4-Methylnicotinic acid
Also known as: 4-Methyl-3-pyridinecarboxylic acid, 4-Methylpyridine-3-carboxylic acid, 4-Methyl-nicotinic acid, 4-Methyl-nicotinsaeure, NSC22592, AKOS BBS-00002964, IFLAB-BB F1957-0023, MFCD00128869, RARECHEM AL BO 2391
4-Methylnicotinic acid (CAS 3222-50-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7NO2 and a molecular weight of 137.136 g/mol. Key properties include a melting point of 217-221ºC, a boiling point of 304.1±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 137.7±22.3 °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.
- 3222-50-2
- Jingsj CID
- J-1306753-3
- Molecular Formula
- C7H7NO2
- Molecular Weight
- 137.136 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 217-221ºC |
|---|---|
| Boiling Point | 304.1±22.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 137.7±22.3 °C |
| Exact Mass | 137.047684 |
| PSA | 50.19000 |
| LogP | 0.61 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.561 |
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 4-Methylnicotinic acid?
The CAS number of 4-Methylnicotinic acid is 3222-50-2.
What are the molecular formula and molecular weight of 4-Methylnicotinic acid?
4-Methylnicotinic acid has molecular formula C7H7NO2 and molecular weight 137.136 g/mol.
Is 4-Methylnicotinic acid hazardous?
4-Methylnicotinic acid 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 4-Methylnicotinic acid?
For 4-Methylnicotinic acid, Upstream Products: Methyl 4-methylnicotinate, 3-Cyano-4-methylpyridine, 3-Bromo-4-methylpyridine; Downstream Products: (4-Methylpyridin-3-yl)methanol, 3,4-Pyridinedicarboxylic acid, 3-Amino-4-methylpyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methylnicotinic acid (CAS 3222-50-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1306753-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.