2,4-Dinitrobenzenesulfonic acid hydrate
2,4-Dinitrobenzenesulfonic acid hydrate (CAS 698999-22-3) is a hydrated organic compound featuring a sulfonic acid group and two nitro groups on a benzene ring. This chemical serves as a valuable building block and intermediate in various chemical synthesis processes. Its structure makes it useful in organic synthesis, particularly for reactions involving sulfonic or nitro functionalities. It is supplied by Tech Serve Solutions for research and industrial applications.
- Synonyms
- (O2N)2C6H3SO3H · xH2O

Organic Synthesis Intermediate
2,4-Dinitrobenzenesulfonic acid hydrate is utilized as an intermediate in the synthesis of more complex organic molecules. Its reactive functional groups allow for diverse chemical transformations.
Building Block in Chemical Research
As a building block, it provides a scaffold for the development of new compounds in academic and industrial research laboratories. Its specific substitution pattern is key to its synthetic utility.
Sulfonic Acid Derivative
The presence of the sulfonic acid group makes it a useful reagent for introducing sulfonate functionalities into organic structures.
| Molecular weight | 248.17 (anhydrous basis) |
|---|---|
| Linear formula | (O2N)2C6H3SO3H · xH2O |
| Melting point | 95-98 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Transport (UN / ADR) | UN 3261 8 / PGII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,4-Dinitrobenzenesulfonic acid hydrate used for?
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2,4-Dinitrobenzenesulfonic acid hydrate is primarily used as an intermediate and building block in organic synthesis and chemical research.
What are the CAS number and formula for this compound?
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The CAS number is 698999-22-3. The linear formula is (O2N)2C6H3SO3H · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical on an anhydrous basis with a molecular weight of 248.17. It is suitable for research and general chemical applications. We do not represent it as USP, BP, EP, or pharmacopoeia grade.
How should 2,4-Dinitrobenzenesulfonic acid hydrate be handled?
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This compound is classified as corrosive and can cause severe skin burns and eye damage (H314). Handle with appropriate personal protective equipment, including gloves, eye protection, and protective clothing. Ensure good ventilation. In case of contact, rinse immediately with plenty of water and seek medical advice.
Is 2,4-Dinitrobenzenesulfonic acid hydrate packed and shipped internationally?
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Yes, Tech Serve Solutions specialises in the global supply and export of fine chemicals, including 2,4-Dinitrobenzenesulfonic acid hydrate, adhering to international shipping regulations for hazardous materials (UN 3261, Class 8).
How can I request a quote or sample?
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To request a quote or a sample, please use the contact form on our website or contact our sales department directly, providing the product name and CAS number.
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