1.07293

4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one

GR for analysis

• Synonym(s): 4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one, 4-Aminoantipyrine
• Empirical Formula (Hill Notation): C₁₁H₁₃N₃O
• CAS Number: 83-07-8
• Molecular Weight: 203.24
• MDL number: MFCD00003145
• UNSPSC Code: 12352115
• EC Index Number: 201-452-3
• NACRES: NA.05

Properties

• Quality Level: 100
• form: solid
• potency: 1700 mg/kg LD₅₀, oral (Rat)
• pH: 7.1 (20 °C, 100 g/L in H₂O, slurry)
• mp: 107-109 °C
• solubility: 56 g/L
• bulk density: 430 kg/m³
• storage temp.: 15-25°C
• InChI: 1S/C11H13N3O/c1-8-10(12)11(15)14(13(8)2)9-6-4-3-5-7-9/h3-7H,12H2,1-2H3
• InChI key: RLFWWDJHLFCNIJ-UHFFFAOYSA-N

Description

Analysis Note

Assay (perchloric acid titration): ≥ 99
Identity (IR-spectrum): passes test
Melting point: 107 - 109
Sulfated ash: ≤ 0.1 %
Loss on drying (90 °C): ≤ 0.5 %
Sensitivity test (to phenol): passes test

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H302
• pcodes: P264 - P270 - P301 + P312 - P501
• Hazard Classifications: Acute Tox. 4 Oral
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable