Sulfadiazine CAS#68-35-9

Broad-Spectrum Antimicrobial Activity: Sulfadiazine is effective against a wide range of sensitive bacteria and microorganisms, including streptococci, staphylococci, E. coli, Chlamydia, and Toxoplasma.


Effective Inhibition of Bacterial Growth: By blocking folic acid synthesis in bacterial cells, it effectively suppresses bacterial growth and reproduction.


Targeted Mechanism of Action: Its structure is similar to PABA, allowing it to competitively inhibit dihydrofolate synthase and interfere with essential nucleic acid synthesis.


Widely Used Clinical Anti-Infective Agent: As a well-established sulfonamide anti-infective drug, it is commonly used in clinical applications and pharmaceutical formulations.


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Product Description

Product Description of Sulfadiazine CAS#68-35-9

Sulfadiazine is a clinical sulfonamide anti-infective drug. It competitively inhibits bacterial folic acid synthesis by mimicking PABA, blocking DNA production and bacterial growth. It is active against a wide range of bacteria and other microorganisms including chlamydia, plasmodium and toxoplasma.


Product Application of Sulfadiazine CAS#68-35-9

Sulfadiazine is a potent sulfonamide antibacterial with rapid absorption, slow excretion and high blood levels. It treats a wide range of bacterial infections including meningitis, respiratory and urinary tract infections, acting by inhibiting bacterial folic acid synthesis. It also provides astringent effects in pharmaceutical applications.

Product Information

Parameters


Melting point253 °C (dec.) (lit.)
Boiling point512.6±52.0 °C(Predicted)
density1.3780 (rough estimate)
refractive index1.6440 (estimate)
storage temp.2-8°C
solubilitySoluble in dimethyl sulfoxide.
pkpKa 2.21(H2O t = 25 I = 0.5 (NaCl)) (Uncertain)
formpowder
colorwhite
Water Solubility67.13mg/L(25 ºC)
Merck148903
BRN6733588
BCS Class45750
CAS DataBase Reference68-35-9(CAS DataBase Reference)
NIST Chemistry ReferenceSulfadiazine(68-35-9)
EPA Substance Registry SystemBenzenesulfonamide, 4-amino-N-2-pyrimidinyl- (68-35-9)


Safety Information


Hazard CodesXn,Xi
Risk Statements22-36/37/38-42/43-43-42
Safety Statements26-36
RIDADR3249
WGK Germany3
RTECSWP1925000
F10
TSCAYes
HazardClass6.1(b)
PackingGroupIII
HS Code29335990
ToxicityLD50 oral in mouse: 1500mg/kg


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A: We are a professional service provider specializing in chemical foreign trade. Rather than being limited to the products of a single factory, we leverage the chemical industry cluster in Shandong Province to integrate production resources from multiple high-quality manufacturers. This allows us to offer a wide range of sourcing options—covering various product categories and origins—instead of simply pushing a single product. Furthermore, our core competitiveness lies in our professional foreign trade services (covering documentation, logistics, and regulatory compliance), ensuring a smooth and worry-free procurement process for you.


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A: We strictly adhere to international trade rules (Incoterms® 2020) and accept various payment methods, such as Letters of Credit (L/C) and Telegraphic Transfers (T/T). For new clients, we support small-batch trial orders and can clearly define arbitration clauses and applicable laws within the contract. Additionally, we maintain a robust risk management system to help you mitigate common trade risks, such as exchange rate fluctuations, shipping delays, and document discrepancies.


Q3: Do you have experience serving clients in Russian-speaking regions?
A: Yes. We place great importance on the Russian-speaking market; our team includes Russian-speaking business professionals who are well-versed in the import regulations of Russia and the Eurasian Economic Union (EAEU). We understand the importance of EAC certification to clients in these regions and can assist with related compliance inquiries. We have established connections with chemical traders across various CIS countries and have gained valuable experience in specialized packaging and temperature-controlled shipping designed to withstand harsh local winter conditions.


Q4: How do you guarantee product quality?
A: We implement a strict supplier qualification and periodic audit system. A Certificate of Analysis (COA)—issued by the original manufacturer—is provided with every shipment. We also welcome pre-shipment inspections conducted by internationally recognized third-party agencies such as SGS, BV, or ITS. Should the test results fail to meet the standards specified in the contract, you have the right to reject the goods or request a replacement.

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