Reactive Blue 2
Reactive Blue 2 (CAS: 12236-82-7), a complex anthraquinone derivative with the formula C29H17ClN7Na3O11S3 and a molecular weight of 840.10 g/mol, presents as a dark blue solid. It is primarily utilised as a biologically active small molecule in cell biology research. Its specific applications involve acting as an antagonist for purinergic receptors, particularly adenosine and P2 nucleotide receptors, playing a role in cell signaling and neuroscience research.
- IUPAC
- 1-Amino-4-[[4-[[4-chloro-6-[[3 (or 4)-sulfophenyl]amino]-1,3,5-triazin-2-yl]amino]-3-sulfophenyl]amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid,Basilen Blue E-3G,Cibacron Blue F3G-A,Cibacron Blue F3GA,GST Inhibitor-1,Procion® Blue H-B
- Synonyms
- Cibacron Blue F3G-ACibacron Blue F3GAProcion Blue H-BGST Inhibitor-1

Purinergic Receptor Antagonist
Reactive Blue 2 functions as an antagonist for various purinergic receptors, including adenosine and P2 nucleotide receptors (P2RY family). This makes it a valuable tool for studying receptor function in cellular processes.
Cell Signaling Research
Due to its interaction with purinergic signaling pathways, this compound is employed in research focused on cell signaling mechanisms. It aids in dissecting the complex cascades involved in cellular communication.
Neuroscience Investigations
The compound's role in modulating purinergic neurotransmission makes it relevant for neuroscience research. It can be used to investigate the function of these receptors in neuronal pathways and activity.
| Molecular weight | 840.10 |
|---|---|
| Empirical formula | C29H17ClN7Na3O11S3 |
| Colour | dark blue |
| Solubility | H2O: soluble |

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) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 61211 |
|---|
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 Reactive Blue 2 used for?
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Reactive Blue 2 is used as a research chemical, primarily as an antagonist for adenosine and P2 nucleotide receptors, aiding in studies of cell signaling and neuroscience.
What is the CAS number and formula for Reactive Blue 2?
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The CAS number for Reactive Blue 2 is 12236-82-7, and its empirical formula is C29H17ClN7Na3O11S3.
What grade and purity does Tech Serve Solutions supply for Reactive Blue 2?
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Tech Serve Solutions supplies Reactive Blue 2 as a research-grade chemical. We do not represent it as USP, BP, EP or pharmaceutical grade.
How should Reactive Blue 2 be handled safely?
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Reactive Blue 2 is classified as a warning substance. Handle with appropriate personal protective equipment including a dust mask (N95 US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation as it may cause skin, eye, and respiratory irritation (H315-H319-H335).
Is Reactive Blue 2 a controlled substance?
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Based on the provided data, Reactive Blue 2 is not indicated as a controlled substance.
How is Reactive Blue 2 packed, shipped, and exported?
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Reactive Blue 2 is carefully packed to ensure stability during transit and is available for export globally by Tech Serve Solutions.
How can I request a sample or quote for Reactive Blue 2?
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To request a sample or obtain a quote for Reactive Blue 2, please contact our sales team through the website or by phone.
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