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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] Beata Sadowska et al. Postepy Dermatol Alergol. Carmine allergy in urticaria patients
[3] Chandler W Rundle et al. Dermatitis. Contact Dermatitis to Carmine
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