Nicotinohydrazide
Also known as: Nicotinic acid hydrazide, 3-Pyridinecarboxylic acid hydrazide, Pyridine-3-carbohydrazide, 3-Pyridoylhydrazine, Nicotinoylhydrazine, Isoniazid Impurity B
Nicotinohydrazide (CAS 553-53-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H7N3O and a molecular weight of 137.139 g/mol. Key properties include a melting point of 159-161 °C(lit.) and a density of 1.2±0.1 g/cm3. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 553-53-7
- Jingsj CID
- J-30463-2
- Molecular Formula
- C6H7N3O
- Molecular Weight
- 137.139 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 159-161 °C(lit.) |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Exact Mass | 137.058914 |
| PSA | 68.01000 |
| LogP | -0.83 |
| Refractive Index | 1.584 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Kruszynski R. A structural and theoretical study of intermolecular interactions in nicotinohydrazide dihydrochloride. Acta Crystallogr C. 2011 Feb;67(Pt 2):o52-6. |
|---|
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Nicotinohydrazide?
The CAS number of Nicotinohydrazide is 553-53-7.
What are the molecular formula and molecular weight of Nicotinohydrazide?
Nicotinohydrazide has molecular formula C6H7N3O and molecular weight 137.139 g/mol.
Is Nicotinohydrazide hazardous?
Nicotinohydrazide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Nicotinohydrazide?
For Nicotinohydrazide, Upstream Products: Methyl nicotinate, Ethyl nicotinate, Nicotinic acid; Downstream Products: 5-(Pyridin-3-yl)-4H-1,2,4-triazol-3-amine, Nicotinaldehyde, 5-(Pyridin-3-yl)-1,3,4-oxadiazole-2-thiol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Nicotinohydrazide (CAS 553-53-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30463-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.