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Carmine (Carmine red), a natural red dye extracted from the dried females of the insect Dactylopius coccus var. Costa (cochineal). Carmine is a widely used food additive. Carmine provokes both an immediate hypersensitivity and a delayed systemic response with cutaneous expression.
| CAS Number | 1390-65-4 |
| Form | Solid |
| Solubility (25°C) | Water 100 mg/mL (ultrasonic) |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
[1] Madalina-Elena Ristea et al. J Xenobiot. Indigo Carmine: Between Necessity and Concern
[2] Chandler W Rundle et al. Dermatitis. Contact Dermatitis to Carmine
| Related Fluorescent Dye Products |
|---|
| Carminic Acid (Natural dye)
Carminic acid is an anthraquinone red dye. Carminic acid is used for human-medical cell diagnosis and serves the purpose of the histological investigation of sample material of human origin. |
| Guanidine hydrochloride
Guanidine hydrochloride, the crystalline compound of strong alkalinity formed by the oxidation of guanine, is a normal product of protein metabolism and a protein denaturant. |
| Indocyanine green
Indocyanine green(Cardiogreen) is a cyanine dye used in medical diagnostics. It is used for determining cardiac output, hepatic function, and liver blood flow, and for ophthalmic angiography. |
| CY7
Cy7 (Sulfo-Cyanine7) is a fluorescence labeling agent (Ex=750 nm, Em=773 nm), used to label proteins, antibodies, peptides, and oligonucleotides. |
| Fluo-4 AM
Fluo-4 AM is a fluorescent dye (λex=494 nm, λem=516 nm). |
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