Salazosulfamide

柳氮磺胺

Also known as: Benzoic acid,5-[2-[4-(aminosulfonyl)phenyl]diazenyl]-2-hydroxy-, 2-Hydroxy-5-[(4-sulfamoylphenyl)diazenyl]benzoic acid, 4'-(Aminosulfonyl)-4-hydroxyazobenzene-3-carboxylic acid, 5-[[4-(Aminosulfonyl)phenyl]azo]-2-hydroxybenzoic acid, Salazosulfamida, Salazosulfamidum, Salazosulfanilamidum, Chromo-Sulfol, G-33, Lutazol, Oftazol, Ophtazol, Salosept, Sulfasalazine Impurity 2 (RRT 0.75), EINECS 205-366-7

Salazosulfamide (CAS 139-56-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H11N3O5S and a molecular weight of 321.309 g/mol. It is also known as Benzoic acid,5-[2-[4-(aminosulfonyl)phenyl]diazenyl]-2-hydroxy-, 2-Hydroxy-5-[(4-sulfamoylphenyl)diazenyl]benzoic acid and 4'-(Aminosulfonyl)-4-hydroxyazobenzene-3-carboxylic acid. Key properties include a boiling point of 639.9±65.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 340.8±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
139-56-0
Jingsj CID
J-1328212-9
Molecular Formula
C13H11N3O5S
Chinese Name
柳氮磺胺
Molecular Weight
321.309 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point639.9±65.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point340.8±34.3 °C

Frequently Asked Questions

What is the CAS number of Salazosulfamide?

The CAS number of Salazosulfamide is 139-56-0.

What are the molecular formula and molecular weight of Salazosulfamide?

Salazosulfamide has molecular formula C13H11N3O5S and molecular weight 321.309 g/mol.

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

Last updated:

How to cite: Jingsj. "Salazosulfamide (CAS 139-56-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1328212-9 (accessed 2026-10-24).

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