Description

2-Nitro-5-Thiosulfobenzoic Acid is a specialized organic intermediate characterized by its unique nitro and thiosulfate functional groups on a benzoic acid core. This compound is valued for its reactivity, serving as a key building block in the synthesis of more complex molecules, particularly in pharmaceutical and fine chemical research. It is primarily sought by R&D chemists and process development teams in the life sciences, agrochemical, and advanced material sectors for constructing novel compounds and developing new synthetic pathways.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring a nitro-aromatic or sulfur-containing moiety.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and pesticides, where its functional groups can be modified to create new bioactive molecules.
• Fine Chemical Production: Serves as a versatile building block for manufacturing dyes, pigments, and other specialty chemicals that require precise molecular architecture.
• Bioconjugation & Probe Development: The thiosulfate group can be utilized in biochemical research for labeling proteins or creating molecular probes and diagnostic agents.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers with specific optical or electronic properties.
• Chemical Research & Process Development: Employed in academic and industrial laboratories for methodological studies, catalyst development, and exploring new organic reactions.

Basic Information

Product Name	2-Nitro-5-Thiosulfobenzoic Acid
CAS No.	90577-18-7
Molecular Formula	C7H5NO7S2
Molecular Weight	279.25 g/mol
Synonyms	5-Thiosulfo-2-nitrobenzoic Acid; 2-Nitro-5-sulfothiobenzoic Acid; Benzoic acid, 2-nitro-5-thiosulfo-; 2-Nitro-5-mercaptosulfonylbenzoic Acid (tautomer); NTBA; 2-Nitro-5-sulfinothiobenzoic Acid; 5-(Sulfothio)-2-nitrobenzoic Acid
EINECS	Contact for details

Quality Control

Our 2-Nitro-5-Thiosulfobenzoic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.