3,5-Dimethylpyridine
Also known as: 3,5-Lutidine, 3,5-dimethyl-pyridine, Pyridine, 3,5-dimethyl-, EINECS 209-708-6, MFCD00006404, T6NJ C1 E1, 3,5-Dimetylpyridine, 3,5-lutidene
3,5-Dimethylpyridine (CAS 591-22-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9N and a molecular weight of 107.153 g/mol. Key properties include a melting point of -9 °C, a boiling point of 170.7±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 53.3±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H301 — Toxic if swallowed and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 591-22-0
- Jingsj CID
- J-30607-0
- Molecular Formula
- C7H9N
- Molecular Weight
- 107.153 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -9 °C |
|---|---|
| Boiling Point | 170.7±9.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 53.3±0.0 °C |
| Exact Mass | 107.073502 |
| PSA | 12.89000 |
| LogP | 1.65 |
| Vapor Pressure | 1.9±0.3 mmHg at 25°C |
| Refractive Index | 1.502 |
| Additional Property | 33 g/L (20 ºC) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H301 — Toxic if swallowed
- H331 — Toxic if inhaled
- H312 — Harmful in contact with skin
- H314 — Causes severe skin burns and eye damage
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 3,5-Dimethylpyridine?
The CAS number of 3,5-Dimethylpyridine is 591-22-0.
What are the molecular formula and molecular weight of 3,5-Dimethylpyridine?
3,5-Dimethylpyridine has molecular formula C7H9N and molecular weight 107.153 g/mol.
Is 3,5-Dimethylpyridine hazardous?
3,5-Dimethylpyridine has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H301 — Toxic if swallowed; H331 — Toxic if inhaled.
What are the upstream and downstream products of 3,5-Dimethylpyridine?
For 3,5-Dimethylpyridine, Upstream Products: Formaldehyde, Propionaldehyde, 3,5-Dimethylpyridine N-oxide; Downstream Products: 3,5-Dimethylpyridine N-oxide, 5-Methylnicotinic acid, Pyridine-3,5-dicarboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,5-Dimethylpyridine (CAS 591-22-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30607-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.