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Sulfadimethoxine

Also known as: 4-Amino-N-(2,6-dimethoxy-4-pyrimidinyl)benzenesulfonamide, 4-Amino-N-[2,6-bis(methyloxy)pyrimidin-4-yl]benzenesulfonamide, N1-(2,6-dimethoxy-4-pyrimidinyl)sulfanilamide, Sulphadimethoxine, SDM, Agribon, Albon, Diasulfa, Madroxin, Madroxine, Maxulvet, Deposul, Memcozine, Metoxidon

Sulfadimethoxine (CAS 122-11-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H14N4O4S and a molecular weight of 310.329 g/mol. Key properties include a melting point of 200 °C, a boiling point of 548.5±60.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 285.5±32.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
122-11-2
Jingsj CID
J-48213-8
Molecular Formula
C12H14N4O4S
Molecular Weight
310.329 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point200 °C
Boiling Point548.5±60.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point285.5±32.9 °C
Exact Mass310.073578
PSA124.81000
LogP1.48
Vapor Pressure0.0±1.5 mmHg at 25°C
Refractive Index1.623
Storage Conditions2-8°C
Additional PropertyNH4OH 1 M: 50 mg/mL, clear, faintly yellow

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. http://www.drugbank.ca/drugs/DB06150

Customs & Trade Information

HS Code2935009090
Summary2935009090 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 Sulfadimethoxine?

The CAS number of Sulfadimethoxine is 122-11-2.

What are the molecular formula and molecular weight of Sulfadimethoxine?

Sulfadimethoxine has molecular formula C12H14N4O4S and molecular weight 310.329 g/mol.

Is Sulfadimethoxine hazardous?

Sulfadimethoxine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Sulfadimethoxine?

For Sulfadimethoxine, Upstream Products: 4-Nitrobenzenesulfonyl chloride, 4-amino-2,6-dimethoxypyrimidine, N-Acetylsulfanilyl chloride.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Sulfadimethoxine (CAS 122-11-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48213-8 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.