4-Nitrocatechol sulfate dipotassium salt
4-Nitrocatechol sulfate dipotassium salt (CAS: 14528-64-4) is a chemical compound with the formula C6H3NO7SK2 and a molecular weight of 311.35. It presents as a yellow crystalline solid. This compound is primarily recognised for its role as a substrate in biochemical research, particularly for enzymes like arylsulfatases A and B. It serves as a valuable tool in enzymatic assays and for the study of enzyme kinetics and mechanisms in biological systems.
- IUPAC
- 2-Hydroxy-5-nitrophenyl sulfate dipotassium salt monohydrate,2-Hydroxy-5-nitrophenyl sulfate,p-Nitrocatechol sulfate dipotassium salt
- Synonyms
- 2-Hydroxy-5-nitrophenyl sulfate dipotassium salt monohydrate2-Hydroxy-5-nitrophenyl sulfatep-Nitrocatechol sulfate dipotassium salt

Enzyme Substrate
This compound acts as a chromogenic substrate for the assay of arylsulfatase activity. Upon enzymatic hydrolysis, it releases a colored product, allowing for quantitative measurement of enzyme levels in biological samples.
Biochemical Research
It is utilised in biochemical laboratories for studying enzyme mechanisms, kinetics, and inhibition. Its specific reactivity with certain sulfatases makes it an important reagent for understanding metabolic pathways and enzyme function.
Chemical Synthesis
As an organic building block, it can be employed in the synthesis of more complex molecules in chemical research and development settings.
| Molecular weight | 311.35 |
|---|---|
| Linear formula | C6H3NO7SK2 |
| Form | crystalline |
| Colour | yellow |
| Storage temperature | −20°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 4-Nitrocatechol sulfate dipotassium salt used for?
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4-Nitrocatechol sulfate dipotassium salt is used as an enzyme substrate, particularly for arylsulfatases A and B, in biochemical research and enzymatic assays. It also serves as an organic building block in chemical synthesis.
What is the CAS number and chemical formula for 4-Nitrocatechol sulfate dipotassium salt?
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The CAS number is 14528-64-4, and the chemical formula is C6H3NO7SK2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Nitrocatechol sulfate dipotassium salt as a research-grade chemical. The exact purity assay is available on the Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations for handling 4-Nitrocatechol sulfate dipotassium salt?
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This compound is a Warning substance, classified with hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, should be used. Ensure adequate ventilation and handle in accordance with safety data sheet recommendations.
How is 4-Nitrocatechol sulfate dipotassium salt packaged, shipped, and exported?
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4-Nitrocatechol sulfate dipotassium salt is carefully packaged to maintain its integrity during transport. Tech Serve Solutions, a global supplier, expertly handles all aspects of international shipping and export to meet regulatory requirements.
How can I request a sample or quote for 4-Nitrocatechol sulfate dipotassium salt?
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To request a sample or a quote, please contact our sales team via the website or directly through the provided contact details. Our team will respond promptly to your inquiry.
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