Hill Formula |
C₁₆H₁₈ClN₃S * x H₂O |
Chemical formula |
C₁₆H₁₈ClN₃S * x H₂O (x=2-3) |
Molar Mass |
319.86 g/mol (anhydrous) |
Structure formula Image |
|
Melting Point |
180 °C (decomposition) |
pH value |
3 (10 g/l, H₂O, 20 °C) |
Bulk density |
400 - 600 kg/m3 |
Solubility |
50 g/l |
LD 50 oral |
LD50 Rat 1180 mg/kg |
Hazard Pictogram(s) |
|
Hazard Statement(s) |
H302: Harmful if swallowed. |
Signal Word |
Warning |
Storage class |
10 - 13 Other liquids and solids |
WGK |
WGK 2 obviously hazardous to water |
Disposal |
3 |
Hazard Symbols |
|
Categories of danger |
harmful |
R Phrase |
R 22 |
Storage |
Store at +5°C to +30°C. |
Dye content (spectrophotometrically) |
≥ 82 % |
Identity |
|
- UV/VIS-Spectrum |
passes test |
Absorption maximum λ max (ethanol 50 %) |
660 - 665 nm |
Spec. Absorptivity A 1%/1cm (λmax; 0.003 g/l; ethanol 50 %) |
2250 - 2750 |
TLC-Test |
passes test |
Loss on drying (110 °C) |
10 - 15 % |
Suitability for microscopy |
passes test |