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CAS RN: 573-58-0 | Product Number: C0550
Congo Red

Purity: >98.0%(HPLC)
Synonyms:
- Direct Red 28
Product Documents:
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Product Number | C0550 |
Purity / Analysis Method | >98.0%(HPLC) |
Molecular Formula / Molecular Weight | C__3__2H__2__2N__6Na__2O__6S__2 = 696.66 |
Physical State (20 deg.C) | Solid |
Storage Temperature | Room Temperature (Recommended in a cool and dark place, <15°C) |
CAS RN | 573-58-0 |
Reaxys Registry Number | 6765909 |
PubChem Substance ID | 87565658 |
Merck Index (14) | 2498 |
Colour Index | 22120 |
MDL Number | MFCD00004028 |
Specifications
Appearance | Dark red to Brown powder to crystal |
Purity(HPLC) | min. 98.0 area% |
Absorbance | min. 0.270(10 mg/L, pH 5.0, 488.0 to 492.0 nm) |
Drying loss | max. 8.0 % |
Ignition residue(Sulfate) | 18.0 to 40.0 %(after drying) |
Transition interval(pH) | (purple)2.6 to 4.0(dark redish orange) |
NMR | confirm to structure |
Properties (reference)
Solubility in water | Soluble |
Solubility (soluble in) | Ethanol |
GHS
Pictogram |
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Signal Word | Warning |
Hazard Statements | H361 : Suspected of damaging fertility or the unborn child. H351 : Suspected of causing cancer. |
Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant. P202 : Do not handle until all safety precautions have been read and understood. P201 : Obtain special instructions before use. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P308 + P313 : IF exposed or concerned: Get medical advice/ attention. P405 : Store locked up. |
Related Laws:
RTECS# | QK1400000 |
Transport Information:
H.S.code* | 3204.14-000 |
PubMed Literature
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