N'-Hydroxypyridine-4-carboximidamide
4-吡啶基偕胺肟
Also known as: 4-Pyridinecarboxamide oxime, 4-Pyridylamidoxime, Isonicotinamide oxime, Isonicotinamidoxime, N'-Hydroxy-4-pyridinecarboximidamide, N-Hydroxy-4-pyridinecarboximidamide, N-Hydroxyisonicotinamidine, N-Hydroxypyridine-4-carboximidamide, Pyridine-4-carboxamide oxime
N'-Hydroxypyridine-4-carboximidamide (CAS 1594-57-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7N3O and a molecular weight of 137.139 g/mol. It is also known as 4-Pyridinecarboxamide oxime, 4-Pyridylamidoxime and Isonicotinamide oxime. Key properties include a melting point of 128-133 °C(lit.), a boiling point of 350.0±34.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 165.5±25.7 °C. 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.
- 1594-57-6
- Jingsj CID
- J-34076-0
- Molecular Formula
- C6H7N3O
- Chinese Name
- 4-吡啶基偕胺肟
- Molecular Weight
- 137.139 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 128-133 °C(lit.) |
|---|---|
| Boiling Point | 350.0±34.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 165.5±25.7 °C |
| Exact Mass | 137.058914 |
| PSA | 71.50000 |
| LogP | -0.11 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.620 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 N'-Hydroxypyridine-4-carboximidamide?
The CAS number of N'-Hydroxypyridine-4-carboximidamide is 1594-57-6.
What are the molecular formula and molecular weight of N'-Hydroxypyridine-4-carboximidamide?
N'-Hydroxypyridine-4-carboximidamide has molecular formula C6H7N3O and molecular weight 137.139 g/mol.
Is N'-Hydroxypyridine-4-carboximidamide hazardous?
N'-Hydroxypyridine-4-carboximidamide 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 N'-Hydroxypyridine-4-carboximidamide?
For N'-Hydroxypyridine-4-carboximidamide, Upstream Products: 4-Cyanopyridine, Hydroxylamine hydrochloride, Isonicotinic acid; Downstream Products: 4-[5-(chloromethyl)-1,2,4-oxadiazol-3-yl]pyridine, 4-Amidinopyridine hydrochloride, [3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl]methanol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N'-Hydroxypyridine-4-carboximidamide (CAS 1594-57-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34076-0 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.