2,6-Dichloroquinone-4-chloroimide
2,6-Dichloroquinone-4-chloroimide (CAS: 101-38-2), with the molecular formula C6H2Cl3NO and a molecular weight of 210.45 g/mol, is a chemical compound primarily utilised in staining procedures. It is recognised for its application in histology and cell biology, contributing to microscopic analysis through its role in dye and stain formulations. Stored at 2-8°C, this compound serves as a valuable reagent in research and diagnostic laboratories.
- IUPAC
- N,2,6-Trichloro-p-benzoquinoneimide,Gibb’s reagent
- Synonyms
- C6H2Cl3NON,2,6-Trichloro-p-benzoquinoneimideGibb’s reagent

Histological Staining
2,6-Dichloroquinone-4-chloroimide is employed as a reagent in histological staining techniques. It aids in the differential staining of tissues, facilitating clearer visualisation of cellular structures under microscopy.
Cell Biology Research
In cell biology, this compound is used in various staining protocols to identify and differentiate cellular components. Its properties make it a useful tool for researchers examining cell morphology and function.
Dye and Stain Formulations
As a component in dye and stain formulations, 2,6-Dichloroquinone-4-chloroimide contributes to the development of specialised reagents for laboratory use. It is often listed under A to Z stains and dyes.
| Molecular weight | 210.45 |
|---|---|
| Empirical formula | C6H2Cl3NO |
| Assay | ≥95% (TLC) |
| Storage temperature | 2-8°C |
| Melting point | 65-67 °C(lit.) |


Hazard statements
- H242Heating may cause a fire
- 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 | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3224A1 4.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 5-11-36/37/38 |
| Safety statements (S) | 15-26 |
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 2,6-Dichloroquinone-4-chloroimide used for?
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2,6-Dichloroquinone-4-chloroimide (CAS: 101-38-2) is primarily used as a reagent in histological and cell biology staining techniques, and as a component in dye and stain formulations.
What are the CAS number and formula for 2,6-Dichloroquinone-4-chloroimide?
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The CAS number for 2,6-Dichloroquinone-4-chloroimide is 101-38-2, and its empirical formula is C6H2Cl3NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,6-Dichloroquinone-4-chloroimide with an assay of ≥95% (TLC). This product is not represented as USP, BP, or EP grade.
How should 2,6-Dichloroquinone-4-chloroimide be handled safely?
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2,6-Dichloroquinone-4-chloroimide is a hazardous substance. It is flammable (H242), causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, must be used. Store away from heat and incompatible materials. Refer to the Safety Data Sheet for full details.
Is 2,6-Dichloroquinone-4-chloroimide a controlled substance?
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Based on the provided data, there is no indication that 2,6-Dichloroquinone-4-chloroimide is a controlled substance.
How is this product packed, shipped, and exported?
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As a global supplier, Tech Serve Solutions adheres to all relevant regulations for the packing, shipping, and export of chemicals like 2,6-Dichloroquinone-4-chloroimide, ensuring safe and compliant transit worldwide. Specific packaging details are available upon request.
How can I request a sample or quote for 2,6-Dichloroquinone-4-chloroimide?
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To request a sample or a quote for 2,6-Dichloroquinone-4-chloroimide, please contact our sales team via the website or direct email, providing your contact details and the quantity required.
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