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Thermo Scientific Chemicals
Brilliant Crocein
CAS: 5413-75-2 | C22H16N4Na2O7S2 | 558.491 g/mol
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Chemical Identifiers
CAS5413-75-2
IUPAC Namedisodium (8Z)-7-oxo-8-{2-[4-(2-phenyldiazen-1-yl)phenyl]hydrazin-1-ylidene}-7,8-dihydronaphthalene-1,3-disulfonate
Molecular FormulaC22H14N4Na2O7S2
InChI KeyOJPSNKJNYKPDPH-HKWNQDJZSA-L
SMILES[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(C(=NNC3=CC=C(C=C3)N=NC3=CC=CC=C3)C(=O)C=C2)C(=C1)S([O-])(=O)=O
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Specifications
Specification Sheet
Specification SheetAppearance (Color)Red to red-brown
Loss on Drying<10% (200?C/constant wt)
lambda-max (UV-Vis)505-515nm (in water)
Specific Absorbance (E 1%/1cm)450-700
FormPowder
Brilliant Crocein is used mainly as a wool, silk, leather paper and leather dyeing. Can also be used for plastic, wood, spices, electrical-controlled aluminum, medicine color. Can make the ink, the heavy metal salt can be used as pigment.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
Brilliant Crocein is used mainly as a wool, silk, leather paper and leather dyeing. Can also be used for plastic, wood, spices, electrical-controlled aluminum, medicine color. Can make the ink, the heavy metal salt can be used as pigment.
Solubility
Soluble in water
Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Keep away from strong oxidizing agents.
Brilliant Crocein is used mainly as a wool, silk, leather paper and leather dyeing. Can also be used for plastic, wood, spices, electrical-controlled aluminum, medicine color. Can make the ink, the heavy metal salt can be used as pigment.
Solubility
Soluble in water
Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Keep away from strong oxidizing agents.
RUO – Research Use Only
General References:
- JK Pal.;D Godbole.; K Sharma. Staining of proteins on SDS polyacrylamide gels and on nitrocellulose membranes by Alta, a color used as a cosmetic. Journal of Biochemical and Biophysical Methods.2004, 61 (3), 339-347.
- WH Cheung.; YS Szeto.; G McKay. Intraparticle diffusion processes during acid dye adsorption onto chitosan. Bioresource Technology.2007, 98 (15), 2897-2904.