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Key Documents

8.06753

Sigma-Aldrich

4-Pyridinecarboxylic acid hydrazide

for synthesis

Synonym(s):

4-Pyridinecarboxylic acid hydrazide, Isoniazide, 4-Pyridinecarbohydrazide, Isonicotinic acid hydrazide

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About This Item

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

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

Analysis Note

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

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

Certificates of Analysis (COA)

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