8.06753

4-Pyridinecarboxylic acid hydrazide

for synthesis

• Synonym(s): 4-Pyridinecarboxylic acid hydrazide, Isoniazide, 4-Pyridinecarbohydrazide, Isonicotinic acid hydrazide
• Linear Formula: 4-(H₂NNHCO)C₅H₄N
• CAS Number: 54-85-3
• Molecular Weight: 137.14
• MDL number: MFCD00006426
• UNSPSC Code: 12352127
• EC Index Number: 200-214-6
• NACRES: NA.22

Properties

• Quality Level: 200
• potency: 1250 mg/kg LD₅₀, oral (Rat)
• pH: 6-8 (20 °C, 50 g/L in H₂O)
• mp: 169-172 °C
• transition temp: flash point >250 °C
• solubility: 125 g/L
• bulk density: 800 kg/m³
• storage temp.: 15-25°C
• InChI: 1S/C6H7N3O/c7-9-6(10)5-1-3-8-4-2-5/h1-4H,7H2,(H,9,10)
• InChI key: QRXWMOHMRWLFEY-UHFFFAOYSA-N

Description

Analysis Note

Assay (HClO₄): ≥ 99.0 %
Melting range (lower value): ≥ 169 °C
Melting range (upper value): ≤ 172 °C
Identity (IR): passes test

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H302 - H315
• Precautionary Statements: P264 - P280 - P301 + P312 - P302 + P352 - P332 + P313 - P362 + P364
• Hazard Classifications: Acute Tox. 4 Oral - Skin Irrit. 2
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3