
Indigo Carmine 25Grm
for analysis
Manufacturer: Merck
Catalog ID: 104724.0025
Stock: In Stock
Description
Catalogue Number | 104724 |
Product Information
CAS number | 860-22-0 |
EC number | 212-728-8 |
Hill Formula | C₁₆H₈N₂Na₂O₈S₂ |
Molar Mass | 466.36 g/mol |
HS Code | 3204 12 00 |
Physicochemical Information
Density | 0.71 g/cm3 (29 °C) |
Melting Point | >340 °C |
pH value | 7 (10 g/l, H₂O, 20 °C) |
Bulk density | 700 - 900 kg/m3 |
Solubility | 1 g/l |
Toxicological Information
LD 50 oral | LD50 Rat > 2000 mg/kg |
Storage and Shipping Information
Storage | Store below +30°C. |
Specifications
Dye content (spectrophotometrically) | ≥ 80 % |
Identity (UV/VIS-Spectrum) | passes test |
Absorption maximum λmax. (water) | 608 - 612 nm |
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; water) | 380 - 475 |
TLC-Test | passes test |
Loss on drying (110 °C) | ≤ 10 % |