Sulfamerazine
Also known as: 2-sulfanilamido-4-methylpyrimidine, 4-Amino-N-(4-methyl-2-pyrimidinyl)benzenesulfonamide, N1-(4-Methylpyrimidin-2-yl)sulfanilamide, A-310, DEBENAL, METSULFA, Mebacid, Mesulfa, RP 2632, Romezin, SMI, Sulfamerazin, sulphamerazine, 2643-RP
Sulfamerazine (CAS 127-79-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H12N4O2S and a molecular weight of 264.304 g/mol. Key properties include a melting point of 234-238°C, a boiling point of 519.1±52.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 267.8±30.7 °C. 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.
- 127-79-7
- Jingsj CID
- J-1422676-8
- Molecular Formula
- C11H12N4O2S
- Molecular Weight
- 264.304 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 234-238°C |
|---|---|
| Boiling Point | 519.1±52.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 267.8±30.7 °C |
| Exact Mass | 264.068085 |
| PSA | 106.35000 |
| LogP | 0.34 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.660 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. HALL, W.H. and W.W. SPINK, Sulfamerazine: clinical evaluation in 116 cases. Journal of the American Medical Association, 1943. 123(3): p. 125-131. |
|---|
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 Sulfamerazine?
The CAS number of Sulfamerazine is 127-79-7.
What are the molecular formula and molecular weight of Sulfamerazine?
Sulfamerazine has molecular formula C11H12N4O2S and molecular weight 264.304 g/mol.
Is Sulfamerazine hazardous?
Sulfamerazine 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 Sulfamerazine?
For Sulfamerazine, Upstream Products: 2-Amino-4-methylpyrimidine, N-Acetylsulfanilyl chloride, Sulfaguanidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sulfamerazine (CAS 127-79-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1422676-8 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.