Sulfamethoxypyridazine
Also known as: Sulphamethoxypyridazine, Sulfametoxipiridazine, Sulfapyridazine, Sulfdurazin, Sulfozona, Sultirene, Surirene, Lederkyn, Midicel, Kynex, Durox, Paramid, 4-amino-N-(6-methoxypyridazin-3-yl)benzenesulfonamide, N1-(6-Methoxy-3-pyridazinyl)sulfanilamide, 4-Amino-N-(6-methoxy-3-pyridazinyl)benzenesulfonamide
Sulfamethoxypyridazine (CAS 80-35-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H12N4O3S and a molecular weight of 280.303 g/mol. Key properties include a melting point of 182 °C, a boiling point of 564.9±60.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 295.4±32.9 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H318 — Causes serious eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 80-35-3
- Jingsj CID
- J-32939-6
- Molecular Formula
- C11H12N4O3S
- Molecular Weight
- 280.303 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 182 °C |
|---|---|
| Boiling Point | 564.9±60.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 295.4±32.9 °C |
| Exact Mass | 280.063019 |
| PSA | 115.58000 |
| LogP | 0.32 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.647 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2935009090 |
|---|---|
| Summary | 2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0% |
Frequently Asked Questions
What is the CAS number of Sulfamethoxypyridazine?
The CAS number of Sulfamethoxypyridazine is 80-35-3.
What are the molecular formula and molecular weight of Sulfamethoxypyridazine?
Sulfamethoxypyridazine has molecular formula C11H12N4O3S and molecular weight 280.303 g/mol.
Is Sulfamethoxypyridazine hazardous?
Sulfamethoxypyridazine has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H318 — Causes serious eye damage; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Sulfamethoxypyridazine?
For Sulfamethoxypyridazine, Upstream Products: Sulfachloropyridazine, Sodium methoxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sulfamethoxypyridazine (CAS 80-35-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32939-6 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.