red |
| CAS: | 573-58-0 |
| MF: | C32H22N6Na2O6S2 |
| MW: | 696.66 |
| EINECS: | 209-358-4 |
| Congo Red Chemical Properties | |
| Melting point | >360 °C(lit.) |
| density | 0.995 g/mL at 25 °C |
| vapor pressure | <1 Pa |
| storage temp. | Flammables area |
| solubility | H2O: soluble10mg/mL |
| Colour Index | 22120 |
| pka | 4.1(at 25℃) |
| form | Powder/Solid |
| color | Red Brown |
| Odor | Odorless |
| PH | 6.7 (10g/l, H2O, 20℃) |
| PH Range | 3(blue)-5.2(red) |
| Water Solubility | soluble |
| λmax | 497nm, 488nm, 595nm |
| Merck | 142,498 |
| BRN | 3894858 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 573-58-0(CAS DataBase Reference) |
| EPA Substance Registry System | Congo Red (573-58-0) |
COA
| ITEMS | STANDARD | RESULT |
| Appearance | Red even powder | Red even powder |
| Shade | Similar to standard | Similar to standard |
| Strength (%) | 100±3 | 100 |
| Insoluble in water(%) | ≤0.5 | 0.21 |
| Content water (%) | ≤5 | 2.47 |
| Solubility(80℃) | ≥30g/L | 30g/L |
| Remarks | Qualified Product | |
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