Sodium sulfadiazine

磺胺嘧啶钠

Also known as: Sulfadiazine sodium salt, Sulphadiazine sodium, 4-Amino-N-2-pyrimidinylbenzenesulfonamide sodium salt, Benzenesulfonamide, 4-amino-N-2-pyrimidinyl-, sodium salt (1:1), Sodium [(4-aminophenyl)sulfonyl](2-pyrimidinyl)azanide

Sodium sulfadiazine (CAS 547-32-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9N4NaO2S and a molecular weight of 272.259 g/mol. It is also known as Sulfadiazine sodium salt, Sulphadiazine sodium and 4-Amino-N-2-pyrimidinylbenzenesulfonamide sodium salt. Key properties include a boiling point of 512.6ºC at 760 mmHg, a density of 1.496g/cm3 and a flash point of 263.8ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 547-32-0
Jingsj CID: J-26489-9
Molecular Formula: C₁₀H₉N₄NaO₂S
Chinese Name: 磺胺嘧啶钠
Molecular Weight: 272.259 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	512.6ºC at 760 mmHg
Density	1.496g/cm3
Flash Point	263.8ºC
Exact Mass	272.034393
PSA	97.56000
LogP	2.38040
Storage Conditions	2-8°C

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger

H302 — Harmful if swallowed
H315 — Causes skin irritation
H317 — May cause an allergic skin reaction
H319 — Causes serious eye irritation
H334 — May cause allergy or asthma symptoms if inhaled
H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information	[1]. Kopmann C, et al. Abundance and transferability of antibiotic resistance as related to the fate of sulfadiazine in maize rhizosphere and bulk soil. FEMS Microbiol Ecol. 2013 Jan;83(1):125-34. [2]. Silva LA, et al. Efficacy of sulfadiazine and pyrimetamine for treatment of experimental toxoplasmosis with strains obtained from human cases of congenital disease in Brazil. Exp Parasitol. 2019 Jul;202:7-14.

Additional Information

[1]. Kopmann C, et al. Abundance and transferability of antibiotic resistance as related to the fate of sulfadiazine in maize rhizosphere and bulk soil. FEMS Microbiol Ecol. 2013 Jan;83(1):125-34. [2]. Silva LA, et al. Efficacy of sulfadiazine and pyrimetamine for treatment of experimental toxoplasmosis with strains obtained from human cases of congenital disease in Brazil. Exp Parasitol. 2019 Jul;202:7-14.

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Sodium sulfadiazine?

The CAS number of Sodium sulfadiazine is 547-32-0.

What are the molecular formula and molecular weight of Sodium sulfadiazine?

Sodium sulfadiazine has molecular formula C10H9N4NaO2S and molecular weight 272.259 g/mol.

Is Sodium sulfadiazine hazardous?

Sodium sulfadiazine has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Sodium sulfadiazine (CAS 547-32-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26489-9 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.