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
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Hazard Symbols

Dangerous for the environment

Categories of danger

dangerous for the environment

R Phrase

R 51/53
Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

S Phrase

S 61
Avoid release to the environment. Refer to special instructions/ Safety data sheets.

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 (λ_max; 0.005 g/l; buffer pH 4.5; calculated on anhydrous substance)

1350 - 1500

Spec. Absorptivity A 1%/1cm (λ_max; 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 %