Grade |
ACS,Reag. Ph Eur |
Hill Formula |
C₁₅H₁₅N₃O₂ |
Molar Mass |
269.31 g/mol |
Structure formula Image |
|
Melting Point |
178 - 182 °C |
Bulk density |
300 - 500 kg/m3 |
Storage class |
10 - 13 Other liquids and solids |
WGK |
WGK 2 obviously hazardous to water |
Disposal |
3 |
Hazard Symbols |
|
Categories of danger |
dangerous for the environment |
R Phrase |
R 51/53 |
S Phrase |
S 61 |
Storage |
Store at +5°C to +30°C. |
Declaration (railroad and road) ADR, RID |
Kein Gefahrgut |
Declaration (transport by air) IATA-DGR |
No Dangerous Good |
Declaration (transport by sea) IMDG-Code |
No Dangerous Good |
Identity (UV/VIS-Spectrum) |
passes test |
Appearance |
Red to red-violet powder, eventually with granular parts. |
Clarity of solution (1 g/l; ethanol) |
passes test |
Melting point (capillary method, temperatur measerment in the heating block) |
179 - 182 °C |
Transition range |
pH 4.4 - pH 6.0 Red - yellow |
Absorption maximum (buffer pH 4.5) |
523 - 526 nm |
Absorption maximum (buffer pH 6.2) |
427 - 437 nm |
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 4.5; calculated on anhydrous substance) |
1350 - 1500 |
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 6.2; calculated on anhydrous substance) |
700 - 800 |
Transition range (according to ACS) |
passes test |
Loss on drying (110 °C) |
≤ 5 % |