3-Chloroisonicotinaldehyde
Also known as: 3-Chloropyridine-4-carboxaldehyde, 3-Chloro-4-pyridinecarboxaldehyde, 3-Chloro-4-pyridinecarbaldehyde, 3-Chloro-4-formylpyridine, 3-Chloropyridine-4-carbaldehyde, 4-Pyridinecarboxaldehyde, 3-chloro-
3-Chloroisonicotinaldehyde (CAS 72990-37-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4ClNO and a molecular weight of 141.555 g/mol. Key properties include a melting point of 58-62ºC(lit.), a boiling point of 224.9±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 89.8±21.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 72990-37-5
- Jingsj CID
- J-1989995-7
- Molecular Formula
- C6H4ClNO
- Molecular Weight
- 141.555 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 58-62ºC(lit.) |
|---|---|
| Boiling Point | 224.9±20.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 89.8±21.8 °C |
| Exact Mass | 140.998138 |
| PSA | 29.96000 |
| LogP | 1.37 |
| Appearance | Crystalline Powder | White to yellow |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.593 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye 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 3-Chloroisonicotinaldehyde?
The CAS number of 3-Chloroisonicotinaldehyde is 72990-37-5.
What are the molecular formula and molecular weight of 3-Chloroisonicotinaldehyde?
3-Chloroisonicotinaldehyde has molecular formula C6H4ClNO and molecular weight 141.555 g/mol.
Is 3-Chloroisonicotinaldehyde hazardous?
3-Chloroisonicotinaldehyde has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.
What are the upstream and downstream products of 3-Chloroisonicotinaldehyde?
For 3-Chloroisonicotinaldehyde, Upstream Products: 3-Chloropyridine, N,N-Dimethylformamide, Ethyl formate; Downstream Products: 3-Chloro-4-cyanopyridine, 3-Methylisonicotinaldehyde, 3-chloro-4-(chloromethyl)pyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Chloroisonicotinaldehyde (CAS 72990-37-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1989995-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.