3,5-Dimethylpyridine N-oxide
Also known as: 3,5-Dimethylpyridine 1-oxide, 3,5-Lutidine N-oxide, 3,5-DIMETHYLPYRIDINE-N-OXIDE, 3,5-DMePyNO, 3,5-Dimethylpyridinium-1-olate, Pyridine,3,5-dimethyl-, 1-oxide, RARECHEM AQ NN 0181, MFCD00126839
3,5-Dimethylpyridine N-oxide (CAS 3718-65-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NO and a molecular weight of 123.15200 g/mol. Key properties include a melting point of 100-104ºC(lit.), a boiling point of 290.4ºC at 760mmHg, a density of 1g/cm3 and a flash point of 129.4ºC. 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.
- 3718-65-8
- Jingsj CID
- J-18033-6
- Molecular Formula
- C7H9NO
- Molecular Weight
- 123.15200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 100-104ºC(lit.) |
|---|---|
| Boiling Point | 290.4ºC at 760mmHg |
| Density | 1g/cm3 |
| Flash Point | 129.4ºC |
| Exact Mass | 123.06800 |
| PSA | 25.46000 |
| LogP | 1.73190 |
| Refractive Index | 1.509 |
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 3,5-Dimethylpyridine N-oxide?
The CAS number of 3,5-Dimethylpyridine N-oxide is 3718-65-8.
What are the molecular formula and molecular weight of 3,5-Dimethylpyridine N-oxide?
3,5-Dimethylpyridine N-oxide has molecular formula C7H9NO and molecular weight 123.15200 g/mol.
Is 3,5-Dimethylpyridine N-oxide hazardous?
3,5-Dimethylpyridine N-oxide 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 3,5-Dimethylpyridine N-oxide?
For 3,5-Dimethylpyridine N-oxide, Upstream Products: 3,5-Dimethylpyridine; Downstream Products: 3,5-dimethylpyridin-4-amine, 3,5-Dimethylpyridin-2-amine, 3,5-Dimethylpyridine.
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 N-oxide (CAS 3718-65-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18033-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.