3-Chloro-6-methylpyridazine
Also known as: 6-Chloro-3-methylpyridazine, 3-methyl-6-chloropyridazine, 3-Chloro-6-methyl-1,2-diazine, 3-Chloro-6-methylpyridazine, NSC 18704, AKOS BBS-00001551, 3-Chlor-6-methyl-pyridazin, 3-Cl-6-Mepydz, MFCD00052905, Pyridazine, 3-chloro-6-methyl-
3-Chloro-6-methylpyridazine (CAS 1121-79-5) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H5ClN2 and a molecular weight of 128.56 g/mol. Key properties include a melting point of 50 °C, a boiling point of 257.9±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 134.7±7.4 °C. It is classified under GHS with signal word Danger 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.
- 1121-79-5
- Jingsj CID
- J-1398781-0
- Molecular Formula
- C5H5ClN2
- Molecular Weight
- 128.56 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 50 °C |
|---|---|
| Boiling Point | 257.9±20.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 134.7±7.4 °C |
| Exact Mass | 128.014130 |
| PSA | 25.78000 |
| LogP | 0.56 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.530 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H318 — Causes serious eye damage
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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-Chloro-6-methylpyridazine?
The CAS number of 3-Chloro-6-methylpyridazine is 1121-79-5.
What are the molecular formula and molecular weight of 3-Chloro-6-methylpyridazine?
3-Chloro-6-methylpyridazine has molecular formula C5H5ClN2 and molecular weight 128.56 g/mol.
Is 3-Chloro-6-methylpyridazine hazardous?
3-Chloro-6-methylpyridazine has GHS signal word Danger 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-Chloro-6-methylpyridazine?
For 3-Chloro-6-methylpyridazine, Upstream Products: 6-Methylpyridazin-3(2H)-one, Phosphoryl chloride; Downstream Products: 6-Chloropyridazine-3-carboxylic acid, 3-Hydrazino-6-methylpyridazine, 3-Mercapto-6-methylpyridazine.
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-Chloro-6-methylpyridazine (CAS 1121-79-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1398781-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.