Formula: Carminic Acid + Al³⁺ salts in water/alcohol (specific formula)
CAS: N/A (Mixture)
EC No.: N/A (Mixture)
M (Molar Mass): N/A (Solution)
D (Density): ~1.0 g/cm³ (approx.)
mp (Melting Point): Not applicable
bp (Boiling Point): Not applicable
Optical Rotation: Not applicable
Chemicals Properties
Assay: Complies with staining performance for acidic mucins.
Appearance: Deep red to crimson solution.
Staining Performance: When used on tissue sections (e.g., gastrointestinal), selectively stains acid mucopolysaccharides and mucins a bright rose-red color.
Composition: Carminic acid (from cochineal) complexed with aluminum in a hydroalcoholic solution.
Shelf Life: Stable for several months when stored properly.
