1390-65-4
Product Name:
Carmine
Formula:
C22H20O13
Synonyms:
Alum lake of carminic acid;Carmine (C.I. 75470);Cochineal;Nacarat;Natural Red 4
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Red crystals in methanol; bright red powder; deep red color in water; [HSDB] |
|---|---|
| Melting Point | 136 °C |
| Solubility | 1.3 mg/mL at 25 °C |
| Chemical Classes | Dyes -> Anthraquinone Dyes |
COMPUTED DESCRIPTORS
| Molecular Weight | 492.4 g/mol |
|---|---|
| XLogP3 | 0.5 |
| Hydrogen Bond Donor Count | 9 |
| Hydrogen Bond Acceptor Count | 13 |
| Rotatable Bond Count | 3 |
| Exact Mass | 492.09039069 g/mol |
| Monoisotopic Mass | 492.09039069 g/mol |
| Topological Polar Surface Area | 243 Ų |
| Heavy Atom Count | 35 |
| Formal Charge | 0 |
| Complexity | 864 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 5 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Red food colouring The source of this color is a picture of a "deep carmine pink" flower at the following website:; The source of this color is a watercolor color swatch called light carmine displayed at the following website:. Carmine red belongs to the family of Anthraquinone Glycosides. These are organic compounds containing an anthraquinone moiety glycosidically bound to a carbohydrate moiety.