Sulfamethazine, 99%

Name: Sulfamethazine, 99%
Brand: Vaqora Chemicals
SKU: VQ-011998

About Sulfamethazine, 99%

Sulfamethazine (CAS 57-68-1) is a diazine derivative offered by Vaqora Chemicals with a typical assay of 99.0–101.0%. Its molecular formula is C12H14N4O2S and its molecular weight is 278.33 g/mol. The IUPAC name is 4-amino-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide. Alternative names: 4,6-Dimethylsulfadiazine and Sulfadimidine.

In its supplied form it is white to off-white powder or crystals. Store it at 2–8 °C, in a tightly closed container. It carries the GHS signal word “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Sulfamethazine in 25 g, 100 g, 250 g and 5 x 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Sulfamethazine, 99%
Catalogue No.	VQ-011998
CAS Number	57-68-1
IUPAC name	4-amino-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide
Molecular formula	C₁₂H₁₄N₄O₂S
Molecular weight	278.33 g/mol
Exact mass	278.0837
Purity / assay	99.0–101.0%
HSN code	39100090
InChIKey	ASWVTGNCAZCNNR-UHFFFAOYSA-N
SMILES	CC1=CC(=NC(=N1)NS(=O)(=O)C2=CC=C(C=C2)N)C
PubChem CID	5327

Physical properties
Physical form	Crystalline
Appearance	White to off-white powder or crystals
LogP (XLogP3)	0.3
H-bond donors / acceptors	2 / 6
TPSA	106 Å²
Storage	2–8 °C
Synonyms	4,6-Dimethylsulfadiazine, 4-Amino-N-(4,6-dimethyl-2-pyrimidinyl)benzenesulfonamide, Sulfadimidine, Sulfadimerazine, Sulphamethazine, Sulfamezathine, Sulphadimidine, Sulfadimethylpyrimidine, Sulfadimezine, Sulfadimethyldiazine, Sulfadimesine, Sulphamezathine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Sulfamethazine, 99%?

The CAS Registry Number of Sulfamethazine, 99% is 57-68-1. It is also known as 4,6-Dimethylsulfadiazine, 4-Amino-N-(4,6-dimethyl-2-pyrimidinyl)benzenesulfonamide, Sulfadimidine.

What is the molecular formula and molecular weight of Sulfamethazine, 99%?

Sulfamethazine, 99% has the molecular formula C12H14N4O2S and a molecular weight of 278.33 g/mol. Its IUPAC name is 4-amino-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide.

Which grade and pack sizes of Sulfamethazine, 99% can I order?

We supply Sulfamethazine, 99% in (99.0–101.0%) grade, in 25 g, 100 g, 250 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sulfamethazine, 99%?

Yes. Every lot of Sulfamethazine, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Sulfamethazine, 99% be shipped internationally?

Yes. Sulfamethazine, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

How should Sulfamethazine, 99% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.